# REXFFA vs RadMap

The clearest difference is ads: REXFFA at none against RadMap's shown. REXFFA also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, 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.

REXFFA ships an update fortnightly, RadMap every 9 days. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | REXFFA | RadMap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 26 MB | 24 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REXFFA](https://appshunter.io/developer/1759373244) | [Byung Kwon Jeon](https://appshunter.io/developer/945226607) |

## What reviewers say

### REXFFA

[App page](https://appshunter.io/ios/app/rexffa/id6575384929)

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

**In-app purchases:** none


### RadMap

[App page](https://appshunter.io/ios/app/radmap-radiation-map/id6800562465)

**In-app purchases:** none


## Frequently asked questions

### Is REXFFA free?

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

### Is RadMap free?

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

### Do REXFFA or RadMap have ads?

RadMap shows ads; REXFFA does not.

### Which is updated more often, REXFFA or RadMap?

REXFFA ships an update fortnightly, and RadMap every 9 days. Most recently, REXFFA was updated on October 2, 2026 and RadMap on October 9, 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.*