# FMN Tester — FM Factory Tool for ZiZai

> FM Factory Tool for ZiZai (iPhone/iPad app by Beijing Zizai Technology Co.,Ltd..)

- Source: https://appshunter.io/ios/app/fmn-tester/id6761606594 (this page in markdown: same URL + `.md`)
- Developer: [Beijing Zizai Technology Co.,Ltd.](https://appshunter.io/developer/736738603)
- Category: Utilities, Developer Tools
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 9 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-06-12
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/fmn-tester/id6761606594/reviews.md

## What is FMN Tester?

FM Factory Tool

FM Factory Tool is a professional testing and management application designed for Find My Network accessory manufacturers, supporting production line testing, customer product demonstrations, and after-sales device handling.

【Core Features】

Multi-Protocol Device Scanning
• Support for FMNA, FMDN, Nut, Nutale, HWTag protocols
• Real-time Bluetooth device scanning with RSSI display
• Quick filtering and target device localization

UWB Ranging & Direction
• Ultra-Wideband precision distance measurement
• 3D spatial direction indicator with real-time arrow navigation
• ARKit augmented reality support

Device Configuration & Management
• Automatic Serial Number, Token, and Extra Data writing
• MFI Plan and Fast Pair device data synchronization
• Production task tracking with PPID management

Professional Testing Reports
• Local SQLite database for test record storage
• Data export and synchronization support
• Complete production traceability

【Use Cases】
• Find My Network accessory production line testing
• Bluetooth tracker factory testing
• UWB device function validation
• E-INK device function validation and demonstration
• Third-party accessory compatibility testing
• Customer product demonstrations and showcases
• After-sales device diagnostics and handling


## Version history (last 5 releases)

### 0.6.7 — 2026-08-18

Latest Updates:
· Improve stability.
· Bug fixes.

### 0.6.6 — 2026-08-10

Latest Updates:
· Improve stability.
· Bug fixes.

### 0.6.4 — 2026-08-04

Latest Updates:
· Improve stability.
· Bug fixes.

### 0.6.1 — 2026-07-02

Latest Updates:
· Improve stability.
· Bug fixes.

### 0.5.2 — 2026-06-12

No release notes.

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## More apps by Beijing Zizai Technology Co.,Ltd.

- [Nut - Smart Tracker](https://appshunter.io/ios/app/nut-smart-tracker/id736738600)
- [Findthing - Smart Finder](https://appshunter.io/ios/app/findthing-smart-finder/id1512559798)
- [FindPin](https://appshunter.io/ios/app/findpin/id6781525617)
- [EinkPin](https://appshunter.io/ios/app/einkpin/id6793908983)

All apps by Beijing Zizai Technology Co.,Ltd.: https://appshunter.io/developer/736738603

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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 2026-08-24.*