# OBDII Trouble Codes vs Car Radio Code Generator

The clearest difference is review sentiment: Car Radio Code Generator at 100% against OBDII Trouble Codes's 21%. Car Radio Code Generator also leads on price (Free vs $3.99) and update cadence (every 3 weeks vs every 25 months). OBDII Trouble Codes's advantage is in-app purchases (none vs 11). On ads, device support and iOS requirement there is nothing between them.

Car Radio Code Generator is free to download; OBDII Trouble Codes costs $3.99 up front. Car Radio Code Generator sells 11 one-off in-app purchases. OBDII Trouble Codes asks for nothing beyond the download.

OBDII Trouble Codes ships an update every 25 months, Car Radio Code Generator every 3 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | OBDII Trouble Codes | Car Radio Code Generator |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 21.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 54 MB | 41 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oleg Chumakov](https://appshunter.io/developer/688892120) | [IRAKLI BERISHVILI](https://appshunter.io/developer/1737856686) |

## What reviewers say

### OBDII Trouble Codes

[App page](https://appshunter.io/ios/app/obdii-trouble-codes/id688892117)

Access a comprehensive offline database of over 18,500 diagnostic trouble codes for cars. Simply enter a fault code to get detailed descriptions without needing an internet connection or car model selection.

**Highlights:** Offline OBD2/EOBD code database, Over 18,500 error descriptions, No internet connection required, Simple fault code entry, Supports generic and manufacturer-specific codes, Copy and paste error descriptions

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Radio Code Generator

[App page](https://appshunter.io/ios/app/car-radio-code-generator/id6480319021)

Quickly retrieve your car radio codes within 30 minutes after power outages or battery replacements. This app supports a wide range of car manufacturers and radio models, offering a user-friendly and secure process. Access your past codes easily through the code history feature.

**Highlights:** Fast code retrieval (under 30 mins), Wide compatibility with car brands/models, User-friendly step-by-step guidance, Secure and reliable code generation, Access to code history, Requires radio serial number

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dacia | $3.99 | one-time |
| Honda | $5.99 | one-time |
| Fiat | $5.99 | one-time |
| Blaupunkt | $5.99 | one-time |
| Chrysler | $9.99 | one-time |
| Mercedes | $9.99 | one-time |
| Volvo | $12.99 | one-time |
| Volkswagen | $14.99 | one-time |
| Seat | $14.99 | one-time |
| Skoda | $14.99 | one-time |
| Vauxhall | $24.99 | one-time |


## Frequently asked questions

### Is OBDII Trouble Codes free?

OBDII Trouble Codes costs $3.99, with no in-app purchases.

### Is Car Radio Code Generator free?

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

### Do OBDII Trouble Codes or Car Radio Code Generator have ads?

Neither OBDII Trouble Codes nor Car Radio Code Generator shows ads.

### Which is updated more often, OBDII Trouble Codes or Car Radio Code Generator?

OBDII Trouble Codes ships an update every 25 months, and Car Radio Code Generator every 3 weeks. Most recently, OBDII Trouble Codes was updated on October 14, 2026 and Car Radio Code Generator on October 14, 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.*