# Instruments Free vs Proof Audio Analyzer

The clearest difference is in-app purchases: Instruments Free at none against Proof Audio Analyzer's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Proof Audio Analyzer sells 1 one-off in-app purchase. Instruments Free asks for nothing beyond the download.

## The numbers

| Metric | Instruments Free | Proof Audio Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/instruments-free/id793822280/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 51.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Free | — |
| Size | 30 MB | 6 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Burdin](https://appshunter.io/developer/511622913) | [Warren Labs](https://appshunter.io/developer/6792763836) |

## What reviewers say

### Instruments Free

[App page](https://appshunter.io/ios/app/instruments-free/id793822280)

Explore a vibrant sound picture book with a collection of musical instruments. Tap images to hear their authentic sounds and see their names spoken in one of 78 languages. Ideal for early learning and language development.

**Highlights:** Interactive sound picture book, Real instrument sounds, Spoken instrument names, Supports 78 languages, Adjustable slideshow mode, Offline functionality, Parental gate

**Features:** macOS Compatibility

**In-app purchases:** none


### Proof Audio Analyzer

[App page](https://appshunter.io/ios/app/proof-audio-analyzer/id6813702023)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Measuring | $79.00 | one-time |


## Frequently asked questions

### Is Instruments Free free?

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

### Is Proof Audio Analyzer free?

Proof Audio Analyzer is free to download, with in-app purchases available.

### Do Instruments Free or Proof Audio Analyzer have ads?

Neither Instruments Free nor Proof Audio Analyzer 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.*