# SmartCar.mn vs ERC Unlocker

The clearest difference is review sentiment: ERC Unlocker at 56% against SmartCar.mn's 0%. ERC Unlocker also leads on ratings volume (8 vs 2). SmartCar.mn's advantage is in-app purchases (none vs 2) and update cadence (every 6 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ERC Unlocker sells 2 one-off in-app purchases. SmartCar.mn asks for nothing beyond the download.

SmartCar.mn holds the better App Store score, 2.5 against 2.3. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews complicate that: 0% of SmartCar.mn's written reviews are positive against 56% of ERC Unlocker's, so the app with the better star average is not the one people write more warmly about.

SmartCar.mn ships an update every 6 days, ERC Unlocker every 6 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | SmartCar.mn | ERC Unlocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/smartcarmn/id1303606164/reviews)** | [2.3 (8 ratings)](https://appshunter.io/ios/app/erc-unlocker-erc-calculator/id1347685769/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | 0.0% of reviews | **56.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 8 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Astvision LLC](https://appshunter.io/developer/859727778) | [Zeeshan Ahmad](https://appshunter.io/developer/1320755442) |

## What reviewers say

### SmartCar.mn

[App page](https://appshunter.io/ios/app/smartcarmn/id1303606164)

Access all your vehicle-related services in one place. Check and pay taxes, fines, insurance, and inspection information online using your payment card. Available via web and mobile app.

**Highlights:** Vehicle registration information, Tax, pollution, and road usage fee checks and payments, Fine information and history, Inspection information, Insurance information, Online payments via Visa, Mastercard, and Togrog cards

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SmartCar.mn free?

SmartCar.mn is free to download, with no in-app purchases.

### Is ERC Unlocker free?

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

### Which has better reviews, SmartCar.mn or ERC Unlocker?

SmartCar.mn is rated higher. SmartCar.mn averages 2.5 out of 5 from 2 ratings, while ERC Unlocker averages 2.3 from 8 ratings.

### Do SmartCar.mn or ERC Unlocker have ads?

Neither SmartCar.mn nor ERC Unlocker shows ads.

### Which is updated more often, SmartCar.mn or ERC Unlocker?

SmartCar.mn ships an update every 6 days, and ERC Unlocker every 6 weeks. Most recently, SmartCar.mn was updated on November 4, 2026 and ERC Unlocker on November 6, 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.*