# X100C vs CAR OBD

The clearest difference is rating: CAR OBD at 5.0 against X100C's 3.3. CAR OBD also leads on update cadence (every 6 weeks vs every 6 months). X100C's advantage is in-app purchases (none vs 5) and ratings volume (3 vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. CAR OBD sells 5 one-off in-app purchases. X100C asks for nothing beyond the download.

CAR OBD holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

X100C ships an update every 6 months, CAR OBD every 6 weeks. The most recent releases landed on October 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | X100C | CAR OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/x100c/id1149172812/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/car-obd/id6470771313/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 15 MB |
| Requires iOS | **7.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Dongguan Shendu Research Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1827187525) |

## What reviewers say

### 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


### CAR OBD

[App page](https://appshunter.io/ios/app/car-obd/id6470771313)

This utility app helps users manage car keys by facilitating the matching of existing keys and the addition of new ones. It supports both single key additions and batch processing for multiple keys.

**Highlights:** Match car keys, Add single car key, Batch add multiple keys, Supports iPhone and iPad

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD number recharge One | $3.00 | one-time |
| OBD number recharge Two | $6.00 | one-time |
| OBD number recharge three | $9.00 | one-time |
| OBD number recharge four | $12.00 | one-time |
| OBD number recharge five | $15.00 | one-time |


## Frequently asked questions

### Is X100C free?

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

### Is CAR OBD free?

CAR OBD is free to download, with in-app purchases available.

### Which has better reviews, X100C or CAR OBD?

CAR OBD is rated higher. X100C averages 3.3 out of 5 from 3 ratings, while CAR OBD averages 5.0 from 1 ratings.

### Do X100C or CAR OBD have ads?

Neither X100C nor CAR OBD shows ads.

### Which is updated more often, X100C or CAR OBD?

X100C ships an update every 6 months, and CAR OBD every 6 weeks. Most recently, X100C was updated on October 11, 2026 and CAR OBD on September 16, 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.*