# SHO vs IPSDI Exposure Tracker

The clearest difference is review sentiment: IPSDI Exposure Tracker at 55% against SHO's 0%. IPSDI Exposure Tracker also leads on rating (4.9 vs 3.9) and update cadence (every 8 days vs every 2 months). SHO's advantage is iOS requirement (14.2 vs 16.0). On price, ratings volume, 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.

IPSDI Exposure Tracker holds the better App Store score, 4.9 against 3.9. Both are backed by a comparable volume of ratings — 13 and 38 respectively. Written reviews point the same way: 0% of SHO's written reviews are positive against 55% of IPSDI Exposure Tracker's.

SHO ships an update every 2 months, IPSDI Exposure Tracker every 8 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | SHO | IPSDI Exposure Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (13 ratings)](https://appshunter.io/ios/app/sho-flow/id1447418345/reviews) | **[4.9 (38 ratings)](https://appshunter.io/ios/app/ipsdi-exposure-tracker/id1457260349/reviews)** |
| Number of ratings | 13 | **38** |
| Positive reviews | 0.0% of reviews | **55.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 145 MB | 14 MB |
| Requires iOS | **14.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Task Force Tips](https://appshunter.io/developer/1447418344) | [International Public Safety Data Institute](https://appshunter.io/developer/1457260348) |

## 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


### IPSDI Exposure Tracker

[App page](https://appshunter.io/ios/app/ipsdi-exposure-tracker/id1457260349)

This app helps firefighters meticulously record and track personal exposures encountered during their duties. It offers a streamlined interface for documenting incidents, ensuring a reliable record for future reference. Developed by a public safety data science organization, it aims to enhance firefighter safety through data documentation.

**Highlights:** Track individual exposures, Record incident details, Maintain a personal exposure log, Simplified modern interface, Developed by public safety experts

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

**In-app purchases:** none


## Frequently asked questions

### Is SHO free?

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

### Is IPSDI Exposure Tracker free?

IPSDI Exposure Tracker is free to download, with no in-app purchases.

### Which has better reviews, SHO or IPSDI Exposure Tracker?

IPSDI Exposure Tracker is rated higher. SHO averages 3.9 out of 5 from 13 ratings, while IPSDI Exposure Tracker averages 4.9 from 38 ratings.

### Do SHO or IPSDI Exposure Tracker have ads?

Neither SHO nor IPSDI Exposure Tracker shows ads.

### Which is updated more often, SHO or IPSDI Exposure Tracker?

SHO ships an update every 2 months, and IPSDI Exposure Tracker every 8 days. Most recently, SHO was updated on November 2, 2026 and IPSDI Exposure Tracker on November 6, 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.*