# Radio ID vs River Sentry

The clearest difference is price: River Sentry at Free against Radio ID's $0.99. Radio ID's advantage is chart position (#183 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

River Sentry is free to download; Radio ID costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Radio ID | River Sentry |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.6 (45 ratings)](https://appshunter.io/ios/app/radio-id/id640429366/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | — |
| Best chart rank | **#183** | — |
| Size | 1 MB | 121 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Kaufman](https://appshunter.io/developer/640429469) | [River Sentry](https://appshunter.io/developer/1868563854) |

## What reviewers say

### Radio ID

[App page](https://appshunter.io/ios/app/radio-id/id640429366)

**Currently charting:** #183 Top Paid · Utilities (US App Store)

This utility decodes two-way radio transmissions using industry-standard formats like Motorola MDC-1200, GE STAR, and Kenwood FleetSync. It also supports QuickCall II signaling, making it an essential tool for radio technicians and scanner enthusiasts.

**Highlights:** Decodes Motorola MDC-1200, Decodes GE STAR, Decodes Kenwood FleetSync, Decodes QuickCall II signaling, Useful for radio technicians, Helpful for scanner listeners

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

**In-app purchases:** none


### River Sentry

[App page](https://appshunter.io/ios/app/river-sentry/id6767076895)

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

**In-app purchases:** none


## Frequently asked questions

### Is Radio ID free?

Radio ID costs $0.99, with no in-app purchases.

### Is River Sentry free?

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

### Do Radio ID or River Sentry have ads?

Neither Radio ID nor River Sentry shows ads.

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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.*