---
title: "Reverse Flow: Fire Hydraulics - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "The ultimate Fireground Hydraulics app!  Constantly evolving and improving features.   Currently includes:  - Generous Suite of calculators - Friction Loss and Pump chart generators - Reference Materi"
---

# Reverse Flow: Fire Hydraulics — United States

![Reverse Flow App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/fa/e9/ff/fae9ffdd-2f30-0f43-3d35-25c016963a89/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [DEREK ANDREW MURDOCK](https://apptail.io/developer/derek-andrew-murdock-hPsBtc)
**Category:** Utilities
**Rating:** 5.0/5 (5 ratings)
**Price:** Free
**Bundle ID:** app.reverseflow.mobile
**Store:** Apple App Store
**Country:** United States
**Version:** 2.4.1 (released 2026-11-06)
**Original Release:** 2026-06-04
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6775030535)
**AppTail Page:** [https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/united-states](https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/united-states)

## Reverse Flow Description
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
- Pump operator classes

Completely Free | No Purchase Required | Supported by the Reverse Flow Community

Privacy Policy: 

Terms of Use: 

## Reverse Flow Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/9a/f4/a1/9af4a1a2-cd21-8016-3d6f-a278541b34e8/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.04.22.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/38/ab/52/38ab5245-8bbd-0ffe-d08b-72f171ca56bc/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.05.17.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d4/1d/a5/d41da525-254d-0ad4-4679-735f8a058502/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.06.19.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/07/4a/3e/074a3e8d-603a-7c34-11e0-177078aed3d6/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.05.47.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e4/d2/64/e4d264fe-f9ef-4596-9466-39af4f8db95f/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.04.41.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a6/51/95/a6519565-e39b-ea32-6e4a-533142e9caeb/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.06.26.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3f/12/d4/3f12d434-35e3-233b-eb02-f85d652ab46e/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.06.31.png/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/34/cc/5e/34cc5ed6-2649-1567-64cd-8d723b982fba/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.06.02.png/1284x2778.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8a/5a/4e/8a5a4ed4-009f-c633-4c44-829ba83801b1/Simulator_Screenshot_-_iPhone_13_Pro_Max_-_2026-07-25_at_11.04.56.png/1284x2778.png)

## Reverse Flow Rating Breakdown in United States
- 5 stars: 5 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## Reverse Flow In-App Purchases
| Item | Price |
|------|-------|
| Reverse Flow Pro | $4.99 |
| Reverse Flow Monthly Support $3 | $2.99 |
| Reverse Flow Monthly Support $10 | $9.99 |
| Reverse Flow One-Time Support $5 | $4.99 |



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## Reverse Flow Available In
- [United States](https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/united-states)
- [Australia](https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/australia)
- [Canada](https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/canada)
- [Ecuador](https://apptail.io/app/reverse-flow-fire-hydraulics-oOOA/ecuador)

---

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