# ThinkCar Bay vs DND

The clearest difference is review sentiment: DND at 100% against ThinkCar Bay's 50%. DND also leads on rating (5.0 vs 3.3) and update cadence (every 8 days vs every 5 months). ThinkCar Bay's advantage is ratings volume (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DND holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 50% of ThinkCar Bay's written reviews are positive against 100% of DND's.

ThinkCar Bay ships an update every 5 months, DND every 8 days. The most recent releases landed on July 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ThinkCar Bay | DND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/thinkcar-bay/id6444782891/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dnd/id6451104638/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 215 MB | 339 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [THINKCAR INC](https://appshunter.io/developer/1464847379) | [MATL TECH INC.](https://appshunter.io/developer/1735263917) |

## What reviewers say

### ThinkCar Bay

[App page](https://appshunter.io/ios/app/thinkcar-bay/id6444782891)

This service application supports THINKCAR automotive diagnostic products. It offers tutorials, case studies, after-sales service, and online viewing of diagnostic reports. Manage your products and get assistance with their use.

**Highlights:** Product tutorials, Case studies, After-sales service, User product management, Online diagnostic report viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### DND

[App page](https://appshunter.io/ios/app/dnd/id6451104638)

This tool helps you understand your vehicle's health and diagnose issues. It provides comprehensive diagnostic services, maintenance guidance, and real-time sensor data monitoring, making car care accessible even for beginners.

**Highlights:** OBD functionality, Enhanced diagnosis, Vehicle maintenance guidance, Locate malfunction causes, AI services, Abnormal warnings, Real-time sensor data monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThinkCar Bay free?

ThinkCar Bay is free to download, with no in-app purchases.

### Is DND free?

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

### Which has better reviews, ThinkCar Bay or DND?

DND is rated higher. ThinkCar Bay averages 3.3 out of 5 from 3 ratings, while DND averages 5.0 from 1 ratings.

### Do ThinkCar Bay or DND have ads?

Neither ThinkCar Bay nor DND shows ads.

### Which is updated more often, ThinkCar Bay or DND?

ThinkCar Bay ships an update every 5 months, and DND every 8 days. Most recently, ThinkCar Bay was updated on July 19, 2026 and DND on September 17, 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.*