# Instruments vs Idaho DMV Practice Test Prep

The clearest difference is price: Idaho DMV Practice Test Prep at Free against Instruments's $1.99. Instruments's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Idaho DMV Practice Test Prep is free to download; Instruments costs $1.99 up front. Idaho DMV Practice Test Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Instruments asks for nothing beyond the download.

Instruments ships an update every 6 months, Idaho DMV Practice Test Prep every 4 months. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Instruments | Idaho DMV Practice Test Prep |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instruments/id609722633/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 24 MB | 9 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Burdin](https://appshunter.io/developer/511622913) | [Oleksiy Izmestyev](https://appshunter.io/developer/1661590066) |

## 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


### Idaho DMV Practice Test Prep

[App page](https://appshunter.io/ios/app/idaho-dmv-practice-test-prep/id6748280444)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium | $6.99 | per 7 days |
| 1 Month Premium | $9.99 | per month |
| Premium Permanently | $14.99 | one-time |


## Frequently asked questions

### Is Instruments free?

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

### Is Idaho DMV Practice Test Prep free?

Idaho DMV Practice Test Prep is free to download, with in-app purchases available.

### Do Instruments or Idaho DMV Practice Test Prep have ads?

Neither Instruments nor Idaho DMV Practice Test Prep shows ads.

### Which is updated more often, Instruments or Idaho DMV Practice Test Prep?

Instruments ships an update every 6 months, and Idaho DMV Practice Test Prep every 4 months. Most recently, Instruments was updated on September 18, 2026 and Idaho DMV Practice Test Prep on September 11, 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.*