# TuTuLock vs ThinkSign_LedLinkBle

The clearest difference is update cadence: ThinkSign_LedLinkBle at every 6 days against TuTuLock's every 22 months. TuTuLock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, 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.

TuTuLock ships an update every 22 months, ThinkSign_LedLinkBle every 6 days. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | TuTuLock | ThinkSign_LedLinkBle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/tutulock/id6738161352/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 413 MB | 25 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WENZHOU CONGLIAN Technology Co., Ltd](https://appshunter.io/developer/1779641882) | [xiangjun zhao](https://appshunter.io/developer/1848082622) |

## What reviewers say

### TuTuLock

[App page](https://appshunter.io/ios/app/tutulock/id6738161352)

Control your smart door lock directly from your smartphone. This utility app allows for convenient management of your home's security. It offers a simple interface for locking and unlocking your door remotely.

**Highlights:** Smartphone lock management, Remote door control, Simple user interface, Secure access

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

**In-app purchases:** none


### ThinkSign_LedLinkBle

[App page](https://appshunter.io/ios/app/thinksign-ledlinkble/id6757172262)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TuTuLock free?

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

### Is ThinkSign_LedLinkBle free?

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

### Do TuTuLock or ThinkSign_LedLinkBle have ads?

Neither TuTuLock nor ThinkSign_LedLinkBle shows ads.

### Which is updated more often, TuTuLock or ThinkSign_LedLinkBle?

TuTuLock ships an update every 22 months, and ThinkSign_LedLinkBle every 6 days. Most recently, TuTuLock was updated on September 18, 2026 and ThinkSign_LedLinkBle on September 9, 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.*