# JuniorIQ vs 100 Music

The clearest difference is in-app purchases: JuniorIQ at none against 100 Music's 1. JuniorIQ also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 100 Music sells 1 one-off in-app purchase. JuniorIQ asks for nothing beyond the download.

JuniorIQ ships an update every 2 days, 100 Music every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JuniorIQ | 100 Music |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 79 MB | 77 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Bhavesh Surani](https://appshunter.io/developer/1541303018) | [Sami Kuribara](https://appshunter.io/developer/1891970492) |

## What reviewers say

### JuniorIQ

[App page](https://appshunter.io/ios/app/junioriq/id6747663608)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100 Music

[App page](https://appshunter.io/ios/app/100-music-instruments/id6762078610)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - All 100 Instruments | $3.99 | one-time |


## Frequently asked questions

### Is JuniorIQ free?

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

### Is 100 Music free?

100 Music is free to download, with in-app purchases available.

### Do JuniorIQ or 100 Music have ads?

Neither JuniorIQ nor 100 Music shows ads.

### Which is updated more often, JuniorIQ or 100 Music?

JuniorIQ ships an update every 2 days, and 100 Music every 6 days. Most recently, JuniorIQ was updated on October 30, 2026 and 100 Music on October 31, 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.*