TweEQ vs Ediag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TweEQ
This software provides studio-grade digital signal processing for car audio systems. It offers an easy-to-use interface and a quick-start wizard to help you achieve extraordinary sound quality from your KICKER Q-class IQ series amplifiers.
- Easy setup wizard
- Full crossover control
- 1/3 octave independent channel EQ
- Individual channel compression/limiting
- Time alignment
- Save and load configuration files
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You can always depend on clean, reliable and efficient amplification from KICKER. Building upon that, we now add the finesse of studio-grade Digital Signal Processing in the form of innovative TweEQ software. Utilizing an easy-to-use app and effortless quick-start setup wizard that walks you through the process, you'll be listening to extraordinary sound from your system in no time at all!! TweEQ is designed for use with our new Q-class IQ series of amplifiers connected via Bluetooth through the Kicker IQI interface (http://www.kicker.com/42IQI). Features include: - Easy setup wizard. - Full crossover control. - 1/3 octave independent channel EQ. - Individual channel compression/limiting. - Input/output mixer (iPad only) - Time alignment. - Ability to save and load configuration files.
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 TweEQ's 3.6. Ediag also leads on ratings volume (1.6K vs 8) and update cadence (every 2 months vs every 4 months). TweEQ's advantage is review sentiment (67% vs 30%). On price, ads, in-app purchases and monetization model 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 3.6. That said, the two scores are not equally well evidenced: Ediag has 1.6K ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 67% of TweEQ's written reviews are positive against 30% of Ediag's, so the app with the better star average is not the one people write more warmly about.
TweEQ ships an update every 4 months, Ediag every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | TweEQ | Ediag |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (8 ratings) | 4.3 (1.6K ratings) — better |
| Positive reviews | 66.7% of reviews — better | 29.6% of reviews |
| Number of ratings | 8 | 1.6K — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 455 MB |
| Age rating | 4+ | 4+ |
| Developer | Kicker | Shenzhen Kingbolen Electrics Technology Co., Ltd. |
Customer experience
TweEQ
Ediag
Bugs and requests
TweEQ
Not enough reviews yet to summarise bugs or 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
In-app purchases
TweEQ
No in-app purchases
Ediag
No in-app purchases
