# SHO vs Sinirji Unit 911

The clearest difference is update cadence: Sinirji Unit 911 at fortnightly against SHO's every 2 months. Sinirji Unit 911 also leads on iOS requirement (10.0 vs 14.2). SHO's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SHO ships an update every 2 months, Sinirji Unit 911 fortnightly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SHO | Sinirji Unit 911 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (13 ratings)](https://appshunter.io/ios/app/sho-flow/id1447418345/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 145 MB | 35 MB |
| Requires iOS | 14.2 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Task Force Tips](https://appshunter.io/developer/1447418344) | [Symposium Technologies Inc](https://appshunter.io/developer/1317597548) |

## What reviewers say

### SHO

[App page](https://appshunter.io/ios/app/sho-flow/id1447418345)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Sinirji Unit 911

[App page](https://appshunter.io/ios/app/sinirji-unit-911/id1523182646)

**In-app purchases:** none


## Frequently asked questions

### Is SHO free?

SHO is free to download, with no in-app purchases.

### Is Sinirji Unit 911 free?

Sinirji Unit 911 is free to download, with no in-app purchases.

### Do SHO or Sinirji Unit 911 have ads?

Neither SHO nor Sinirji Unit 911 shows ads.

### Which is updated more often, SHO or Sinirji Unit 911?

SHO ships an update every 2 months, and Sinirji Unit 911 fortnightly. Most recently, SHO was updated on November 2, 2026 and Sinirji Unit 911 on November 7, 2026.

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