B1W vs Ediag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
B1W
Control your CDV04 video recorder remotely using your smart device. Access features like live preview, photo album viewing, setup adjustments, and file management.
- Remote viewfinder/preview
- View photo album
- Setup adjustments
- Take photos
- Record video
- File delete/download
- Playback recordings
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With B1W-CARDVR , you could now control your CDV04 based video recorder by using your smart devices. Like remote viewfinder/preview, view photo Album,Setup,Taking photo ,Recording,File delete/download,Playback.
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: Ediag at 4.3 against B1W's 2.1. Ediag also leads on ratings volume (1.6K vs 43) and review sentiment (30% vs 13%). B1W's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases 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.
Ediag holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: Ediag has 1.6K ratings behind it against 43, so its average is the more settled of the two. Written reviews point the same way: 13% of B1W's written reviews are positive against 30% of Ediag's.
B1W ships an update monthly, Ediag every 2 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.
| Parameter | B1W | Ediag |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (43 ratings) | 4.3 (1.6K ratings) — better |
| Positive reviews | 12.6% of reviews | 29.6% of reviews — better |
| Number of ratings | 43 | 1.6K — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 43 MB | 455 MB |
| Age rating | 4+ | 4+ |
| Developer | 树 贝 | Shenzhen Kingbolen Electrics Technology Co., Ltd. |
Customer experience
B1W
Ediag
User reviews
B1W
From 43 App Store ratingsWhat we love
- 👍 Dashcam works well
- 👍 Simple setup (sometimes)
- 👍 Good clarity
- 👍 Discreet design
- 👍 Wide angle capture
Room to improve
- ❌ Does not connect to dash cam
- ❌ App no longer works
- ❌ Does not work with iOS 18
- ❌ Internet not available error
- ❌ WiFi goes away
Ediag
From 1.6K 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
B1W
Reported bugs
36 issues- App won't connect to dash cam
- App no longer works
- Incompatible with iOS 18
- Shows 'internet not available'
- WiFi connection drops
Show 31 moreShow fewer
- Cannot get device information
- Cannot pair device
- Wi-Fi not working
- App crashes
- Videos don't play smoothly
- Downloaded videos are choppy
- Playback is jumpy and freezes
- Video quality downgraded
- Cannot share downloaded videos
- App buttons not functioning
- App not connecting to dashcam
- App not connecting to WiFi
- App not connecting to camera
- App not connecting to device
- Lag in video playback
- Choppy video playback
- Video plays in jittery frame by frame mode
- App not optimized for newer iPhones
- GUI is slow and outdated
- Downloading videos is slow
- App crashes during download
- Cannot download files again
- Cannot delete files from camera
- GPS coordinates not showing
- Minimizing app stops camera
- No frame by frame stepping
- Incorrect time and date stamp on video
- Unreasonably large file sizes
- Poor bandwidth for video detail
- Video files not accessible by other apps
- Setup is tricky
Requested features
11 requests- Software update for connectivity
- Add dark mode
- Add multi-download for videos
- Improve app interface
- Add English menu
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- Update for newer iPhones
- Improve video playback smoothness
- Fix choppy video playback
- Add pause or rewind functionality
- Allow deleting files from camera
- Dedicated app for iPad
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
Show 7 moreShow fewer
- 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
B1W
No in-app purchases
Ediag
No in-app purchases
