Ediag vs HLAIS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
HLAIS
Manage MFI devices through a USB connection. This software allows for direct control of connected hardware. It facilitates seamless interaction between your device and the application.
- MFI device management
- USB data cable connection
- Direct device control
- Hardware interaction
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This is a management software for MFI devices. The device is connected to another device via a USB data cable. After the device is connected, the application can control the device.
Screenshots
Verdict
The clearest difference is rating: Ediag at 4.3 against HLAIS's 1.5. Ediag also leads on ratings volume (1.5K vs 22). HLAIS's advantage is iOS requirement (13.0 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 1.5. That said, the two scores are not equally well evidenced: Ediag has 1.5K ratings behind it against 22, so its average is the more settled of the two.
Ediag ships an update every 2 months, HLAIS every 6 weeks. Both last shipped on October 25, 2026.
| Parameter | Ediag | HLAIS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.5K ratings) — better | 1.5 (22 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1.5K — better | 22 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 455 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kingbolen Electrics Technology Co., Ltd. | Shenzhen HND Photoelectricity Co.,Ltd |
Customer experience
Ediag
HLAIS
Bugs and requests
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)
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- 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
HLAIS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ediag
No in-app purchases
HLAIS
No in-app purchases
