# Klapp vs NIM Master

The clearest difference is price: Klapp at Free against NIM Master's $0.99. Klapp also leads on rating (4.1 vs 1.0) and update cadence (weekly vs every 16 months). NIM Master's advantage is iOS requirement (12.0 vs 15.0). On ads and in-app purchases there is nothing between them.

Klapp is free to download; NIM Master costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Klapp holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Klapp has 21 ratings behind it against 1, so its average is the more settled of the two.

Klapp ships an update weekly, NIM Master every 16 months. The most recent releases landed on October 21, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | Klapp | NIM Master |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.1 (21 ratings)](https://appshunter.io/ios/app/klapp-school-communication/id1247557480/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/nim-master/id1412910962/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 16 months |
| Monetization | **Free** | Paid |
| Size | 87 MB | 29 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klapp GmbH](https://appshunter.io/developer/1247557479) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Klapp

[App page](https://appshunter.io/ios/app/klapp-school-communication/id1247557480)

This app streamlines communication between schools, parents, and students. It facilitates message and file sharing, manages appointments and absences, and integrates video conferencing, replacing traditional paper-based communication methods.

**Highlights:** Private messaging and chat, File sharing, Appointment and absence management, Calendar synchronization, Integrated video conferencing

**Features:** Vision Pro support

**In-app purchases:** none


### NIM Master

[App page](https://appshunter.io/ios/app/nim-master/id1412910962)

Learn strategic thinking with a classic game of logic. This app offers an interactive board to practice winning strategies, with options to play against a computer or a friend. Enjoy fun sound effects and an engaging design that develops logical reasoning skills.

**Highlights:** Interactive game board, Develop winning strategies, Play against computer, Logical thinking development, Customizable win/loss conditions, Sound effects and speech

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klapp free?

Klapp is free to download, with no in-app purchases.

### Is NIM Master free?

NIM Master costs $0.99, with no in-app purchases.

### Which has better reviews, Klapp or NIM Master?

Klapp is rated higher. Klapp averages 4.1 out of 5 from 21 ratings, while NIM Master averages 1.0 from 1 ratings.

### Do Klapp or NIM Master have ads?

Neither Klapp nor NIM Master shows ads.

### Which is updated more often, Klapp or NIM Master?

Klapp ships an update weekly, and NIM Master every 16 months. Most recently, Klapp was updated on October 21, 2026 and NIM Master on June 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*