# Viewer DUO — user reviews

> 1 indexed App Store user reviews of Viewer DUO by satoshi amasaki.

- Source: https://appshunter.io/ios/app/viewer-duo/id6811308523/reviews
- App overview in markdown: https://appshunter.io/ios/app/viewer-duo/id6811308523.md

## Is Viewer DUO safe?

Not enough ratings yet to assess Viewer DUO.

## Is Viewer DUO legit?

Viewer DUO appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Viewer DUO is 65 out of 100 points across 7 verification signals from App Store and developer data.

## Most critical reviews (1 lowest-rated)

### 1/5 — 残念ながらduoに非対応です。

*2026-10-26*

見開きを期待して購入しましたが、duoの形式にすら対応していません。無駄金です。返金申請をしました。

---

*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 2026-11-10.*