# OpenRadiation vs TactiMate

The clearest difference is review sentiment: TactiMate at 100% against OpenRadiation's 0%. TactiMate also leads on rating (5.0 vs 2.0) and update cadence (every 4 days vs every 3 months). OpenRadiation's advantage is in-app purchases (none vs 5) and ratings volume (4 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TactiMate sells 5 one-off in-app purchases. OpenRadiation asks for nothing beyond the download.

TactiMate holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 0% of OpenRadiation's written reviews are positive against 100% of TactiMate's.

OpenRadiation ships an update every 3 months, TactiMate every 4 days. The most recent releases landed on June 1, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | OpenRadiation | TactiMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/openradiation/id1246249831/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tactimate/id6444539516/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Autorite de surete nucleaire et de radioprotection](https://appshunter.io/developer/1861431469) | [Anton Shishkin](https://appshunter.io/developer/1655194706) |

## What reviewers say

### OpenRadiation

[App page](https://appshunter.io/ios/app/openradiation/id1246249831)

Measure ambient radioactivity levels and assess your exposure to ionizing radiation using a compatible sensor. Contribute to a citizen science project by sharing your measurements to build a collaborative database.

**Highlights:** Measure radioactivity levels, Assess radiation exposure, Contribute to citizen science, Collaborative data database, Share measurements, View data online

**Features:** macOS Compatibility

**In-app purchases:** none


### TactiMate

[App page](https://appshunter.io/ios/app/tactimate/id6444539516)

An unofficial assistant for a historical tactical tabletop wargame. It helps track scenario progress and automates action roll calculations for a smoother learning and verification experience.

**Highlights:** Scenario progress tracking, Automated action roll calculations, Learning aid for wargames, Verification of game mechanics, Tactical tabletop game support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tips | $0.99 | one-time |
| Medium Tips | $4.99 | one-time |
| Big Tips | $9.99 | one-time |
| Starter Kit 2 Bundle | $19.99 | one-time |
| Huge Tips | $24.99 | one-time |


## Frequently asked questions

### Is OpenRadiation free?

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

### Is TactiMate free?

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

### Which has better reviews, OpenRadiation or TactiMate?

TactiMate is rated higher. OpenRadiation averages 2.0 out of 5 from 4 ratings, while TactiMate averages 5.0 from 1 ratings.

### Do OpenRadiation or TactiMate have ads?

Neither OpenRadiation nor TactiMate shows ads.

### Which is updated more often, OpenRadiation or TactiMate?

OpenRadiation ships an update every 3 months, and TactiMate every 4 days. Most recently, OpenRadiation was updated on June 1, 2026 and TactiMate on June 10, 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.*