# Radio ID vs A4Calc

The clearest difference is price: Radio ID at $0.99 against A4Calc's $4.99. Radio ID also leads on chart position (#183 vs unranked). A4Calc's advantage is iOS requirement (12.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Radio ID costs $0.99 and A4Calc $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radio ID ships an update every 7 months, A4Calc every 8 months. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Radio ID | A4Calc |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| 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** | Every 8 months |
| Monetization | Free | — |
| Best chart rank | **#183** | — |
| Size | 1 MB | 2 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Kaufman](https://appshunter.io/developer/640429469) | [Farren Domenici](https://appshunter.io/developer/583666476) |

## 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


### A4Calc

[App page](https://appshunter.io/ios/app/a4calc/id734140182)

**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 A4Calc free?

A4Calc costs $4.99, with no in-app purchases.

### Do Radio ID or A4Calc have ads?

Neither Radio ID nor A4Calc shows ads.

### Which is updated more often, Radio ID or A4Calc?

Radio ID ships an update every 7 months, and A4Calc every 8 months. Most recently, Radio ID was updated on October 15, 2026 and A4Calc on September 30, 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.*