# ZSTL vs Appliance Code Hub Pro

ZSTL and Appliance Code Hub Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ZSTL | Appliance Code Hub Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/zstl/id6745016964/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 44 MB | 19 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [召 李](https://appshunter.io/developer/1740123808) | [明道通途](https://appshunter.io/developer/909638339) |

## What reviewers say

### ZSTL

[App page](https://appshunter.io/ios/app/zstl/id6745016964)

This tool simplifies device access using QR codes and Bluetooth. It offers quick pairing and one-tap unlocking for various smart devices, ensuring a secure and efficient connection experience.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Appliance Code Hub Pro

[App page](https://appshunter.io/ios/app/appliance-code-hub-pro/id6794996792)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZSTL free?

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

### Is Appliance Code Hub Pro free?

Appliance Code Hub Pro is free to download, with no in-app purchases.

### Do ZSTL or Appliance Code Hub Pro have ads?

Neither ZSTL nor Appliance Code Hub Pro shows ads.

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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.*