# ZenStar vs TTLock (Official)

The clearest difference is ads: ZenStar at none against TTLock (Official)'s shown. ZenStar also leads on update cadence (every 4 days vs every 6 weeks). TTLock (Official)'s advantage is iOS requirement (13.0 vs 15.1). On price, 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.

ZenStar ships an update every 4 days, TTLock (Official) every 6 weeks. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | ZenStar | TTLock (Official) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 24 MB | 408 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [成杰 孙](https://appshunter.io/developer/1817070063) | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) |

## What reviewers say

### ZenStar

[App page](https://appshunter.io/ios/app/zenstar/id6747140915)

**Features:** macOS Compatibility

**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 ZenStar free?

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

### Is TTLock (Official) free?

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

### Do ZenStar or TTLock (Official) have ads?

TTLock (Official) shows ads; ZenStar does not.

### Which is updated more often, ZenStar or TTLock (Official)?

ZenStar ships an update every 4 days, and TTLock (Official) every 6 weeks. Most recently, ZenStar was updated on September 20, 2026 and TTLock (Official) on September 12, 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.*