# Notindo vs Probability Practice

The clearest difference is device support: Probability Practice at 3 against Notindo's 1. Probability Practice also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Notindo | Probability Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/notindo/id6738400049/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 1 MB | 31 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Murat Unlu](https://appshunter.io/developer/1761385551) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Notindo

[App page](https://appshunter.io/ios/app/notindo/id6738400049)

Master the music staff with this app designed to make learning notes on the treble and bass clef easy. It offers quick and fun challenges to test your speed and accuracy, making it ideal for beginners on their musical journey.

**Highlights:** Master music staff, Learn treble and bass clef, Quick and fun challenges, Test speed and accuracy, Beginner-friendly design, Practice on the go

**Features:** macOS Compatibility

**In-app purchases:** none


### Probability Practice

[App page](https://appshunter.io/ios/app/probability-practice/id6760345315)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Notindo free?

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

### Is Probability Practice free?

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

### Do Notindo or Probability Practice have ads?

Neither Notindo nor Probability Practice shows ads.

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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.*