# Radio Code Master vs 800 4GPS

The clearest difference is in-app purchases: 800 4GPS at none against Radio Code Master's 2. 800 4GPS also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.6). Radio Code Master's advantage is update cadence (fortnightly vs every 28 months). On price and device support there is nothing between them.

Both are free to download. Radio Code Master sells 2 one-off in-app purchases. 800 4GPS asks for nothing beyond the download.

Radio Code Master ships an update fortnightly, 800 4GPS every 28 months. The most recent releases landed on September 22, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Radio Code Master | 800 4GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/radio-code-master-unlock/id1454120777/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 91.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 28 months |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 112 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APPMEUP](https://appshunter.io/developer/1023725442) | [VoltSwitch Technologies INC](https://appshunter.io/developer/1498164935) |

## What reviewers say

### Radio Code Master

[App page](https://appshunter.io/ios/app/radio-code-master-unlock/id1454120777)

Instantly recover activation codes for Renault and Ford car stereos after a battery change. Simply find your radio's precode, enter it into the app, and receive your unlock code immediately. Get your music back without paying a dealer.

**Highlights:** Instant radio code recovery, Supports Renault and Ford vehicles, Find precode on radio label, Simple and efficient interface, Immediate unlock code generation, Informative help section

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant unlock | $0.99 | one-time |
| Instant unlock | $1.99 | one-time |


### 800 4GPS

[App page](https://appshunter.io/ios/app/800-4gps/id1563378834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radio Code Master free?

Radio Code Master is free to download, with in-app purchases available.

### Is 800 4GPS free?

800 4GPS is free to download, with no in-app purchases.

### Do Radio Code Master or 800 4GPS have ads?

Radio Code Master shows ads; 800 4GPS does not.

### Which is updated more often, Radio Code Master or 800 4GPS?

Radio Code Master ships an update fortnightly, and 800 4GPS every 28 months. Most recently, Radio Code Master was updated on September 22, 2026 and 800 4GPS on May 17, 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.*