VINwiki vs Ediag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VINwiki
Document your vehicle's complete history, including maintenance, upgrades, and mileage. Share your car's story with photos and service records to build its value. Follow friends' cars and see their automotive journeys.
- Create vehicle history reports
- Contribute to vehicle histories
- Curate vehicle history reports
- Add photos and mileage updates
- Document service records
- Track car maintenance and upgrades
- Follow friends' car journeys
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VINwiki is here to change automotive history. It is a platform that invites users to create, contribute to, and curate vehicle history reports. Tell your car's story with photos, mileage updates, service records, and everything that makes it your own. Build value in your car by documenting all of the maintenance, upgrades, and modifications that you perform. Follow your friends and the cars you love so that you can see what happens to them. VINwiki is a great tool to keep track of what your friends do to their cars and where they end up down the road. Come with us on this journey to offer a new perspective on the cars that we love.
Ediag
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.
- Full-function diagnosis
- Read data flow
- Read/clear fault code
- Read vehicle information
- Automatic VIN reading
- Diagnostic reports
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Support full-function diagnosis, read data flow, read/clear fault code, read vehicle information. Select any vehicle diagnostic software, covering major automobile manufacturers.Support one-key diagnosis and automatic VIN reading. generate professional diagnostic reports.
Screenshots
Verdict
The clearest difference is rating: VINwiki at 4.8 against Ediag's 4.3. VINwiki also leads on review sentiment (63% vs 30%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VINwiki holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 4.1K and 1.5K respectively. Written reviews point the same way: 63% of VINwiki's written reviews are positive against 30% of Ediag's.
VINwiki ships an update monthly, Ediag every 2 months. Both last shipped on October 20, 2026.
| Parameter | VINwiki | Ediag |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.1K ratings) — better | 4.3 (1.5K ratings) |
| Positive reviews | 62.5% of reviews — better | 29.6% of reviews |
| Number of ratings | 4.1K — better | 1.5K |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 12 MB | 455 MB |
| Age rating | 9+ | 4+ |
| Developer | VINwiki, Inc. | Shenzhen Kingbolen Electrics Technology Co., Ltd. |
Customer experience
VINwiki
Ediag
User reviews
VINwiki
From 4.1K App Store ratingsWhat we love
- 🚀 Great community
- 👍 Useful for car enthusiasts
- 💡 Innovative concept
- 👍 Helpful for car history research
- 👍 Easy to use
Room to improve
- 🐛 Buggy and unstable
- 🔧 Needs major updates and improvements
- 🔧 Lacking key features
- 🔧 Poor user interface
- 🔧 Unreliable data
Ediag
From 1.5K App Store ratingsWhat we love
- ✅ 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
Room to improve
- 💰 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
Bugs and requests
VINwiki
Reported bugs
4 issues- Login and registration issues
- Posts and data disappearing
- Inability to view personal posts and history
- Compatibility problems with newer iOS versions
Requested features
5 requests- Add ability to edit and delete posts
- Implement push notifications
- Improve search and filtering functionality
- Add support for international users and vehicles
- Optimize for iPad and larger screens
Ediag
Reported bugs
12 issues- 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
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- Cannot clear all error codes completely
- Doesn't recognize 2023+ vehicle models
- Login validation errors after updates
- Slow code retrieval compared to competitors
- Device stops working unexpectedly
- Firmware update required for initial functionality
- Cannot identify common manufacturers automatically
Requested features
10 requests- 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)
Show 5 moreShow fewer
- Support for MG Siac models
- iOS/iPhone compatibility
- Clearer section titles and better documentation
- Ability to perform ABS bleeding on Chevy vehicles
- Support for Ford Galaxy vehicles
In-app purchases
VINwiki
No in-app purchases
Ediag
No in-app purchases
