EZdiag vs ThinkDriver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EZdiag
This diagnostic tool connects to your smartphone to perform full-system vehicle diagnostics. It offers bi-directional capabilities for quick and easy troubleshooting, with optional manufacturer-specific software available for purchase.
- Smartphone-based OBDII diagnostics
- Full-system diagnostics
- Bi-directional capabilities
- Manufacturer-specific software options
- Portable and powerful device
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EZdiag is a smart phone based OBDII diagnostic tool designed with the professional technician in mind. The device is small and portable, yet powerful enough to rival its competitors. Users have the option to purchase manufacturer specific carline software based on their needs. This feature allows for full-system diagnostics including bi-directional capabilities, quickly and easily from the convenience of your smart phone.
ThinkDriver
This diagnostic tool allows car owners to perform full system vehicle checks, going beyond standard OBDII functionality. It provides immediate insights into potential car issues, acting as a comprehensive helper for vehicle maintenance.
- Full system vehicle diagnostics
- Advanced OBDII alternative
- Immediate issue detection
- DIY car maintenance helper
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THINKDRIVER, a DIY diagnostic product, which is extremely close to professional diagnostic tools, goodbye to normal OBDII dongle. THINKDRIVER can let all car owners to test the full system of the vehicle, much more than the OBDII. Now, THINKDRIVER will be the best helper for every car owner! This is the ultimate car diagnostic connector that allows you to easily and immediately know whether you should be aware of any issues with your car.
Screenshots
Verdict
The clearest difference is review sentiment: ThinkDriver at 58% against EZdiag's 8%. ThinkDriver also leads on rating (4.5 vs 1.6) and ratings volume (270 vs 40). EZdiag's advantage is monetization model (free with in-app purchases vs paid). 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.
ThinkDriver holds the better App Store score, 4.5 against 1.6. That said, the two scores are not equally well evidenced: ThinkDriver has 270 ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 8% of EZdiag's written reviews are positive against 58% of ThinkDriver's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | EZdiag | ThinkDriver |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (40 ratings) | 4.5 (270 ratings) — better |
| Positive reviews | 8.1% of reviews | 57.6% of reviews — better |
| Number of ratings | 40 | 270 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 17 MB | 325 MB |
| Age rating | 4+ | 17+ |
| Developer | Launch Tech Co., Ltd | THINKCAR INC |
Customer experience
EZdiag
ThinkDriver
Bugs and requests
EZdiag
Not enough reviews yet to summarise bugs or requests.
ThinkDriver
Reported bugs
10 issues- Keeps shutting down during scan
- Scanner does not work
- Not working with 2022 subscription update
- Device won't work after getting a new phone
- Keeps asking to activate device, then pay again
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- Doesn't recognize older cars (pre-2014)
- App ALWAYS crashes
- Machine doesn't read VIN
- App falls when needing special functions
- Doesn't work when VIN manual entry fails
Requested features
2 requests- Add payment with Apple Cash
- Install just a code scanner icon
In-app purchases
EZdiag
No in-app purchases
ThinkDriver
No in-app purchases
