# JCI GO vs THINKCAR Ma

The clearest difference is update cadence: THINKCAR Ma at every 6 weeks against JCI GO's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

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

JCI GO ships an update every 19 months, THINKCAR Ma every 6 weeks. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | JCI GO | THINKCAR Ma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/thinkcar-ma/id1660167128/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 23 MB | 464 MB |
| Requires iOS | 16.1.1 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EIGHT JAPAN, K.K.](https://appshunter.io/developer/1615500258) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## What reviewers say

### JCI GO

[App page](https://appshunter.io/ios/app/jci-go/id1615500256)

**In-app purchases:** none


### THINKCAR Ma

[App page](https://appshunter.io/ios/app/thinkcar-ma/id1660167128)

This app provides comprehensive vehicle system diagnostics, including OBD functions and maintenance resets. It also supports ADAS calibration for lane departure warning systems and generates diagnostic reports.

**Highlights:** Vehicle system diagnosis, OBD functions, Maintenance reset, Diagnostic report generation, ADAS calibration, LDW support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JCI GO free?

JCI GO is free to download, with no in-app purchases.

### Is THINKCAR Ma free?

THINKCAR Ma is free to download, with no in-app purchases.

### Do JCI GO or THINKCAR Ma have ads?

Neither JCI GO nor THINKCAR Ma shows ads.

### Which is updated more often, JCI GO or THINKCAR Ma?

JCI GO ships an update every 19 months, and THINKCAR Ma every 6 weeks. Most recently, JCI GO was updated on October 11, 2026 and THINKCAR Ma on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*