Backflow Buddy vs Living Stone Kirk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Living Stone Kirk
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This app supplies you with resources and information regarding the ministry of Living Stone Reformed Church and Pastor Ben Zornes. You'll have access to sermons, talks, musical resources, and event info. This is also the easiest way to support our ministry financially. Mobile app version: 6.21.3
Screenshots
Verdict
The clearest difference is price: Living Stone Kirk at Free against Backflow Buddy's $1.99. Living Stone Kirk also leads on ads (none vs shown). Backflow Buddy's advantage is update cadence (fortnightly vs every 5 months) and iOS requirement (12.0 vs 15.1). On 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
Living Stone Kirk is free to download; Backflow Buddy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Backflow Buddy ships an update fortnightly, Living Stone Kirk every 5 months. The most recent releases landed on November 8, 2026 and October 25, 2026 respectively.
| Parameter | Backflow Buddy | Living Stone Kirk |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 258 MB | 53 MB |
| Age rating | 17+ | 4+ |
| Developer | Greg Phillips | Living Stone Reformed Church |
In-app purchases
Backflow Buddy
No in-app purchases
Living Stone Kirk
No in-app purchases
Questions
Is Backflow Buddy free?
Is Living Stone Kirk free?
Do Backflow Buddy or Living Stone Kirk have ads?
Which is updated more often, Backflow Buddy or Living Stone Kirk?
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