# SIDEN

> SIDEN (iPhone/iPad app by VivoKey Japan LLC.)

- Source: https://appshunter.io/ios/app/siden/id6752128234 (this page in markdown: same URL + `.md`)
- Developer: [VivoKey Japan LLC](https://appshunter.io/developer/1463916189)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 68 MB
- Languages: English, Japanese
- Released: 2026-03-12
- Data updated: 2026-07-09
- User reviews in markdown: https://appshunter.io/ios/app/siden/id6752128234/reviews.md

## What is SIDEN?

SIDEN is a utility app for xSIID / NExT v2 users to manage NFC chip data quickly and safely.

Key features:
• Read NFC tags and view UID + NDEF records
• Write links and payloads from customizable dashboard tiles
• Scan QR codes to add or write URLs
• Import links from Share Sheet (URL, text, or QR image)
• Reorder, edit, and style tiles (icon, color, title)
• Memory Dump tools for Sector 0 inspection
• Initialize NDEF and Full Wipe tools for maintenance
• Local-first design with iCloud sync
• No tracking and no analytics collection

SIDEN is designed for fast daily use, diagnostics, and demo/showcase workflows for xSIID/NExT v2.


## Version history (last 1 release)

### 1.5 — 2026-03-13

No release notes.

## More apps by VivoKey Japan LLC

- [RZ Blue](https://appshunter.io/ios/app/rz-blue/id1463916190)
- [RZBL](https://appshunter.io/ios/app/rzbl/id1504002170)

All apps by VivoKey Japan LLC: https://appshunter.io/developer/1463916189

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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 2026-07-09.*