Read Notes vs Calc Pass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Read Notes
Enhance your musical abilities with interactive games focused on sight-reading, ear training, and chord recognition. Practice essential music theory concepts and improve your performance on any instrument with daily exercises and challenges.
- Sight reading practice with multiple clefs
- Ear training for notes, intervals, and chords
- Chord recognition and virtual keyboard
- 100-song library with challenges
- Progress tracking and leaderboards
- Multiple difficulty levels and practice modes
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Read music for the instrument you play. Clefs, written ranges and answer screens adapt to the selected instrument. Depending on the instrument, answer with an on-screen keyboard, fretboard, string and position choices, note names or rhythm taps. Compare your answer with the right note and practice the notes you missed. Keep your existing quests, drills, pieces and progress. You can continue piano practice without choosing your instrument again. Start with 67 free songs from a library of 150. Optional one-time Premium unlocks the other 83 songs, removes ads and removes heart limits. No subscription.
Calc Pass
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CalcPass is a comprehensive AP Calculus study and practice app designed to help students prepare for the AP Calculus AB and BC exams. Study all 10 major AP Calculus chapters with guided tutorials, practice questions, chapter quizzes, and full-length practice exams. CalcPass helps you identify areas that need more practice and provides a structured study experience based on your AP exam date. Features include: • AP Calculus AB and BC content • 10 comprehensive chapters • 1,100+ practice questions • Chapter tutorials and quizzes • Full-length AP Calculus practice exams • Predicted AP score from practice exams • Personalized study schedule based on your exam date • Progress tracking Whether you're beginning your AP Calculus preparation or reviewing before exam day, CalcPass gives you the tools to practice, assess your progress, and prepare with confidence.
Screenshots
Verdict
The clearest difference is ads: Calc Pass at none against Read Notes's shown. On price, update cadence, in-app purchases and device support 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
Both are free to download. Read Notes sells 1 one-off in-app purchase and Calc Pass sells 3 in-app purchases, starting at $49.99 per 3 months. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.
| Parameter | Read Notes | Calc Pass |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 73 MB | 38 MB |
| Age rating | 12+ | 4+ |
| Developer | minjae Lee | Clinical Biostats, LLC. |
In-app purchases
Read Notes
- Remove Ads$7.99
Calc Pass
- CalcPass+ 3 Months$49.993 Months
- CalcPass+ 6 Months$89.996 Months
- CalcPass+ 1 Year$149.991 Year
