# VDD by D5T5.com vs ThinkDiag+

The clearest difference is monetization model: VDD by D5T5.com at free against ThinkDiag+'s free with in-app purchases. ThinkDiag+'s advantage is update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (12.0 vs 18.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

VDD by D5T5.com ships an update every 6 weeks, ThinkDiag+ every 3 weeks. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | VDD by D5T5.com | ThinkDiag+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4.3K ratings)](https://appshunter.io/ios/app/thinkdiag-plus/id1483420979/reviews)** |
| Number of ratings | — | **4.3K** |
| Positive reviews | **80.0% of reviews** | 74.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 149 MB | 539 MB |
| Requires iOS | 18.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [D5T5 s.r.o.](https://appshunter.io/developer/1427315837) | [THINKCAR INC](https://appshunter.io/developer/1464847379) |

## What reviewers say

### VDD by D5T5.com

[App page](https://appshunter.io/ios/app/vdd-by-d5t5com/id1427315838)

Access comprehensive information about your Volvo vehicle. Remotely control features like the fuel heater and ventilation system, and track your car's location.

**Highlights:** View vehicle information, Activate remote functions, Start fuel heater, Start ventilation, Track car location

**Features:** macOS Compatibility

**In-app purchases:** none


### ThinkDiag+

[App page](https://appshunter.io/ios/app/thinkdiag-plus/id1483420979)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Powerful diagnostic capabilities
- 🚀 Affordable price
- 🚀 Helpful customer support
- 🚀 Versatile for DIY and professionals

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Compatibility issues with certain vehicles
- 🔒 Concerns about annual subscription fees
- 🔒 Limited functionality on iOS devices

**Reported bugs**

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

**Requested features**

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


## Frequently asked questions

### Is VDD by D5T5.com free?

VDD by D5T5.com is free to download, with no in-app purchases.

### Is ThinkDiag+ free?

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

### Do VDD by D5T5.com or ThinkDiag+ have ads?

Neither VDD by D5T5.com nor ThinkDiag+ shows ads.

### Which is updated more often, VDD by D5T5.com or ThinkDiag+?

VDD by D5T5.com ships an update every 6 weeks, and ThinkDiag+ every 3 weeks. Most recently, VDD by D5T5.com was updated on October 3, 2026 and ThinkDiag+ on October 16, 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.*