# Knock in Doors

> Knock in Doors (iPhone/iPad app by Mikhail Dryaev.)

- Source: https://appshunter.io/ios/app/knock-in-doors/id1449843805 (this page in markdown: same URL + `.md`)
- Developer: [Mikhail Dryaev](https://appshunter.io/developer/1449843804)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 9.0 · 63 MB
- Languages: American English, Russian
- Released: 2019-01-31
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/knock-in-doors/id1449843805/reviews.md

## What is Knock in Doors?

How many doors can you open? 

Try a new, unlike other puzzle! 
“Knock in doors” is a unique project that has no analogues and is addictive from the first ... knock! 
The game helps to develop a musical ear, sense of rhythm, attentiveness and trains memory. In the form of a game will help develop all the necessary qualities for future artists, musicians and dancers. 

- Free access. 
- Ability to play without an internet connection. 
- Simple control. 
- Suitable for both adults and children. 
- It weighs a little. 
- Play conveniently on any device. 
- It has two modes (with sound and vibration mode) that will allow you to play in any situation and under any conditions. 
- Does not contain scenes of violence, profanity, does not injure the psyche.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2019-01-31

No release notes.

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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 2026-05-18.*