IAPMO Codes vs Backflow Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IAPMO Codes
Access and manage your purchased IAPMO codes, including the UPC, UMC, and others. Make annotations, record voice notes, and view content offline. Stay informed with code errata, committee information, and breaking news.
- View purchased IAPMO codes
- Offline access
- Make annotations
- Voice recordings
- Access code errata
- View development timeline
- Direct access to engineering staff
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View your purchased IAPMO codes such as the UPC, UMC, USHGC, USPSHTC, WEStand and NSPC. Make annotations, voice recordings or view offline while heading to your next meeting. Have access to code errata, apply to committees, see the current timeline, be informed of the process and be notified for any breaking news. Get full access to all codes development related information. You will also have direct access to the engineering staff and support staff for any questions on the codes or the process.
Backflow Buddy
This app simulates backflow prevention devices and their testing procedures. It offers customizable water pressure simulations and quizzes to prepare users for certification exams.
- RPZ and Test Gauge simulation
- Double Check and Test Gauge simulation
- Customizable internal water pressure
- Differential pressure gauge simulation
- Quiz preparation with multiple lengths
- Randomized industry-expert questions
- Comprehensive quiz results
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Backflow Buddy was designed to be a teaching tool for instructors and a learning tool for anyone interested in back flow prevention assemblies and how they are tested. Features include: - Simulation of RPZ and Test Gauge - Simulation of Double Check and Test Gauge Imagine seeing what is happening inside a backflow device as water moves through it. The water pressure in different portions of the device is fully customizable, allowing users to simulate a failing check valve or even back siphonage. Simulators include working accurate differential pressure gauges that can be hooked up to the devices. -Quiz Prep Prepare yourself for upcoming exams. With three quiz length options, you can test your self on a variety of backflow subjects. Questions created by industry leaders and educators. Randomized questions with comprehensive results at the end of each quiz, to help see what you're missing.
Screenshots
Verdict
IAPMO Codes and Backflow Buddy both sit at 3.8 stars, but that hides the real split: 50% of Backflow Buddy's written reviews are positive against 0% of IAPMO Codes's. Backflow Buddy also leads on update cadence (fortnightly vs every 7 months) and iOS requirement (12.0 vs 15.0). IAPMO Codes's advantage is price (Free vs $1.99) and ads (none vs shown). On rating, ratings volume, in-app purchases 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
IAPMO Codes is free to download; Backflow Buddy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.8 for IAPMO Codes against 3.7 for Backflow Buddy. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 0% of IAPMO Codes's written reviews are positive against 50% of Backflow Buddy's.
IAPMO Codes ships an update every 7 months, Backflow Buddy fortnightly. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.
| Parameter | IAPMO Codes | Backflow Buddy |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.8 (6 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 258 MB |
| Age rating | 4+ | 17+ |
| Developer | IAPMO | Greg Phillips |
Customer experience
IAPMO Codes
Backflow Buddy
In-app purchases
IAPMO Codes
No in-app purchases
Backflow Buddy
No in-app purchases
Questions
Is IAPMO Codes free?
Is Backflow Buddy free?
Which has better reviews, IAPMO Codes or Backflow Buddy?
Do IAPMO Codes or Backflow Buddy have ads?
Which is updated more often, IAPMO Codes or Backflow Buddy?
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