Your technician arrives at a customer’s home to replace a water heater. But halfway through, they realize they’re missing a $10 fitting. Instead of finishing the job, they drive back to the supply house and reschedule.
The result?
What should have been a profitable visit turns into lost time, higher labor costs, and delayed revenue. Not to mention a frustrated customer.
That’s the kind of headache a plumbing inventory app and better inventory control are built to solve.
A plumbing inventory app is software designed to track parts, fittings, valves, and materials across trucks, warehouses, and jobsites. It replaces manual counts, spreadsheets, and guesswork with real-time visibility into what’s on hand and where.
This guide breaks down what a plumbing inventory app should do, the types available, and how to choose one that best fits how your business operates.
Core Features that Plumbing Inventory Apps Should Include
Not all inventory apps are built for the operational flow of plumbing businesses. The right one should go beyond a basic inventory count and handle real-time tracking across every truck and warehouse.
Core features to look for include:
Real-time stock tracking: Visibility into what’s on each truck and in each warehouse, updated as materials move.
Barcode or QR scanning: Fast check-in/check-out of parts without manual data entry, to reduce errors during busy days.
Automatic deduction on job completion: Materials used on a job are removed from stock automatically.
Low-stock alerts and reminders to reorder: Notifications before a critical part runs out.
Mobile access for field technicians: The ability to check stock or request materials from a jobsite.
Most businesses lose track of plumbing parts on trucks, rather than in the warehouse, since trucks are harder to audit and easy to overlook until a technician comes up short mid-job.
The features above solve that by making truck stock as visible as anything sitting on a shelf, which is where the different types of specialized plumbing inventory software start to diverge.
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Types of Plumbing Inventory Apps
Plumbing businesses generally choose between three approaches to inventory software. Each has different tradeoffs around cost, setup effort, and how well it connects to the rest of the business:
All-in-one field service platforms with inventory modules, like ServiceTitan, Zuper, and Workiz, build inventory tracking directly into their CRM, scheduling, dispatching, and invoicing, so material use ties back to specific jobs automatically.
Standalone inventory-only apps, like Sortly, focus purely on tracking stock and don’t connect to job or customer data. They are simpler but require manual work to tie inventory back to specific jobs.
No-code and custom-built solutions, such as tools like Softr, Jotform, and Adalo, let businesses build their own tracking system from scratch. They offer flexibility for unusual workflows, but they require more effort to set up and for ongoing maintenance.
The right choice depends on how tightly inventory needs to connect to the rest of your business operations or existing ERP, covered in more detail below.
All-in-one field service platforms with inventory modules
These platforms build inventory into the same system that runs scheduling, dispatching, payment processing, and invoicing, so material use ties directly to a job rather than a separate spreadsheet.
ServiceTitan
ServiceTitan calls this feature Purchasing & Inventory. It tracks stock across trucks and warehouse locations, deducts items automatically at job completion, and simplifies purchase order management, backed by more than 70 pre-built integrations.
Pros:
According to users on G2, ServiceTitan has the following pros and cons:
Inventory tracking keeps technicians from getting caught mid-job without the parts they need.
Lets users go as deep as they want and tailor it to fit the way they work.
With this tool, reviewers can efficiently track and manage both material and labor forces.
Cons:
Some users are concerned inventory is clunky and has some limitations.
Setup takes time, and there’s a learning curve before you can use it to its full potential.
Pricing: Custom pricing tailored to your business, following a free demo.
Best for: Growing or multi-location plumbing businesses that want inventory tied directly to job profitability.
Zuper
Zuper offers inventory and asset management, scheduling and dispatching, and real-time stock visibility by location, backed by 60+ integrations.
Pros:
Users on G2 found the following strengths and weaknesses:
Zuper is extremely user-friendly and easy to use.
Integrations and clear reporting give a complete view of your work.
Reviewers like that Zuper is completely customizable and can scale to every business need.
Cons:
While the inventory management tools are still growing, some users feel like they’re not at a satisfactory level yet.
The tool can feel a bit complex at first, taking longer than expected to implement or develop requested features.
Pricing: Custom pricing (with free demo).
Best for: Mid-market plumbing companies who need flexible, configurable workflows.
Workiz
Workiz tracks inventory across the office, warehouse, and service vehicles, with reorder points and usage reporting by job.
Pros:
Here’s what reviewers on G2 have to say about Workiz’ pros and cons:
The platform is user-friendly, and the UI is intuitive and easy to navigate.
Workiz provides great help and support, and its support team is usually quick to respond.
The mobile app lets technicians stay updated in real time and has built-in phone and communication tools to help businesses stay organized.
Cons:
Since it’s a growing tool, some features and functionalities, like reporting, are still evolving.
The tool can feel a bit overwhelming to new users due to the number of features.
Pricing: Custom pricing based on business size and features (a free trial is available).
Best for: Established operations that need scheduling, dispatching, inventory, and reporting bundled in one place.
Standalone inventory-only apps
These tools focus only on tracking stock and don’t connect to scheduling, dispatching, or invoicing. They are simpler to set up, but the inventory data has to be manually tied back to jobs and customers.
Sortly
Sortly tracks parts, tools, and equipment with photo-based item records, barcode scanning and QR codes, and offline mobile access.
Pros:
The following pros and cons are based on real user reviews:
Gives businesses the ability to organize inventory with QR codes and custom tags, making it easy to track.
The tool is very easy to use.
Some users find the notifications for each product helpful for restocking purposes.
Cons:
Reporting and custom fields are only available for top-tier plans.
It’s a little bit slow when doing searches.
Pricing:
Free plan available (one user, 100 items).
Advanced starts at $49/month
Ultra starts at $149/month
Premium starts at $299/month
Custom quote if you’re an enterprise
Best for: Small plumbing businesses that need simple, visual truck and warehouse tracking without a full field-service management platform.
inFlow
inFlow Inventory manages stock, purchase orders, and reordering across multiple locations, with barcode generation and label printing built in.
Pros:
Let’s see what users on G2 have to say:
Users appreciate that they can get the tool up and running quickly and find the setup and integration with existing workflows straightforward.
The reports are a huge help for many users as they help them plan inventory better.
The training and help from employees and their help pages are great.
Cons:
The number of sales orders is restricted by your subscription plan, and it can incur additional costs.
Sometimes, the mobile app feels slow or limited compared to the desktop version.
Pricing: Has four subscription plans for inFlow Inventory:
Entrepreneur: $161/month
Small Business: $436/month
Mid-size: $874/month
Enterprise: Custom quote
Best for: Plumbing businesses with a central warehouse managing supplier orders alongside stock.
EZO
EZOfficeInventory (now EZO) tracks tools and equipment across jobsites, with check-in/check-out and maintenance scheduling built in.
Pros:
The following advantages and disadvantages are taken from real user reviews on G2:
Offers asset tracking with detailed location history, assignments, check-in/check-out, and lifecycle management.
Even if you don’t have a background in inventory management, there are plenty of instructional videos to get you up to speed.
Has a high level of customization and a user-friendly interface.
Cons:
While it generally performs well, the search and filtering tools can be inconsistent at times.
The initial setup can take time if you’re migrating a large amount of data.
Pricing: Plans start at $48/month for 100 items and are scaled based on the number of items tracked and additional features.
Best for: Plumbing businesses that need to track expensive tools and equipment across crews, not just consumable materials.
No-code and custom-built inventory solutions
These platforms let businesses create a custom inventory tracker instead of using a pre-built app. This offers more flexibility for unusual workflows at the cost of longer setup time and ongoing maintenance.
Softr
Softr turns existing databases like Airtable, Google Sheets, or Notion into a working web app. Its website explicitly lists inventory management systems as a common use case.
Pros:
The following pros and cons are based on real user reviews:
As a no-code tool, Softr is highly approachable: the page builder is intuitive, and the blocks are clearly labeled.
Even if there’s a bit of a learning curve, the video courses and tutorials are very helpful.
It’s highly customizable, allowing you to tailor solutions to each client’s needs.
Cons:
A few features are missing, such as range filters, drag-and-drop file upload fields, etc.
Some reviewers feel that the tool is too expensive.
Pricing:
Free plan available.
Basic: $59/month
Professional: $167/month
Business: $323/month
Enterprise: Custom
Best for: Businesses that already track inventory in Airtable or Google Sheets and want a usable front-end without hiring a developer.
Jotform
Jotform offers ready-made inventory app templates with barcode and QR scanning, check-in/check-out, and maintenance tracking built in through Jotform Tables and Apps.
Pros:
Users on G2 have this to say about Jotform:
Jotform is easy to use; the layout is simple and intuitive.
The new AI feature is useful for generating forms and refining questions.
Has a large number of ready-to-use templates for different use cases.
Cons:
It isn’t very clear how to use the platform’s features.
Many users complained that the pricing tiers feel restrictive for teams with high submission volumes.
Pricing:
Free plan available.
Bronze: $39/month
Silver: $49/month
Gold: $129/month
Enterprise: Custom price
Best for: Businesses that need a quick-start inventory app without building the structure themselves.
Adalo
Adalo builds native iOS and Android apps, not just web apps, publishing from a single project to both app stores.
Pros:
The user reviews for this app are slightly limited, but we found the following pros and cons compared to the other tools on this list:
It’s a great, easy-to-learn no-code builder and has a great community.
Adalo has many templates you can easily customize and get started with.
Integration with other software is easy because it's based on a full API.
Cons:
Adalo’s pricing model feels complex to some users, and it gets expensive if you want to publish multiple apps.
There is room for improvement with developer support.
Pricing:
Free plan available.
Starter: $45/month
Professional: $65/month
Team: $200/month
Best for: Businesses that need a dedicated mobile app for technicians and are willing to invest time building it.
These tools require the most setup effort of the three types covered, which raises the question: is that tradeoff worth it for a plumbing business, or does it make more sense to choose a pre-built option instead?
Choosing the Right Plumbing Inventory App
The right inventory app isn’t necessarily the one with the most features. It’s the one that best fits your business needs.
Start with how inventory connects to your jobs. If material use ties directly to job costing and invoicing, an all-in-one platform saves you the manual work of matching stock to jobs after the fact. If you just need visibility into what’s on hand, a standalone app may be enough.
Consider your team’s workflow next. Technicians in the field won’t consistently use a tool that is difficult to learn, no matter how capable it is on paper.
Lastly, weigh setup time against your timeline: no-code solutions offer flexibility, but building and maintaining a custom system takes time most plumbing businesses don’t have to spare.
Once you know what fits, the next step is seeing how a dedicated field service platform handles inventory in practice.
How ServiceTitan’s Plumbing Inventory App Works
ServiceTitan’s Purchasing & Inventory feature tracks stock movement down to a granular level, from requisitions and replenishments to purchase orders and adjustments. Any pricebook item marked as an inventory item is tracked automatically in real time.
Real-time stock visibility by location
The Item Overview screen shows quantity on hand, on hold, and on order for each item, along with average cost and total inventory value.
Contractors can also set minimum and maximum stock levels by location, whether that’s a specific truck, warehouse, or office. This way, a multi-truck shop can manage each vehicle’s stock independently.
Automatic replenishment and purchase orders
As technicians add parts to invoices through the mobile app, inventory levels update automatically. When an item drops below its minimum threshold, it’s flagged for replenishment.
Contractors can replenish from a vendor or an internal warehouse, and low-stock items can be turned into purchase orders in a few clicks, sent as PDFs or spreadsheets, or marked as called in manually.
Businesses on ServiceTitan’s Procure-to-Pay upgrade can have purchase orders sent to vendors automatically, with real-time pricing and availability.
Order tracking and receiving
Every purchase order stays tracked through ‘pending,’ ‘sent,’ and ‘received’ statuses, with an aging view that flags orders sitting too long without movement.
Once a shipment arrives, receipts attach directly to the purchase order, and bills generate automatically, including an option to update the pricebook if item costs change.
Adjustments and inventory counts
Physical counts don’t always match digital records. ServiceTitan’s Adjustments view corrects item location, quantity, or serial number, while Cycle Counts (built for service vans) and Full Inventory Counts (for warehouses) can be logged manually or uploaded in bulk from a spreadsheet.
These features connect inventory directly to the pricebook, invoicing, and accounting (with, for example, QuickBooks integration) so office staff and technicians are working from the same numbers instead of reconciling separate systems.
Biggest Risks and Limitations of Plumbing Inventory Apps
No inventory app fully replaces good habits in the field, and some limitations apply no matter which tool a business chooses:
Data only stays accurate if it's part of the workflow: If logging parts used on a job isn’t a required step, technicians will skip it under time pressure, and digital counts quietly drift from what’s on the truck.
Choosing the wrong type of app for your business: A standalone tool that seems simpler upfront can become a bottleneck once a business grows past a few trucks and needs inventory tied to job costing and invoicing.
Upfront setup takes time: Cataloging parts and fixtures, setting reorder minimums, and assigning items to locations has to happen before any app delivers accurate data, and skipping this step undermines everything built on top of it.
Apps track data, not physical stock: Software can flag a discrepancy between recorded and actual inventory, but it can’t prevent theft, damage, or a technician grabbing the wrong part off a shelf.
So the software matters, but so does making inventory tracking part of your staff’s daily routine and picking the tool that best fits your business.
Over to You!
If your inventory needs to stay in sync with scheduling, purchasing, invoicing, and accounting, an all-in-one platform can eliminate the manual work and disconnected systems that slow your team down.
With ServiceTitan, inventory is connected to every stage of the job. Parts are automatically deducted as they’re used, low-stock levels can trigger purchase orders, and every material cost flows into your job costing and reporting.
Ready to simplify inventory management? Book a demo to see how ServiceTitan fits your business.
ServiceTitan is a tool that gives plumbing businesses greater control over their inventory. Discover how the platform helps plumbing contractors streamline inventory, reduce manual work, and make smarter business decisions.
Frequently Asked Questions (FAQs)
Can a plumbing inventory app work offline in the field?
Some apps support full offline access, syncing once a connection returns. Others cache recent data for spotty connections without full offline functionality.
If technicians frequently work in areas with poor signal, it’s best to confirm offline support before choosing an app.
How much do plumbing inventory apps typically cost?
Standalone apps range from $50-$150 a month, often with free plans available, depending on features and user count. No-code builders start around $40 a month.
All-in-one field service platforms like ServiceTitan, Zuper, and Workiz typically use custom pricing based on business size, so it’s best to request a demo call to get an accurate quote.
How does a plumbing inventory app reduce costs and increase profit?
Accurate inventory tracking cuts costs mainly by reducing return trips for missing parts, avoiding emergency purchases at retail prices, and preventing overstocking that ties up cash.
Tying material use to specific jobs also improves job costing accuracy, so pricing reflects real material costs instead of estimates.
How is AI changing plumbing inventory management?
AI is increasingly used to predict reorder needs based on historical usage patterns, flag unusual stock discrepancies that may signal loss or miscounts, and forecast seasonal demand for specific parts.
These tools are still emerging in trades-focused software, and most plumbing businesses today rely on rule-based alerts rather than predictive AI.
ServiceTitan Plumbing Software
ServiceTitan is a comprehensive plumbing business software solution built specifically to help service companies streamline their operations, boost revenue, and achieve growth. Our award-winning, cloud-based platform is trusted by more than 100,000+ contractors across the country.
