# PairMyKey vs TOPDON CarPal

The clearest difference is rating: PairMyKey at 4.7 against TOPDON CarPal's 3.7. PairMyKey also leads on in-app purchases (none vs 18) and ratings volume (1.2K vs 44). On price, ads and device support there is nothing between them.

Both are free to download. TOPDON CarPal sells 18 in-app purchases, starting at $4.99 per month. PairMyKey asks for nothing beyond the download.

PairMyKey holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: PairMyKey has 1.2K ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 52% of PairMyKey's written reviews are positive against 39% of TOPDON CarPal's.

PairMyKey ships an update weekly, TOPDON CarPal every 3 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | PairMyKey | TOPDON CarPal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/pairmykey/id1643530684/reviews)** | [3.7 (44 ratings)](https://appshunter.io/ios/app/topdon-carpal/id6478524922/reviews) |
| Number of ratings | **1.2K** | 44 |
| Positive reviews | **51.8% of reviews** | 39.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 187 MB | 3.1 GB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [THE SOCIAL PLUS HOLDING LLC](https://appshunter.io/developer/1643530686) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### PairMyKey

[App page](https://appshunter.io/ios/app/pairmykey/id1643530684)

This app simplifies the process of programming vehicle keys and remotes for most cars. It works in conjunction with a dongle, connecting to your vehicle's OBDII port to enable effortless key programming. Save time and money on dealership services.

**Highlights:** Program vehicle keys, Program remotes, OBDII port connection, User-friendly interface, Save time and money

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

**In-app purchases:** none


### TOPDON CarPal

[App page](https://appshunter.io/ios/app/topdon-carpal/id6478524922)

Transform your phone into a powerful car diagnostic tool with this app. It offers comprehensive system scans, full OBDII functionality, and specialized maintenance services for a wide range of vehicle brands. Easily identify issues, access repair data, and generate detailed reports wirelessly.

**Highlights:** Full System Diagnosis, Full OBD2 Functions, 6 Special Maintenance Functions, AutoVIN Vehicle Identification, Wireless Bluetooth Connection, Diagnostic Report Generation

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Auto-renewal | $4.99 | per month |
| Renewal Bundle | $29.99 | per year |
| Nissan Gateway 1-Token | $11.99 | one-time |
| Renault Gateway  1-Token | $11.99 | one-time |
| VW SFD Gateway  1-Token | $11.99 | one-time |
| FCA Gateway  1-Token | $11.99 | one-time |
| FCA Gateway 30-day Access | $34.99 | one-time |
| VW SFD Gateway 30-day Access | $34.99 | one-time |
| Renault Gateway 5 Tokens | $116.99 | one-time |
| Nissan Gateway 5 Tokens (EU only) | $116.99 | one-time |
| Renault Gateway 5 Tokens | $147.99 | one-time |
| VW SFD Gateway 1-year Access | $199.99 | one-time |
| Renault Gateway 10 Tokens | $209.99 | one-time |
| Nissan Gateway 10 Tokens (EU only) | $209.99 | one-time |
| Nissan Gateway 10 Tokens (EU only) | $254.99 | one-time |
| Renault Gateway 20 Tokens | $379.00 | one-time |
| Nissan Gateway 20 Tokens (EU only) | $379.00 | one-time |
| Nissan Gateway 20 Tokens (EU only) | $464.99 | one-time |


## Frequently asked questions

### Is PairMyKey free?

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

### Is TOPDON CarPal free?

TOPDON CarPal is free to download, with in-app purchases available.

### Which has better reviews, PairMyKey or TOPDON CarPal?

PairMyKey is rated higher. PairMyKey averages 4.7 out of 5 from 1.2K ratings, while TOPDON CarPal averages 3.7 from 44 ratings.

### Do PairMyKey or TOPDON CarPal have ads?

Neither PairMyKey nor TOPDON CarPal shows ads.

### Which is updated more often, PairMyKey or TOPDON CarPal?

PairMyKey ships an update weekly, and TOPDON CarPal every 3 weeks. Most recently, PairMyKey was updated on October 27, 2026 and TOPDON CarPal on October 27, 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.*