# 酸素ボンベの残量計算 / O2Calc — user reviews

> 1 indexed App Store user reviews of 酸素ボンベの残量計算 / O2Calc by Kazuhiro Higuchi.

- Source: https://appshunter.io/ios/app/o2calc/id6765861239/reviews
- App overview in markdown: https://appshunter.io/ios/app/o2calc/id6765861239.md

## Most critical reviews (1 lowest-rated)

### 4/5 — スマートウォッチで使いたい

*2026-07-02*

スマートウォッチでも使えるようにして欲しいです！
スマホ持って仕事できなくて。
かなり利便性増すと思います！

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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 2026-09-06.*