# ERC Unlocker vs ERC Decoder

The clearest difference is review sentiment: ERC Unlocker at 57% against ERC Decoder's 0%. ERC Unlocker also leads on rating (2.3 vs 1.0) and ads (none vs shown). ERC Decoder's advantage is update cadence (every 6 days vs every 6 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ERC Unlocker sells 2 one-off in-app purchases and ERC Decoder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ERC Unlocker holds the better App Store score, 2.3 against 1.0. That said, the two scores are not equally well evidenced: ERC Unlocker has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 57% of ERC Unlocker's written reviews are positive against 0% of ERC Decoder's.

ERC Unlocker ships an update every 6 weeks, ERC Decoder every 6 days. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ERC Unlocker | ERC Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (8 ratings)](https://appshunter.io/ios/app/erc-unlocker-erc-calculator/id1347685769/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/erc-decoder-unlocker-code/id6759219720/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **57.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 30 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zeeshan Ahmad](https://appshunter.io/developer/1320755442) | [Waleed Amjad Bashir](https://appshunter.io/developer/1876780925) |

## What reviewers say

### ERC Unlocker

[App page](https://appshunter.io/ios/app/erc-unlocker-erc-calculator/id1347685769)

This utility app calculates ERC codes required for certain car audio and navigation systems after power interruptions. It offers a simple process to regain access to multimedia features by entering your device's serial number.

**Highlights:** Fast ERC code calculation, Supports wide range of audio units, Simple instructions, Convenient and quick access, Customer support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1 ERC Code | $9.99 | one-time |
| Get 1  68 Series ERC Code | $19.99 | one-time |


### 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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ERC Unlock Code | $3.99 | one-time |


## Frequently asked questions

### Is ERC Unlocker free?

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

### Is ERC Decoder free?

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

### Which has better reviews, ERC Unlocker or ERC Decoder?

ERC Unlocker is rated higher. ERC Unlocker averages 2.3 out of 5 from 8 ratings, while ERC Decoder averages 1.0 from 1 ratings.

### Do ERC Unlocker or ERC Decoder have ads?

ERC Decoder shows ads; ERC Unlocker does not.

### Which is updated more often, ERC Unlocker or ERC Decoder?

ERC Unlocker ships an update every 6 weeks, and ERC Decoder every 6 days. Most recently, ERC Unlocker was updated on September 21, 2026 and ERC Decoder on September 11, 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.*