# SHO vs Smart Gauges

The clearest difference is update cadence: Smart Gauges at every 2 days against SHO's every 2 months. Smart Gauges also leads on iOS requirement (12.0 vs 14.2). On price, ads, in-app purchases and device support 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, Smart Gauges every 2 days. The most recent releases landed on June 2, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | SHO | Smart Gauges |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (12 ratings)](https://appshunter.io/ios/app/sho-flow/id1447418345/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 145 MB | 23 MB |
| Requires iOS | 14.2 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Task Force Tips](https://appshunter.io/developer/1447418344) | [冉 陶](https://appshunter.io/developer/1762542829) |

## 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


### Smart Gauges

[App page](https://appshunter.io/ios/app/smart-gauges/id6654921138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SHO free?

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

### Is Smart Gauges free?

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

### Do SHO or Smart Gauges have ads?

Neither SHO nor Smart Gauges shows ads.

### Which is updated more often, SHO or Smart Gauges?

SHO ships an update every 2 months, and Smart Gauges every 2 days. Most recently, SHO was updated on June 2, 2026 and Smart Gauges on May 17, 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.*