# Ediag vs Tinker DIY

The clearest difference is rating: Tinker DIY at 4.7 against Ediag's 4.3. Tinker DIY also leads on review sentiment (45% vs 30%) and update cadence (every 3 weeks vs every 2 months). Ediag's advantage is monetization model (free vs ad-supported). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Tinker DIY holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 1.6K and 2K respectively. Written reviews point the same way: 30% of Ediag's written reviews are positive against 45% of Tinker DIY's.

Ediag ships an update every 2 months, Tinker DIY every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ediag | Tinker DIY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1.6K ratings)](https://appshunter.io/ios/app/ediag/id6444249245/reviews) | **[4.7 (2K ratings)](https://appshunter.io/ios/app/tinker-diy/id6466501155/reviews)** |
| Number of ratings | 1.6K | **2K** |
| Positive reviews | 29.6% of reviews | **45.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 455 MB | 116 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kingbolen Electrics Technology Co., Ltd.](https://appshunter.io/developer/1653350029) | [Glocal development LLC](https://appshunter.io/developer/1688277654) |

## What reviewers say

### Ediag

[App page](https://appshunter.io/ios/app/ediag/id6444249245)

Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.

**Highlights:** Full-function diagnosis, Read data flow, Read/clear fault code, Read vehicle information, Automatic VIN reading, Diagnostic reports

**In-app purchases:** none

**What reviewers like**

- ✅ Comprehensive diagnostic information and functionality
- 🎯 Works well for specific vehicle models (Chevy, Acura, etc.)
- 💪 Advanced features like glow plug programming and ECU coding
- 📱 Helpful AI and YouTube integration for guidance
- 🔧 Good value for price compared to expensive scan tools

**What reviewers complain about**

- 💰 Hidden subscription fees for special functions ($19.99 each)
- 🐛 App crashes frequently after updates
- ❌ Poor vehicle compatibility with newer models (2023+)
- 🔐 Requires location data and network connectivity
- 😕 Confusing user interface and unclear section titles

**Reported bugs**

- App crashes after latest update
- Activation fails with correct codes (used devices)
- Communication errors during diagnostics
- VIN finder doesn't work well for older cars
- First-day connection issues requiring account reset

**Requested features**

- Support for newer vehicle models (2023+)
- Better auto-identification for Ford and other manufacturers
- Language settings menu (Turkish language support mentioned)
- Ability to command multiple functions from same test screen
- Improved VIN finder for older vehicles (1990s-2000s)


### Tinker DIY

[App page](https://appshunter.io/ios/app/tinker-diy/id6466501155)

Instantly connect with certified automotive experts through live video chat for car repair help, pre-purchase inspections, or rideshare vehicle safety checks. Get professional guidance for buying, selling, or maintaining your vehicle.

**Highlights:** Live video chat with experts, Rideshare inspection, Turo annual safety inspection, Used car buying/selling guidance, Real-time car repair assistance, ASE-certified mechanics

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great service
- 🚀 Quick and easy
- 💰 Saved money
- 🔧 Helpful mechanics
- 🤖 Useful for DIY

**What reviewers complain about**

- 🔒 Requires personal information
- 💰 Expensive pricing
- 🐛 App doesn't work
- 🤷‍♂️ Unhelpful mechanics
- 🚫 Limited car support

**Reported bugs**

- Login/signup issues
- App crashes or freezes
- Disconnected calls not refunded

**Requested features**

- Add support for motorcycles
- Allow searching for brand-specific mechanics
- Improve communication with expert applicants


## Frequently asked questions

### Is Ediag free?

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

### Is Tinker DIY free?

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

### Which has better reviews, Ediag or Tinker DIY?

Tinker DIY is rated higher. Ediag averages 4.3 out of 5 from 1.6K ratings, while Tinker DIY averages 4.7 from 2K ratings.

### Do Ediag or Tinker DIY have ads?

Neither Ediag nor Tinker DIY shows ads.

### Which is updated more often, Ediag or Tinker DIY?

Ediag ships an update every 2 months, and Tinker DIY every 3 weeks. Most recently, Ediag was updated on November 3, 2026 and Tinker DIY on October 30, 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.*