# ZSTL — ZSTL

> Smart QR code and Bluetooth device unlocking tool. (iPhone/iPad app by 召 李.)

- Source: https://appshunter.io/ios/app/zstl/id6745016964 (this page in markdown: same URL + `.md`)
- Developer: [召 李](https://appshunter.io/developer/1740123808)
- Category: Utilities, Lifestyle
- Price: Free
- Rating: 4.70/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 44 MB
- Languages: American English
- Released: 2025-05-05
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/zstl/id6745016964/reviews.md

## What is ZSTL?

This is a smart and convenient unlocking tool designed specifically for devices that support QR code and Bluetooth connectivity. With just a simple scan, users can quickly pair via Bluetooth and unlock the device — efficiently, securely, and effortlessly.

Whether it's a shared bike, smart lock, or smart cabinet, we deliver a fast and stable connection experience tailored for your needs.

Key Features:
Automatically recognize devices by scanning QR codes

Quick Bluetooth pairing without complicated setup

One-tap unlock with lightning-fast response

Supports various types of smart devices

Secure encrypted connections to protect your data

Download now and step into a smarter, more convenient lifestyle!

## Key features

- QR code device recognition
- Quick Bluetooth pairing
- One-tap unlocking
- Supports various smart devices
- Secure encrypted connections


## Frequently asked questions about ZSTL

### What devices can ZSTL unlock?

ZSTL is designed to unlock various smart devices that support QR code and Bluetooth connectivity, such as shared bikes, smart locks, and smart cabinets.

### How does ZSTL ensure security?

ZSTL utilizes secure encrypted connections to protect your data during the pairing and unlocking process, ensuring a safe experience.

### Is ZSTL easy to set up?

Yes, ZSTL offers quick Bluetooth pairing without complicated setup. You can automatically recognize devices by scanning QR codes for a seamless experience.

### What is the rating for ZSTL?

ZSTL has a high rating of 4.7 stars based on 3 user reviews, indicating a positive user experience.

### What platforms does ZSTL support?

ZSTL is currently available for iPhone and iPod devices.

### How often is ZSTL updated?

The latest version of ZSTL is 1.1.0, and it was last updated on September 9, 2025, suggesting active development and maintenance.

### Does ZSTL have ads?

No, ZSTL does not contain advertisements, providing an uninterrupted user experience.

### What is the age rating for ZSTL?

ZSTL has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 3 releases)

### 1.1.0 — 2025-09-09

fix bug

### 1.0.11 — 2025-05-09

fix bug

### 1.0.9 — 2025-05-06

No release notes.

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## More apps by 召 李

- [AI Cast Assistant](https://appshunter.io/ios/app/ai-cast-assistant/id6476958332)
- [Bestie e-INK](https://appshunter.io/ios/app/bestie-e-ink/id6502987131)
- [DeerPhoneCase](https://appshunter.io/ios/app/deerphonecase/id6503063602)
- [KINGZER](https://appshunter.io/ios/app/kingzer/id6503227764)
- [SpaceInk+](https://appshunter.io/ios/app/spaceink-plus/id6593679833)
- [ATW DBG](https://appshunter.io/ios/app/atw-dbg/id6740770057)

All apps by 召 李: https://appshunter.io/developer/1740123808

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*