# 123\Tune+ vs X100C

The clearest difference is review sentiment: 123\Tune+ at 58% against X100C's 0%. 123\Tune+ also leads on rating (4.5 vs 3.3) and update cadence (every 3 weeks vs every 6 months). X100C's advantage is iOS requirement (7.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

123\Tune+ holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: 123\Tune+ has 242 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 58% of 123\Tune+'s written reviews are positive against 0% of X100C's.

123\Tune+ ships an update every 3 weeks, X100C every 6 months. The most recent releases landed on September 11, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | 123\Tune+ | X100C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (242 ratings)](https://appshunter.io/ios/app/123tune-plus/id890882601/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/x100c/id1149172812/reviews) |
| Number of ratings | **242** | 3 |
| Positive reviews | **58.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 209 MB | 51 MB |
| Requires iOS | 16.0 | **7.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [Shenzhen Yunjia Intelligence Technology Co., Ltd.](https://appshunter.io/developer/528881861) |

## What reviewers say

### 123\Tune+

[App page](https://appshunter.io/ios/app/123tune-plus/id890882601)

Control your classic car's ignition wirelessly via Bluetooth. Adjust advance and vacuum curves, monitor real-time engine data, and utilize features like a PIN-code immobilizer and rev limiter. Compatible with a wide range of classic vehicles.

**Highlights:** Wireless ignition curve adjustment, Real-time engine data monitoring, PIN-code immobilizer, Soft rev limiter, Tune mode for timing tests, MAP/boost sensor support

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

**In-app purchases:** none


### X100C

[App page](https://appshunter.io/ios/app/x100c/id1149172812)

This mobile tool facilitates key programming and PIN code reading for various car models via an OBD2 connection. It offers multilingual support and a user-friendly interface for compatible Ford, Mazda, Peugeot, Citroen, and DS vehicles.

**Highlights:** Key programming via OBD2, PIN code reading, Supports Ford, Mazda, Peugeot, Citroen, DS, Multilingual interface, User-friendly operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123\Tune+ free?

123\Tune+ is free to download, with no in-app purchases.

### Is X100C free?

X100C is free to download, with no in-app purchases.

### Which has better reviews, 123\Tune+ or X100C?

123\Tune+ is rated higher. 123\Tune+ averages 4.5 out of 5 from 242 ratings, while X100C averages 3.3 from 3 ratings.

### Do 123\Tune+ or X100C have ads?

Neither 123\Tune+ nor X100C shows ads.

### Which is updated more often, 123\Tune+ or X100C?

123\Tune+ ships an update every 3 weeks, and X100C every 6 months. Most recently, 123\Tune+ was updated on September 11, 2026 and X100C on July 7, 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.*