# Launch AIOBD vs VDIAGTOOL

The clearest difference is review sentiment: VDIAGTOOL at 40% against Launch AIOBD's 0%. VDIAGTOOL also leads on rating (2.8 vs 2.3) and in-app purchases (none vs 19). Launch AIOBD's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Launch AIOBD sells 19 one-off in-app purchases. VDIAGTOOL asks for nothing beyond the download.

VDIAGTOOL holds the better App Store score, 2.8 against 2.3. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews point the same way: 0% of Launch AIOBD's written reviews are positive against 40% of VDIAGTOOL's.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | Launch AIOBD | VDIAGTOOL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/launch-aiobd/id6739603189/reviews) | **[2.8 (8 ratings)](https://appshunter.io/ios/app/vdiagtool/id6751025207/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 752 MB | 1.1 GB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [Shenzhen VDIAGTOOL Technology Co., Ltd](https://appshunter.io/developer/1833169281) |

## What reviewers say

### Launch AIOBD

[App page](https://appshunter.io/ios/app/launch-aiobd/id6739603189)

This tool diagnoses vehicle faults using a mobile device and a Bluetooth connector. It performs full system diagnostics, reads and clears trouble codes, and analyzes data streams for various car models.

**Highlights:** Full system vehicle diagnosis, One-click intelligent diagnosis, Read and clear DTCs, Read data streams, Salt spray testing, Supports mainstream models

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FIAT | $0.29 | one-time |
| Software services(2.99) | $2.99 | one-time |
| Software services(3.99) | $3.99 | one-time |
| Software services(4.99) | $4.99 | one-time |
| Software services(8.99) | $8.99 | one-time |
| Software services(9.99) | $9.99 | one-time |
| Software services(29.99) | $29.99 | one-time |
| Software services(31.99) | $31.99 | one-time |
| MAZDA | $35.99 | one-time |
| BENZ | $35.99 | one-time |
| GM | $35.99 | one-time |
| HONDA | $35.99 | one-time |
| HYUNDAI | $35.99 | one-time |
| NISSAN | $35.99 | one-time |
| TOYOTA | $35.99 | one-time |
| USAFORD | $35.99 | one-time |
| VM | $35.99 | one-time |
| VOLVO | $35.99 | one-time |
| CHRYSLER | $35.99 | one-time |


### VDIAGTOOL

[App page](https://appshunter.io/ios/app/vdiagtool/id6751025207)

This app provides comprehensive vehicle diagnostics, acting as a portable, professional solution. It connects to a Bluetooth OBDII adapter for full-system scanning and special functions on various car brands.

**Highlights:** Full-system vehicle diagnostics, Professional special functions (oil reset, DPF regen, EPB), High-speed Bluetooth OBDII adapter included, Portable, pocket-sized design, Cross-platform iOS compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Launch AIOBD free?

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

### Is VDIAGTOOL free?

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

### Which has better reviews, Launch AIOBD or VDIAGTOOL?

VDIAGTOOL is rated higher. Launch AIOBD averages 2.3 out of 5 from 3 ratings, while VDIAGTOOL averages 2.8 from 8 ratings.

### Do Launch AIOBD or VDIAGTOOL have ads?

Neither Launch AIOBD nor VDIAGTOOL shows ads.

### Which is updated more often, Launch AIOBD or VDIAGTOOL?

Launch AIOBD ships an update every 3 weeks, and VDIAGTOOL every 3 weeks. Most recently, Launch AIOBD was updated on October 16, 2026 and VDIAGTOOL on October 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.*