# RadexReadMap vs RAYSID

RadexReadMap and RAYSID are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | RadexReadMap | RAYSID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/raysid/id6763330523/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 62 MB | 145 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) | [Isai Olvera](https://appshunter.io/developer/1895267343) |

## What reviewers say

### RadexReadMap

[App page](https://appshunter.io/ios/app/radexreadmap/id6741061963)

**Features:** macOS Compatibility

**In-app purchases:** none


### RAYSID

[App page](https://appshunter.io/ios/app/raysid/id6763330523)

This app connects to a RAYSID gamma spectrometer via Bluetooth to display real-time radiation data. It offers detailed spectrum analysis, automatic isotope identification, and customizable device alarms. Data is stored locally on your phone.

**Highlights:** Real-time count rate and dose rate, Automatic isotope identification, High-resolution spectrum analysis, Device threshold alarms with notifications, Export spectrum data to N42 file, Phone-side Geiger clicks

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

**In-app purchases:** none


## Frequently asked questions

### Is RadexReadMap free?

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

### Is RAYSID free?

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

### Do RadexReadMap or RAYSID have ads?

Neither RadexReadMap nor RAYSID shows ads.

---

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