# Hose Record Vault vs Reverse Flow

The clearest difference is in-app purchases: Hose Record Vault at none against Reverse Flow's 4. Hose Record Vault also leads on iOS requirement (13.4 vs 15.0). Reverse Flow's advantage is update cadence (weekly vs every 26 months). On price, ads and device support there is nothing between them.

Both are free to download. Reverse Flow sells 4 in-app purchases, starting at $2.99 per month. Hose Record Vault asks for nothing beyond the download.

Hose Record Vault ships an update every 26 months, Reverse Flow weekly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hose Record Vault | Reverse Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/reverse-flow-fire-hydraulics/id6775030535/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Weekly** |
| Monetization | — | Free |
| Size | 37 MB | 8 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AAH Acquisition LLC](https://appshunter.io/developer/1499142831) | [DEREK ANDREW MURDOCK](https://appshunter.io/developer/6775030537) |

## What reviewers say

### Hose Record Vault

[App page](https://appshunter.io/ios/app/hose-record-vault/id1499142832)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reverse Flow

[App page](https://appshunter.io/ios/app/reverse-flow-fire-hydraulics/id6775030535)

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.

**Highlights:** Reverse Flow calculations, Required PDP calculations, Relay Pumping calculations, Split Lay analysis, Pump Chart storage, Nozzle support, Custom hose coefficients

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reverse Flow Monthly Support $3 | $2.99 | per month |
| Reverse Flow Monthly Support $10 | $9.99 | per month |
| Reverse Flow One-Time Support $5 | $4.99 | one-time |
| Reverse Flow Pro | $4.99 | one-time |


## Frequently asked questions

### Is Hose Record Vault free?

Hose Record Vault is free to download, with no in-app purchases.

### Is Reverse Flow free?

Reverse Flow is free to download, with in-app purchases available.

### Do Hose Record Vault or Reverse Flow have ads?

Neither Hose Record Vault nor Reverse Flow shows ads.

### Which is updated more often, Hose Record Vault or Reverse Flow?

Hose Record Vault ships an update every 26 months, and Reverse Flow weekly. Most recently, Hose Record Vault was updated on October 27, 2026 and Reverse Flow on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*