# Colourful Semantics Classic vs Classroom Acoustics

The clearest difference is price: Classroom Acoustics at Free against Colourful Semantics Classic's $8.99. Classroom Acoustics also leads on update cadence (every 9 days vs every 2 months). Colourful Semantics Classic's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.0). On ads and device support there is nothing between them.

Classroom Acoustics is free to download; Colourful Semantics Classic costs $8.99 up front. Classroom Acoustics sells 3 in-app purchases, starting at $4.99 per year. Colourful Semantics Classic asks for nothing beyond the download.

Colourful Semantics Classic ships an update every 2 months, Classroom Acoustics every 9 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Colourful Semantics Classic | Classroom Acoustics |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 260 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Therapy Box Limited](https://appshunter.io/developer/404445010) | [david canning](https://appshunter.io/developer/6803911547) |

## What reviewers say

### Colourful Semantics Classic

[App page](https://appshunter.io/ios/app/colourful-semantics-classic/id6569246022)

**Features:** macOS Compatibility

**In-app purchases:** none


### Classroom Acoustics

[App page](https://appshunter.io/ios/app/classroom-acoustics/id6803911544)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guided Annual | $4.99 | per year |
| Unlimited Rooms Annual | $19.99 | per year |
| Unlimited Rooms | $49.99 | one-time |


## Frequently asked questions

### Is Colourful Semantics Classic free?

Colourful Semantics Classic costs $8.99, with no in-app purchases.

### Is Classroom Acoustics free?

Classroom Acoustics is free to download, with in-app purchases available.

### Do Colourful Semantics Classic or Classroom Acoustics have ads?

Neither Colourful Semantics Classic nor Classroom Acoustics shows ads.

### Which is updated more often, Colourful Semantics Classic or Classroom Acoustics?

Colourful Semantics Classic ships an update every 2 months, and Classroom Acoustics every 9 days. Most recently, Colourful Semantics Classic was updated on October 14, 2026 and Classroom Acoustics on October 9, 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.*