SHO vs Reverse Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SHO
This app assists firefighters in calculating water flow rates, pump discharge pressures, and nozzle reactions. It can be used with a Bluetooth flow meter or as a standalone calculator with established fire flow formulas. Educational videos on water flow are also included.
- Calculate fire hose flow rates
- Determine pump discharge pressures
- Calculate nozzle reaction
- Perform NFPA 1962 nozzle flow tests
- Standalone water flow calculator
- Water flow education videos
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The SHO-FLOW app is a dual featured application that can be used with or without a TFT SHO-FLOW® Bluetooth® flow meter. When used in conjunction with a SHO-FLOW, users can determine actual flow rates for fire hose lines and nozzles as well as calculate true Pump Discharge Pressures (PDP), Nozzle Reaction, and Hose Friction. In addition an NFPA 1962 nozzle flow test can be performed. As a stand-alone water flow calculator, many of these functions can be performed using established fire flow formulas. The app also includes water flow education videos and recommendations for target fire flows when using water or foam. The TFT SHO-FLOW flow meter is designed to quickly determine flow rates present in a fire hose line and wirelessly transmit the rate to a nearby smart device. Any firefighting, training, or testing operation that utilizes hose lines or nozzles is a potential application. Please read the manual before operation. The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Task Force Tips, LLC is under license.
Reverse Flow
This professional fireground hydraulics platform assists firefighters and pump operators in calculating complex flow rates, pump discharge pressures, and relay pumping requirements. It supports various nozzle types and allows for custom hose coefficients and elevation adjustments for accurate operational planning and decision support.
- Reverse Flow calculations
- Required PDP calculations
- Relay Pumping calculations
- Split Lay analysis
- Pump Chart storage
- Nozzle support
- Custom hose coefficients
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The ultimate Fireground Hydraulics app! Constantly evolving and improving features. Currently includes: - Generous Suite of calculators - Friction Loss and Pump chart generators - Reference Materials - IOS Widgets Completely Free | No Purchase Required | Supported by the Reverse Flow Community Privacy Policy: https://reverse-flow.app/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Reverse Flow at 5.0 against SHO's 4.2. Reverse Flow also leads on update cadence (weekly vs every 2 months). SHO's advantage is in-app purchases (none vs 4). On price, ratings volume, ads 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
Both are free to download. Reverse Flow sells 4 in-app purchases, starting at $2.99 per month. SHO asks for nothing beyond the download.
Reverse Flow holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 12 and 5 respectively.
SHO ships an update every 2 months, Reverse Flow weekly. The most recent releases landed on June 2, 2026 and September 14, 2026 respectively.
| Parameter | SHO | Reverse Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (12 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 12 — better | 5 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 145 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Task Force Tips | DEREK ANDREW MURDOCK |
Customer experience
SHO
Reverse Flow
In-app purchases
SHO
No in-app purchases
Reverse Flow
- Reverse Flow Monthly Support $3$2.991 Month
- Reverse Flow Monthly Support $10$9.991 Month
- Reverse Flow One-Time Support $5$4.99
- Reverse Flow Pro$4.99
