# APE Optics Calculator — user reviews

> 4 indexed App Store user reviews of APE Optics Calculator by Stefan Popien, rated 4.80/5 from 4 ratings.

- Source: https://appshunter.io/ios/app/ape-optics-calculator/id639207733/reviews
- App overview in markdown: https://appshunter.io/ios/app/ape-optics-calculator/id639207733.md
- Rating breakdown: 5★ 3 · 4★ 1 · 3★ 0 · 2★ 0 · 1★ 0

## Most critical reviews (4 lowest-rated)

### 5/5 — Please upgrade for latest iOS.  Much thanks

*2021-06-28*

Great app👍

### 5/5 — IOS 14 issue

*2021-06-13*

Hello,
I would like to ask developer to update the calculator to be able to run it on iOS 14.
Thank you

### 5/5 — Uber

*2021-06-10*

Super useful, wish it worked on latest iOS, thanks apple for implementing backwards compatibility…

### 5/5 — Always loved the APE calculator!

*2013-10-08*

The tools from APE (whether it is the ruler, or the calculator on the website) have always been invaluable for my work and studies. It's great that now can use on it on the go on my iPhone. Thanks for providing this!

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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 2026-06-08.*