Comparison

UEi HUB 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

UEi HUB

This app connects to specialized testing tools via Bluetooth to display real-time measurements. It calculates and presents key refrigerant, air, and vacuum parameters, allowing users to monitor critical system data and customize their view for efficiency.

Highlights
  • Bluetooth connectivity to HUB test kits
  • Real-time tool value display
  • Refrigerant, air, and vacuum parameter calculation
  • Superheat and Subcooling monitoring
  • Customizable refrigerant favorites list
  • Swipe interface for parameter views
  • Drag and drop connection process
Features
Read full description

UEi HUB is the companion app for all HUB test kits. Enable Bluetooth on your mobile device to read tool values from your HUB probes (WOT2, WPC1, WPC2, WPP1, WHP1, WVG2), WRS, COA2, DTHA2, Analyzer, EPC. In addition to measurement values HUB calculates and displays important refrigerant side, air side and vacuum parameters all in your preferred units. Monitor Superheat and Subcooling for any of the included refrigerants. Add refrigerants to your favorites list to quickly change between them on the refrigerant side display. Smoothly transition between vacuum, refrigerant side or air side values with a swipe of the display. With the simple drag and drop connection process, and ample wireless range HUB makes it easy to get the system information you need without being tied to a fixed location on the job site.

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

UEi HUB4 screens
Piper Inventory4 screens

Verdict

The call

The clearest difference is review sentiment: Piper Inventory at 100% against UEi HUB's 12%. Piper Inventory also leads on rating (4.2 vs 1.7). UEi HUB's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 6 months). On price, ratings volume, ads and device support 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. Piper Inventory sells 2 in-app purchases, starting at $22.00 per month. UEi HUB asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Piper Inventory holds the better App Store score, 4.2 against 1.7. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews point the same way: 12% of UEi HUB's written reviews are positive against 100% of Piper Inventory's.

UpkeepUpdate frequency

UEi HUB ships an update every 9 days, Piper Inventory every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
UEi HUB versus Piper Inventory: the parameters behind the verdict, then further details
ParameterUEi HUBPiper Inventory
PriceFreeFree
Rating1.7 (11 ratings)4.2 (5 ratings) — better
Positive reviews11.5% of reviews100.0% of reviews — better
Number of ratings11 — better5
Update frequencyEvery 9 days — betterEvery 6 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size108 MB17 MB
Age rating4+4+
DeveloperKane Asia Inc.Piper Diagnostics

Customer experience

UEi HUB

All ratings11 ratings
Positive18.2%
Neutral0.0%
Negative81.8%
Written reviews26 reviews
Positive11.5%
Neutral3.8%
Negative84.6%

Piper Inventory

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

In-app purchases

None

UEi HUB

No in-app purchases

2 purchases

Piper Inventory

Subscriptions2
  • Monthly$22.001 Month
  • Annual$199.001 Year

Questions

Is UEi HUB free?
UEi HUB is free to download, with no in-app purchases.
Is Piper Inventory free?
Piper Inventory is free to download, with in-app purchases available.
Which has better reviews, UEi HUB or Piper Inventory?
Piper Inventory is rated higher. UEi HUB averages 1.7 out of 5 from 11 ratings, while Piper Inventory averages 4.2 from 5 ratings.
Do UEi HUB or Piper Inventory have ads?
Neither UEi HUB nor Piper Inventory shows ads.
Which is updated more often, UEi HUB or Piper Inventory?
UEi HUB ships an update every 9 days, and Piper Inventory every 6 months. Most recently, UEi HUB was updated on November 2, 2026 and Piper Inventory on November 3, 2026.

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