# DiDiTech vs TTLock (Official)

The clearest difference is device support: TTLock (Official) at 4 against DiDiTech's —. DiDiTech's advantage is iOS requirement (9.0 vs 13.0). On price 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.

## The numbers

| Metric | DiDiTech | TTLock (Official) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 130 MB | 408 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [锦欢 林](https://appshunter.io/developer/1474575410) | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) |

## What reviewers say

### DiDiTech

[App page](https://appshunter.io/ios/app/diditech/id1604756670)

**In-app purchases:** none


### TTLock (Official)

[App page](https://appshunter.io/ios/app/ttlock-official/id6772027100)

Unlock doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any assistance.

**Highlights:** Bluetooth door unlocking, Requires compatible hardware, In-app support contact, Supports multiple Apple devices

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DiDiTech free?

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

### Is TTLock (Official) free?

TTLock (Official) is free to download, with no in-app purchases.

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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.*