# ERC Car Audio/ NAVI Unlocker vs ERC Decoder

The clearest difference is review sentiment: ERC Car Audio/ NAVI Unlocker at 88% against ERC Decoder's 0%. ERC Car Audio/ NAVI Unlocker also leads on in-app purchases (none vs 1) and ads (none vs shown). ERC Decoder's advantage is update cadence (daily vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ERC Decoder sells 1 one-off in-app purchase. ERC Car Audio/ NAVI Unlocker asks for nothing beyond the download.

ERC Car Audio/ NAVI Unlocker ships an update every 2 months, ERC Decoder daily. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ERC Car Audio/ NAVI Unlocker | ERC Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/erc-decoder-unlocker-code/id6759219720/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saqib Ahmad](https://appshunter.io/developer/1512071363) | [Waleed Amjad Bashir](https://appshunter.io/developer/1876780925) |

## What reviewers say

### ERC Car Audio/ NAVI Unlocker

[App page](https://appshunter.io/ios/app/erc-car-audio-navi-unlocker/id1514888175)

This utility app decodes ERC serial numbers to generate unlock codes for Japanese car audio and navigation systems. It helps restore full functionality to units locked after battery disconnection or repairs.

**Highlights:** Generates ERC unlock codes, Restores car audio/navi functions, Supports numerous Japanese car models, Provides instructions to find serial number, Lists supported and unsupported units

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

**In-app purchases:** none


### ERC Decoder

[App page](https://appshunter.io/ios/app/erc-decoder-unlocker-code/id6759219720)

Instantly generate unlock codes for vehicle radios displaying an ERC code. Simply enter your radio's serial number to get the necessary code without visiting a dealer or paying service fees.

**Highlights:** Instant unlock code generation, Works with ERC-encoded radios, Simple, clean interface, Supports multiple languages, Copy or share unlock code

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ERC Unlock Code | $5.99 | one-time |


## Frequently asked questions

### Is ERC Car Audio/ NAVI Unlocker free?

ERC Car Audio/ NAVI Unlocker is free to download, with no in-app purchases.

### Is ERC Decoder free?

ERC Decoder is free to download, with in-app purchases available.

### Do ERC Car Audio/ NAVI Unlocker or ERC Decoder have ads?

ERC Decoder shows ads; ERC Car Audio/ NAVI Unlocker does not.

### Which is updated more often, ERC Car Audio/ NAVI Unlocker or ERC Decoder?

ERC Car Audio/ NAVI Unlocker ships an update every 2 months, and ERC Decoder daily. Most recently, ERC Car Audio/ NAVI Unlocker was updated on November 3, 2026 and ERC Decoder on November 5, 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.*