Comparison

Code Snap vs Piper Inventory

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Code Snap

Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.

Highlights
  • UPC & IPC code tables
  • Water line sizing calculator
  • DWV & H2O fitting take-offs
  • Interactive results
  • Color-coded data
  • Field-optimized interface
  • Share code and take-off values
Features
Read full description

An all-in-one plumbing reference built for professionals who need fast, reliable code data on the job. Code Snap combines UPC & IPC tables, fitting take-offs, and water line sizing into a single streamlined app designed for real-world use in the field. Quickly access the plumbing data you rely on without digging through books or PDFs. Whether you’re sizing pipe, laying out a system, or verifying clearances, Code Snap provides practical, jobsite-ready reference you can trust. Subscriptions Code Snap offers multiple subscription options, including individual feature access or a single subscription that unlocks all tools. Available options include: • UPC & IPC – Core plumbing tables, data, and code references • Main Line – UPC & IPC water line sizing calculator • Fitting Take Off – DWV & H2O fitting take-off dimensions • Unlock All – Access to all Code Snap features A subscription is required to unlock full access to app content. Features • Quick access to core plumbing tables • Toggle instantly between UPC & IPC • Water main and branch sizing calculations • DWV and H2O fitting take-offs • Interactive instant results • Color-coded per national standards • Editable take-off values • One-handed, field-optimized interface • Share code and take off values What’s Included • Waste, water, and hot water tank sizing • Grease interceptor sizing • Meter, main, vent, and trap arm sizing • Pipe bracing requirements • Fuel gas BTU loads and pipe sizing • Medical gas sizing, codes, and pressures (UPC only) • Roof drain sizing (UPC only) • ADA restroom diagrams and requirements • Interactive wet venting diagrams (vertical and horizontal) Fitting Libraries • No-Hub Cast Iron • ABS & PVC Plastic • Pro-Press Copper • DWV Sweat fittings • H2O Sweat fittings • 90s, 45s, tees, flanges, wyes, combination fittings, fixture crosses, and more Important Note Code Snap is an independent reference tool created for plumbers and plumbing professionals, based on publicly available data and established code principles. It is not affiliated with or endorsed by IAPMO, ICC, or any regulatory authority. Always verify requirements with the Authority Having Jurisdiction (AHJ) for your project. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Piper Inventory

Manage your warehouse or mobile workstation inventory on the go. Easily add items, set minimum quantities, and use a Bluetooth barcode scanner to track stock. Syncs between devices for collaboration and generates restock lists.

Highlights
  • On-the-go inventory management
  • Bluetooth barcode scanner support
  • Set minimum stock quantities
  • Restock list generation
  • Inventory history tracking
  • Multi-location account management
  • Spreadsheet upload for setup
Features
Read full description

Disclaimer: Piper Inventory requires a single in-app subscription to be used. There are no additional subscriptions or payments within the app to unlock specific features. Once you pay for a subscription to access Piper Inventory, you will be able to use all it's features. EASILY AND QUICKLY MANAGE INVENTORY ON-THE-GO Easily manage inventory for your warehouse or mobile workstation with a standard bluetooth barcode scanner and never be caught without the items you need. Piper Inventory is an easy-to-use app that allows you to add items you’d like to keep stocked in your inventory, set a minimum quantity to keep on hand, and then use a bluetooth barcode scanner to easily remove items from your inventory as they’re used. Restock - will act as your ‘shopping list’ to keep everything stocked Inventory - is where you can add and remove items or change the minimum quantity History - allows you to see what’s being used and what isn’t - so you can eliminate unused stock Account - is where you can change your Hub if you are managing multiple inventory locations HOW IT WORKS The Piper Inventory app requires a little bit of setup on the front end, so that on a daily basis it requires nearly no time at all to use. *Setup* You can either enter items and their UPC numbers directly in the app or simply upload a spreadsheet of your inventory to the online Admin Portal. *Barcodes* You can print off barcodes with randomly generated UPC numbers from our website or directly use the barcode on an item’s packaging! *On The Job* simply scan an item’s barcode to remove it from current inventory, no taps or clicks required! When you’re ready, use the ‘Restock’ page to review needed inventory. Your inventory and restocking needs will be synced between devices to make collaboration easy. WHERE DID IT COME FROM? Piper Inventory was developed when we discovered a need for simple and robust inventory management software to use in our plumbing vans. There’s nothing more frustrating than showing up for a job and finding you don’t have some small part you could have easily brought! With Piper Inventory and a well structured van build-out, we rarely find ourselves without the needed parts or tools, and it is effortless to use. If this setup sounds like it could help you, visit Piper Vans to find out how a trade-optimized van build-out could save you time and money but most importantly on-the-job frustration! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Code Snap4 screens
Piper Inventory4 screens

Verdict

The call

The clearest difference is rating: Code Snap at 4.7 against Piper Inventory's 3.7. Code Snap also leads on ratings volume (231 vs 3) and update cadence (every 2 months vs every 6 months). Piper Inventory's advantage is review sentiment (100% vs 87%) and iOS requirement (14.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Code Snap sells 12 in-app purchases, starting at $0.99 per month and Piper Inventory sells 2 in-app purchases, starting at $22.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Code Snap holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Code Snap has 231 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 87% of Code Snap's written reviews are positive against 100% of Piper Inventory's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Code Snap ships an update every 2 months, Piper Inventory every 6 months. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level
Code Snap versus Piper Inventory: the parameters behind the verdict, then further details
ParameterCode SnapPiper Inventory
PriceFreeFree
Rating4.7 (231 ratings) — better3.7 (3 ratings)
Positive reviews86.7% of reviews100.0% of reviews — better
Number of ratings231 — better3
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.014.0 — better
Further details — not scored
Size77 MB17 MB
Age rating4+4+
DeveloperMagnitude LLCPiper Diagnostics LLC

Customer experience

Code Snap

All ratings231 ratings
Positive93.5%
Neutral2.2%
Negative4.3%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

Piper Inventory

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

12 purchases

Code Snap

Subscriptions12
  • Monthly Access$0.991 Month
  • Monthly Access$2.991 Month
  • Main Line Sizing$8.991 Year
Show 9 more
  • Monthly Access2 variants$9.991 Month
  • Main Line Sizing$9.991 Year
  • UPC / IPC Tables$14.991 Year
  • Monthly Access2 variants$14.991 Month
  • Fitting Take Offs$14.991 Year
  • UPC / IPC Tables$19.991 Year
  • Fitting Take Offs$19.991 Year
  • All Plumbing Tools$29.991 Year
  • All Plumbing Tools$39.991 Year
2 purchases

Piper Inventory

Subscriptions2
  • Monthly$22.001 Month
  • Annual$199.001 Year

Questions

Is Code Snap free?
Code Snap is free to download, with in-app purchases available.
Is Piper Inventory free?
Piper Inventory is free to download, with in-app purchases available.
Which has better reviews, Code Snap or Piper Inventory?
Code Snap is rated higher. Code Snap averages 4.7 out of 5 from 231 ratings, while Piper Inventory averages 3.7 from 3 ratings.
Do Code Snap or Piper Inventory have ads?
Neither Code Snap nor Piper Inventory shows ads.
Which is updated more often, Code Snap or Piper Inventory?
Code Snap ships an update every 2 months, and Piper Inventory every 6 months. Most recently, Code Snap was updated on September 26, 2026 and Piper Inventory on September 16, 2026.

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