# Compounds! vs Cello Coach

The clearest difference is in-app purchases: Cello Coach at none against Compounds!'s 2. Compounds!'s advantage is ads (none vs shown) and update cadence (every 3 days vs every 28 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Compounds! sells 2 in-app purchases, starting at $14.99 per month. Cello Coach asks for nothing beyond the download.

Compounds! ships an update every 3 days, Cello Coach every 28 months. The most recent releases landed on September 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Compounds! | Cello Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (270 ratings)](https://appshunter.io/ios/app/cello-coach-cello-lessons/id6504842015/reviews)** |
| Number of ratings | — | **270** |
| Positive reviews | — | 85.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 28 months |
| Monetization | — | Ad-supported |
| Size | 242 MB | 9 MB |
| Requires iOS | 16.4 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Parotid](https://appshunter.io/developer/1723685802) | [叶 李](https://appshunter.io/developer/1144762363) |

## What reviewers say

### Compounds!

[App page](https://appshunter.io/ios/app/compounds/id6475225821)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $49.99 | per year |


### Cello Coach

[App page](https://appshunter.io/ios/app/cello-coach-cello-lessons/id6504842015)

This app provides a comprehensive series of beginner cello lessons designed for self-study at home. It covers fundamental techniques, essential skills, and offers tutorials for playing with piano accompaniment. Optimized for iPhone and iPad, it's ideal for aspiring cellists.

**Highlights:** Beginner cello course series, Learn to play cello, Play cello with piano, Cello technique tutorials, Essential cello skills, Level up cello skills

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to understand lessons for beginners
- 🎓 Comprehensive video content covering various cello techniques
- 💰 Free access to quality educational material
- 🎯 Well-structured step-by-step explanations
- 👥 Helpful online learning community with group practices

**What reviewers complain about**

- 📺 Excessive ads interrupting learning experience
- 🚫 Intrusive pop-up ads that block app functionality
- ⭐ Requires 5-star rating to access some video content
- ❌ Lack of clear explanation of app sections
- 🔧 Missing important features (tuner and scales sections)

**Reported bugs**

- Pop-up ads that cannot be closed on app launch
- App becomes non-functional due to stuck ads
- Ads appearing before every video
- X button on ads not responding to user input

**Requested features**

- Tuner section for pitch accuracy
- Scales section for practice exercises
- Better organization and explanation of app sections
- Reduced or optional ad experience


## Frequently asked questions

### Is Compounds! free?

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

### Is Cello Coach free?

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

### Do Compounds! or Cello Coach have ads?

Cello Coach shows ads; Compounds! does not.

### Which is updated more often, Compounds! or Cello Coach?

Compounds! ships an update every 3 days, and Cello Coach every 28 months. Most recently, Compounds! was updated on September 27, 2026 and Cello Coach on October 16, 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.*