# Instruments vs Pi Deliberate

The clearest difference is price: Pi Deliberate at Free against Instruments's $1.99. Pi Deliberate also leads on iOS requirement (15.1 vs 17.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Pi Deliberate is free to download; Instruments costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Instruments against 5.0 for Pi Deliberate. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Instruments | Pi Deliberate |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/instruments/id609722633/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pi-deliberate/id6757496426/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Paid | **Free** |
| Size | 24 MB | 25 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Burdin](https://appshunter.io/developer/511622913) | [Byeongsoo Kim](https://appshunter.io/developer/1440292411) |

## What reviewers say

### Instruments

[App page](https://appshunter.io/ios/app/instruments/id609722633)

Explore a vibrant collection of 55 musical instruments with interactive sound and visuals. Learn instrument names and sounds in 78 languages, perfect for young children and language learners. This offline app offers a safe, ad-free, and engaging musical discovery experience.

**Highlights:** 55 interactive musical instruments, Real sounds and spoken names, Supports 78 languages, Offline functionality, Adjustable slideshow mode, Parental gate for settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Pi Deliberate

[App page](https://appshunter.io/ios/app/pi-deliberate/id6757496426)

This app uses memorizing digits of pi to train expertise through deliberate practice. It provides a valid environment, repetitions, and timely feedback to foster recognition, memory, and intuition.

**Highlights:** Memorize digits of pi, Deliberate practice training, Timely feedback on accuracy, Track progress based on mastery, Learn using chunking method, Develop recognition and memory

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Instruments free?

Instruments costs $1.99, with no in-app purchases.

### Is Pi Deliberate free?

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

### Which has better reviews, Instruments or Pi Deliberate?

Instruments and Pi Deliberate are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Instruments or Pi Deliberate have ads?

Neither Instruments nor Pi Deliberate 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.*