# CodeCrush Pro vs Sine

The clearest difference is in-app purchases: CodeCrush Pro at none against Sine's 3. Sine's advantage is chart position (#103 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sine sells 3 in-app purchases, starting at $1.99 per month. CodeCrush Pro asks for nothing beyond the download.

## The numbers

| Metric | CodeCrush Pro | Sine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (60 ratings)](https://appshunter.io/ios/app/sine-ear-training-games/id6809608874/reviews)** |
| Number of ratings | — | **60** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | — | Freemium |
| Best chart rank | — | **#103** |
| Size | 2 MB | 89 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gustaf Jensen](https://appshunter.io/developer/1770954244) | [Ethan Liao](https://appshunter.io/developer/6809608877) |

## What reviewers say

### CodeCrush Pro

[App page](https://appshunter.io/ios/app/codecrush-pro/id6759711502)

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

**In-app purchases:** none


### Sine

[App page](https://appshunter.io/ios/app/sine-ear-training-games/id6809608874)

**Currently charting:** #103 Top Free · Education (US App Store)

Develop your ear for music with interactive games and personalized practice. Learn to identify notes and chords through engaging exercises designed to improve your musical perception. Track your progress and earn badges as you master your auditory skills.

**Highlights:** Note and chord identification, Progressive difficulty levels, Interactive ear training games, Personalized practice sessions, Progress tracking and statistics, Badge collection system

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Encore Monthly | $1.99 | per month |
| Encore Yearly | $14.99 | per year |
| Encore Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is CodeCrush Pro free?

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

### Is Sine free?

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

### Do CodeCrush Pro or Sine have ads?

Neither CodeCrush Pro nor Sine 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.*