# Timer 555 Calculator — user reviews

> 4 indexed App Store user reviews of Timer 555 Calculator by Siu Yuen Ho, rated 3.90/5 from 8 ratings.

- Source: https://appshunter.io/ios/app/timer-555-calculator/id834044557/reviews
- App overview in markdown: https://appshunter.io/ios/app/timer-555-calculator/id834044557.md
- Rating breakdown: 5★ 5 · 4★ 1 · 3★ 0 · 2★ 0 · 1★ 2

## Most critical reviews (4 lowest-rated)

### 5/5 — Пользователь.

*2018-10-09*

Не смотря на простоту программы, лично мне нравиться и интерфейс и выполняемые ею функции.

### 5/5 — Good app

*2018-07-26*

It was a very good app and easy to use and I have used it multiple times with no issues whatsoever.

### 5/5 — Good, simple

*2015-01-08*

Nice little 555 timer App. Great for most common 555 applications. It would be nice if other circuits found in books like the 555 Timer Cookbook would be included too.

### 5/5 — Excellent Tool

*2014-10-14*

This application is easy to use and very useful

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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 2026-08-28.*