Comparison

ThinkDiag+ vs FreeGo BT

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ThinkDiag+

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

Highlights
  • OE-level diagnostic functions
  • Full OBD II diagnosis
  • Special maintenance functions
  • Supports 100+ vehicle brands
  • Automatic VIN reading
  • Professional diagnostic reports
  • In-app user community
Features
Read full description

1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3. Support vehicle maintenance light return to normal. 4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports. 7. Be able to communicate with other users within the ThinkDiag community (share/help/support). Not only for "ThinkDiag" and "ThinkDiag 2" device, but also works for "ThinkDiag Mini", "ThinkDirver", and "Thinkcar Pro" devices. ThinkDiag, an innovative vehicle diagnostic tool, is specially designed for repair technicians, small and medium-sized repair shops, and DIYers, to achieve the original manufacturer level diagnostic performance. It supports more than 100 vehicle brands of diagnostic services, including 15 special maintenance reset functions. ThinkDiag is as good as those comprehensive diagnostic equipment costed thousands of dollars. ThinkDiag is also an intelligent diagnostic device. Connecting with smartphone via Bluetooth, it is controlled to work by app. In the app, there is a diagnostic software store, and users can subscribe for diagnostic software according to their needs. ***Contact Us W: www.mythinkcar.com E: service@mythinkcar.com P: +1 833-692-2766 2151 S Haven Ave Unit 203 Ontario CA 91761 USA

About

FreeGo BT

Features
Read full description

FreeGo Car Alarm, The mobile phone Bluetooth remote controller controls the host through Bluetooth Ble, Bluetooth HID implementation, automatic switch lock function

Screenshots

ThinkDiag+4 screens
FreeGo BT2 screens

Verdict

The call

The clearest difference is update cadence: ThinkDiag+ at every 3 weeks against FreeGo BT's every 22 months. ThinkDiag+ also leads on iOS requirement (12.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ThinkDiag+ ships an update every 3 weeks, FreeGo BT every 22 months. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
ThinkDiag+ versus FreeGo BT: the parameters behind the verdict, then further details
ParameterThinkDiag+FreeGo BT
PriceFreeFree
Rating4.5 (4.4K ratings) — better—
Positive reviews74.1% of reviews—
Number of ratings4.4K — better—
Update frequencyEvery 3 weeks — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size539 MB57 MB
Age rating17+4+
DeveloperTHINKCAR INCShenzhen Zhongxinyou M2M Technology Co., Ltd.

Bugs and requests

ThinkDiag+

Reported bugs

3 issues
  • Failure to recognize VIN or vehicle information
  • Inability to clear certain error codes
  • Inconsistent performance across different devices

Requested features

4 requests
  • Improved user interface and navigation
  • More detailed troubleshooting guides
  • Expanded vehicle coverage and special functions
  • Offline mode for diagnostics

FreeGo BT

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ThinkDiag+

No in-app purchases

None

FreeGo BT

No in-app purchases

Questions

Is ThinkDiag+ free?
ThinkDiag+ is free to download, with no in-app purchases.
Is FreeGo BT free?
FreeGo BT is free to download, with no in-app purchases.
Do ThinkDiag+ or FreeGo BT have ads?
Neither ThinkDiag+ nor FreeGo BT shows ads.
Which is updated more often, ThinkDiag+ or FreeGo BT?
ThinkDiag+ ships an update every 3 weeks, and FreeGo BT every 22 months. Most recently, ThinkDiag+ was updated on October 25, 2026 and FreeGo BT on October 4, 2026.

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