# CalmusNotation vs Teach Note

The clearest difference is review sentiment: Teach Note at 90% against CalmusNotation's 0%. Teach Note also leads on rating (4.7 vs 4.4) and ratings volume (196 vs 5). CalmusNotation's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Teach Note sells 10 in-app purchases, starting at $2.99 per month. CalmusNotation asks for nothing beyond the download.

Teach Note holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Teach Note has 196 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of CalmusNotation's written reviews are positive against 90% of Teach Note's.

CalmusNotation ships an update every 4 months, Teach Note every 5 weeks. The most recent releases landed on June 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CalmusNotation | Teach Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/calmusnotation/id993026661/reviews) | **[4.7 (196 ratings)](https://appshunter.io/ios/app/teach-note-sight-reading/id1303295012/reviews)** |
| Number of ratings | 5 | **196** |
| Positive reviews | 0.0% of reviews | **90.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 294 MB | 213 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Erki-tonlist sf](https://appshunter.io/developer/929321904) | [炯龙 吴](https://appshunter.io/developer/596409525) |

## What reviewers say

### CalmusNotation

[App page](https://appshunter.io/ios/app/calmusnotation/id993026661)

Create and visualize musical compositions using AI-powered graphical notation. This app leverages advanced AI, inspired by NASA's Lisp programming, to generate original music based on user input and can display music from other compatible apps for live performance.

**Highlights:** AI-powered music composition, Graphical notation display, Real-time performance visualization, Lisp-based AI engine, User input-driven music creation, Integration with CalmusComposer and CalmusPlay

**In-app purchases:** none


### Teach Note

[App page](https://appshunter.io/ios/app/teach-note-sight-reading/id1303295012)

Enhance your musical abilities with this app designed to improve staff notation reading and music theory knowledge. It offers structured courses, extensive practice exercises, and helpful tools to boost your sight-reading speed and understanding of musical concepts.

**Highlights:** 30+ sight-reading and music theory courses, 400+ sight-reading exercises, Intelligent error-correction practice, Multiple practice modes (built-in piano, MIDI/Bluetooth), Support for multiple clefs, Includes common musical tools (metronome, chord lookup)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 季度会员 | $9.99 | per 3 months |
| 年度会员 | $22.99 | per year |
| 高级识谱训练包2 | $0.99 | one-time |
| 初级识谱训练包 | $0.99 | one-time |
| 练耳训练包 | $1.99 | one-time |
| 音符识谱训练包 | $1.99 | one-time |
| 高级识谱训练包 | $2.99 | one-time |
| 去除广告 | $3.99 | one-time |
| 终身会员 | $39.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface, easy to learn
- 📚 Comprehensive and well-structured curriculum
- 🎯 Effective for beginners and self-learners
- ✅ Clear and simple explanations
- 🔄 Unlimited practice exercises

**What reviewers complain about**

- 💵 Paywall for premium content
- 🔊 Video tutorials lack audio on some devices
- 📺 Limited free content before requiring subscription
- 🎯 Requires 5-star review to unlock some features
- 📱 Occasional app crashes and stability issues

**Reported bugs**

- App crashes when accessing membership/subscription features
- Video tutorials have no sound on iPad
- Bluetooth MIDI connection not working despite pairing
- VIP recovery/restore purchase causes crashes
- App crashes after recent updates

**Requested features**

- More free practice content
- Ad-supported free tier alternative
- Wider keyboard interface
- Bluetooth MIDI connectivity improvements
- Additional features and functionality


## Frequently asked questions

### Is CalmusNotation free?

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

### Is Teach Note free?

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

### Which has better reviews, CalmusNotation or Teach Note?

Teach Note is rated higher. CalmusNotation averages 4.4 out of 5 from 5 ratings, while Teach Note averages 4.7 from 196 ratings.

### Do CalmusNotation or Teach Note have ads?

Teach Note shows ads; CalmusNotation does not.

### Which is updated more often, CalmusNotation or Teach Note?

CalmusNotation ships an update every 4 months, and Teach Note every 5 weeks. Most recently, CalmusNotation was updated on June 5, 2026 and Teach Note on September 23, 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.*