# Tu vs OBDThink

The clearest difference is in-app purchases: Tu at none against OBDThink's 4. Tu also leads on iOS requirement (12.0 vs 17.6). OBDThink's advantage is update cadence (every 4 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. OBDThink sells 4 in-app purchases, starting at $6.99 per 7 days. Tu asks for nothing beyond the download.

Tu ships an update every 7 months, OBDThink every 4 weeks. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tu | OBDThink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Size | 28 MB | 43 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michal Smolarek](https://appshunter.io/developer/1658384301) | [TOPRAK TEKIN](https://appshunter.io/developer/1849139351) |

## What reviewers say

### Tu

[App page](https://appshunter.io/ios/app/tu-du/id1658384299)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDThink

[App page](https://appshunter.io/ios/app/obdthink/id6754601889)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDThink Tam Sürüm Haftalık paket | $6.99 | per 7 days |
| OBDThink Tam Sürüm Aylık paket | $12.99 | per month |
| OBDThink Tam Sürüm Yıllık paket | $44.99 | per year |
| OBDThink Tam Sürüm | $79.99 | one-time |


## Frequently asked questions

### Is Tu free?

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

### Is OBDThink free?

OBDThink is free to download, with in-app purchases available.

### Do Tu or OBDThink have ads?

Neither Tu nor OBDThink shows ads.

### Which is updated more often, Tu or OBDThink?

Tu ships an update every 7 months, and OBDThink every 4 weeks. Most recently, Tu was updated on October 27, 2026 and OBDThink on October 9, 2026.

---

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