Music Theory 101 vs Clef Trainer Grid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Music Theory 101
An interactive music theory training app covering classical fundamentals. It features 19 units with audio, exercises, and definitions, mirroring AP Music Theory exam curriculum. Practice skills with over 90 exercise types.
- Interactive music theory course
- 19 comprehensive units
- Audio samples and key definitions
- Skill practice exercises
- AP Music Theory exam curriculum
- Over 90 exercise types
- Aural recognition and dictation
Read full descriptionHide full description
Welcome to a new, interactive music theory training app. We offer a comprehensive course presenting the fundamentals of classical music theory. Our course includes 19 interactive units with audio samples, interactive exercises, and key definitions. Alongside this, we offer a streamlined set of skill practice to test core knowledge. This app matches the curriculum of the AP Music Theory exam, which is designed to reflect a knowledge at the introductory college level. We're excited to help you learn. And if you’re a student… good luck with your upcoming exam! Lessons include: - Pitch and Rhythm - Scales, Meters, and Modes - Intervals, Triads, and Seventh Chords - Harmonic Progressions and Cadences - Four-Part Chorale Writing and Two-Part Counterpoint - Embelleshing Notes, Tonicization, and Melodic Techniques The app includes over 90 different exercise types, including aural recognition, melodic/harmonic dictation, and single, two-voice, and four-part composition. Our app is still new! Found something that needs to be fixed? Have an idea for what to add next? We'd love to hear from you as we build out the next features. There are buttons across the app for you to submit feedback or take a quick survey to share your thoughts.
Clef Trainer Grid
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.
- 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
Read full descriptionHide full description
Learn to read sheet music over various clefs! Practice reading and inputting notes using your finger, plugging a piano keyboard in, or virtually any other instrument using the microphone input mode. Take your skills outside of the app: Clef Trainer Grid also features a special grid input that scrambles button locations to prevent the building of a muscle memory. This ensures that you're actually learning the note letters, rather than just learning how to use an app! Still want to learn the piano keys? No worries! You can also switch a classic piano input at any time. Features also include: * Support for treble, alto, and bass clefs * Support for every major and minor key signature * Support for accidentals—Choose if you want to play outside of the key! * Adjustable number of ledger lines * Cheat Mode—View the names of the notes in real-time! * Dark Mode * Ghost Note —View miss-input notes on the staff
Screenshots
Verdict
The clearest difference is price: Music Theory 101 at Free against Clef Trainer Grid's $2.99. Music Theory 101 also leads on ratings volume (73 vs 13). Clef Trainer Grid's advantage is update cadence (daily vs every 5 days) and chart position (#191 vs unranked). On rating, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Music Theory 101 is free to download; Clef Trainer Grid costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Music Theory 101 against 4.8 for Clef Trainer Grid. That said, the two scores are not equally well evidenced: Music Theory 101 has 73 ratings behind it against 13, so its average is the more settled of the two. Written reviews split almost evenly too, at 83% and 83% positive.
Music Theory 101 ships an update every 5 days, Clef Trainer Grid daily. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Music Theory 101 | Clef Trainer Grid |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.8 (73 ratings) | 4.8 (13 ratings) — better |
| Positive reviews | 82.9% of reviews | 83.3% of reviews — better |
| Number of ratings | 73 — better | 13 |
| Update frequency | Every 5 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 78 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Poesie Inc | John Andersen |
Customer experience
Music Theory 101
Clef Trainer Grid
In-app purchases
Music Theory 101
No in-app purchases
Clef Trainer Grid
No in-app purchases
Questions
Is Music Theory 101 free?
Is Clef Trainer Grid free?
Which has better reviews, Music Theory 101 or Clef Trainer Grid?
Do Music Theory 101 or Clef Trainer Grid have ads?
Which is updated more often, Music Theory 101 or Clef Trainer Grid?
Other comparisons
