# Optical Calculator for ECPs — user reviews

> 2 indexed App Store user reviews of Optical Calculator for ECPs by Lens Shapers, rated 4.50/5 from 27 ratings.

- Source: https://appshunter.io/ios/app/optical-calculator-for-ecps/id1146297178/reviews
- App overview in markdown: https://appshunter.io/ios/app/optical-calculator-for-ecps/id1146297178.md
- Rating breakdown: 5★ 21 · 4★ 3 · 3★ 1 · 2★ 0 · 1★ 2

## Most critical reviews (2 lowest-rated)

### 1/5 — All features are locked out

*2021-07-28*

No way to know if the app is useful with everything locked out. not gonna pay to find out

**Developer response:** You get a 3 days trial to find out if you like it. Cancel any time within 3 days if you do not like it and you do not pay anything.

### 1/5 — No stars rip off

*2018-08-19*

Just crashes how do Apple let this rip off steal my money, support don’t want to know, #stealing

**Developer response:** Please email us at support@lens-shapers.com if you are still facing this issue and we will help you fix it.

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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 2026-09-02.*