# Counts.Pro Ratemeter vs RAYSID

The clearest difference is update cadence: RAYSID at weekly against Counts.Pro Ratemeter's every 5 months. Counts.Pro Ratemeter's advantage is device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Counts.Pro Ratemeter against 5.0 for RAYSID. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Counts.Pro Ratemeter ships an update every 5 months, RAYSID weekly. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Counts.Pro Ratemeter | RAYSID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/countspro-ratemeter/id1577830021/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/raysid/id6763330523/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | Free |
| Size | 45 MB | 145 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Antrim Creek LLC](https://appshunter.io/developer/1478439002) | [Isai Olvera](https://appshunter.io/developer/1895267343) |

## What reviewers say

### Counts.Pro Ratemeter

[App page](https://appshunter.io/ios/app/countspro-ratemeter/id1577830021)

This utility app allows users to connect to a Counts.Pro-enabled meter to view count rates and scaler counts. It facilitates recording timed and untimed surveys and exporting the collected data.

**Highlights:** Connect to Counts.Pro meters, View count rates, View scaler counts, Record timed surveys, Record untimed surveys, Export survey data

**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 Counts.Pro Ratemeter free?

Counts.Pro Ratemeter is free to download, with no in-app purchases.

### Is RAYSID free?

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

### Which has better reviews, Counts.Pro Ratemeter or RAYSID?

Counts.Pro Ratemeter and RAYSID are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Counts.Pro Ratemeter or RAYSID have ads?

Neither Counts.Pro Ratemeter nor RAYSID shows ads.

### Which is updated more often, Counts.Pro Ratemeter or RAYSID?

Counts.Pro Ratemeter ships an update every 5 months, and RAYSID weekly. Most recently, Counts.Pro Ratemeter was updated on October 21, 2026 and RAYSID on October 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.*