# TOPDON CarPal vs NetTether

TOPDON CarPal and NetTether are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. TOPDON CarPal sells 18 in-app purchases, starting at $4.99 per month and NetTether sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

TOPDON CarPal ships an update every 3 weeks, NetTether every 2 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TOPDON CarPal | NetTether |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (44 ratings)](https://appshunter.io/ios/app/topdon-carpal/id6478524922/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 3.1 GB | 118 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [AVORA TECH COMPANY LIMITED](https://appshunter.io/developer/1889786465) |

## What reviewers say

### 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 |


### NetTether

[App page](https://appshunter.io/ios/app/nettether/id6760692438)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NetTether Pro Monthly | $7.99 | per month |
| NetTether Pro Annual | $79.90 | per year |


## Frequently asked questions

### Is TOPDON CarPal free?

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

### Is NetTether free?

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

### Do TOPDON CarPal or NetTether have ads?

Neither TOPDON CarPal nor NetTether shows ads.

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

TOPDON CarPal ships an update every 3 weeks, and NetTether every 2 weeks. Most recently, TOPDON CarPal was updated on October 25, 2026 and NetTether on October 14, 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.*