# Notevision vs Clef Trainer Grid

The clearest difference is price: Notevision at Free against Clef Trainer Grid's $2.99. Notevision also leads on ratings volume (3.2K vs 12). Clef Trainer Grid's advantage is in-app purchases (none vs 1) and update cadence (daily vs weekly). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Notevision is free to download; Clef Trainer Grid costs $2.99 up front. Notevision sells 1 one-off in-app purchase. Clef Trainer Grid asks for nothing beyond the download.

Clef Trainer Grid holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Notevision has 3.2K ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 89% of Notevision's written reviews are positive against 83% of Clef Trainer Grid's, so the app with the better star average is not the one people write more warmly about.

Notevision ships an update weekly, Clef Trainer Grid daily. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Notevision | Clef Trainer Grid |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/notevision-sight-reading/id874386416/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721/reviews)** |
| Number of ratings | **3.2K** | 12 |
| Positive reviews | **88.6% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#168** |
| Size | 57 MB | 3 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Newsome](https://appshunter.io/developer/307084497) | [John Andersen](https://appshunter.io/developer/1829819109) |

## What reviewers say

### Notevision

[App page](https://appshunter.io/ios/app/notevision-sight-reading/id874386416)

Master sight-reading and build musical skill with interactive exercises. Practice using a MIDI instrument, microphone, or on-screen keyboard. Learn music theory and chords with adaptive difficulty and progress tracking.

**Highlights:** Interactive sight-reading exercises, MIDI, microphone, or on-screen keyboard input, Adaptive difficulty levels, Music theory lessons, Interactive chord reference, Progress tracking, Songs and randomized practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |

**What reviewers like**

- 🚀 Excellent Sight Reading Tutor
- 🚀 Improved Sight Reading Quickly
- 👍 Great App
- 👍 Helpful for Learning Notes
- 👍 Fantastic Tool

**What reviewers complain about**

- 🐛 Microphone Input from Piano Does Not Work
- 🐛 Keyboard Covers Notes on iPhone
- 🐛 Incorrect Note Detection
- 🐛 Microphone Feature Not Working
- 🔒 Sneaky and Frustrating Premium Update

**Reported bugs**

- Microphone Input from Piano Does Not Work
- Keyboard Covers Notes on iPhone
- Incorrect Note Detection
- Microphone Feature Not Working

**Requested features**

- Ability to Practice Chords and Chord Progressions
- Option to Practice Both Hands Playing at the Same Time
- Ability to Import MIDI Files
- Metronome and Rhythm Practice
- User Profiles to Track Individual Progress


### Clef Trainer Grid

[App page](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721)

**Currently charting:** #168 Top Paid · Education (US App Store)

Master sheet music reading across multiple clefs. Practice note input via touch, MIDI keyboard, or microphone. Features a unique grid input to ensure genuine learning, not just muscle memory.

**Highlights:** Treble, alto, and bass clef support, Major and minor key signature support, Accidental support, Adjustable ledger lines, Grid input for muscle memory prevention, MIDI keyboard and microphone input, Cheat Mode for real-time note names

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

**In-app purchases:** none


## Frequently asked questions

### Is Notevision free?

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

### Is Clef Trainer Grid free?

Clef Trainer Grid costs $2.99, with no in-app purchases.

### Which has better reviews, Notevision or Clef Trainer Grid?

Clef Trainer Grid is rated higher. Notevision averages 4.8 out of 5 from 3.2K ratings, while Clef Trainer Grid averages 5.0 from 12 ratings.

### Do Notevision or Clef Trainer Grid have ads?

Neither Notevision nor Clef Trainer Grid shows ads.

### Which is updated more often, Notevision or Clef Trainer Grid?

Notevision ships an update weekly, and Clef Trainer Grid daily. Most recently, Notevision was updated on September 25, 2026 and Clef Trainer Grid on September 21, 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.*