Ediag vs Hcalory
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.
Hcalory
Control your air heater remotely with this app. Monitor parameters, adjust temperature and gears, set schedules, and activate modes like plateau and ventilation. Designed for specific supported heater models.
- Remote heater control
- Parameter monitoring
- Temperature and gear adjustment
- Plateau mode activation
- Ventilation control
- Scheduling functionality
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Our Hcalory air heater app provides a smarter remote control solution for air heater users (The supported heater models are: F1-S, L1-S, L2-S, W1-S, W2-S, TB1, TB2, TC1SE). You can see all the parameter info on your phone, switch temperature/gears, start plateau mode, start ventilation, switch temperature settings, schedule time, etc. We will continue to collect user suggestions to improve the user experience of our products.
Screenshots
Verdict
Ediag and Hcalory both sit at 4.3 stars, but that hides the real split: 67% of Hcalory's written reviews are positive against 30% of Ediag's. Hcalory also leads on iOS requirement (13.6 vs 15.6). Ediag's advantage is ratings volume (1.5K vs 10). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.3 for Ediag against 4.2 for Hcalory. That said, the two scores are not equally well evidenced: Ediag has 1.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 30% of Ediag's written reviews are positive against 67% of Hcalory's.
Ediag ships an update every 2 months, Hcalory every 4 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.
| Parameter | Ediag | Hcalory |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.5K ratings) — better | 4.2 (10 ratings) |
| Positive reviews | 29.6% of reviews | 66.7% of reviews — better |
| Number of ratings | 1.5K — better | 10 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.6 — better |
| Further details — not scored | ||
| Size | 455 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kingbolen Electrics Technology Co., Ltd. | HONG KONG TING HUI LIMITED |
Customer experience
Ediag
Hcalory
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
Hcalory
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ediag
No in-app purchases
Hcalory
No in-app purchases
