ThinkDriver vs EasyDiag4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
EasyDiag4
This application connects to your vehicle via Bluetooth to perform comprehensive fault diagnosis across various systems. It supports reading and clearing diagnostic trouble codes, viewing data streams, and resetting service lamps, catering to the needs of the vehicle maintenance market.
- Bluetooth vehicle data interaction
- One-click intelligent diagnosis
- Full system fault diagnosis
- Read DTCs
- Read Data Streams
- Clear DTCs
- Reset Service Lamp
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EasyDiag4 vehicle diagnostic application is a vehicle fault diagnosis tool software developed based on the mobile intelligent terminal platform. It is suitable for the vehicle maintenance market. It uses a dedicated connector to perform data Bluetooth interaction with the vehicle and supports one-click intelligent diagnosis. It can realize fault diagnosis for full systems such as power system and safety system, involving Read DTCs, Read Data Streams, Clear DTCs, and Reset Service Lamp. The software contains EOBD, maintenance and special function software, mainstream model diagnostic software, etc. It can meet the actual needs of most users for testing vehicles.
Screenshots
Verdict
The clearest difference is review sentiment: ThinkDriver at 58% against EasyDiag4's 0%. ThinkDriver also leads on rating (4.5 vs 2.9) and update cadence (monthly vs every 18 months). EasyDiag4's advantage is monetization model (free vs paid). 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.
ThinkDriver holds the better App Store score, 4.5 against 2.9. That said, the two scores are not equally well evidenced: ThinkDriver has 270 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 58% of ThinkDriver's written reviews are positive against 0% of EasyDiag4's.
ThinkDriver ships an update monthly, EasyDiag4 every 18 months. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.
| Parameter | ThinkDriver | EasyDiag4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (270 ratings) — better | 2.9 (19 ratings) |
| Positive reviews | 57.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 270 — better | 19 |
| Update frequency | Monthly — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 325 MB | 114 MB |
| Age rating | 17+ | 17+ |
| Developer | THINKCAR INC | Launch Tech Co., Ltd |
Customer experience
ThinkDriver
EasyDiag4
Bugs and 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
EasyDiag4
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ThinkDriver
No in-app purchases
EasyDiag4
No in-app purchases
