Ediag vs Sigeda Diffuser
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.
Sigeda Diffuser
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ScentControl - Your Smart Fragrance Manager Connect your Bluetooth aroma diffuser and start your smart fragrance journey! Core Features - Bluetooth Connection : Quick search and connect to aroma devices - Smart Control : Adjust mist intensity, timer, and modes - Night Light : Customizable light brightness and color - Device Status : Real-time battery, oil level, and working status - Multi-device Management : Manage multiple diffusers simultaneously - Multi-language : Support Chinese and English Usage Scenarios - Sleep Aid: Relax with soothing fragrance before bed - Office Boost: Stay focused with energizing essential oils - Party Ambiance: Create unique fragrance for gatherings - Yoga Meditation: Enhance mindfulness practice Compatible Devices Works with Sigeda series and compatible Bluetooth diffusers Download ScentControl and let fragrance follow you smartly!
Screenshots
Verdict
The clearest difference is update cadence: Sigeda Diffuser at weekly against Ediag's every 2 months. On price, ads, in-app purchases and device support 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 ships an update every 2 months, Sigeda Diffuser weekly. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.
| Parameter | Ediag | Sigeda Diffuser |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.4K ratings) — better | — |
| Positive reviews | 29.6% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 455 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kingbolen Electrics Technology Co., Ltd. | 鸿燕 张 |
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
Sigeda Diffuser
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ediag
No in-app purchases
Sigeda Diffuser
No in-app purchases
