Kotobee Reader vs Music Theory 101
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kotobee Reader
This app provides an ad-free digital reading experience for interactive ebooks. It supports EPUB 3.0, offers note-taking, highlighting, bookmarking, and text-to-speech functionalities. Access a free digital library for offline reading.
- EPUB 3.0 support
- Note-taking and highlighting
- Bookmarking
- Aggregate annotations to PDF
- Offline reading
- Text-to-speech
- Google lookup
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Kotobee Reader: Your ultimate interactive ebook reader and ad-free digital reading companion Kotobee Reader is optimized for the EPUB 3.0 standard, supporting interactivity and multiple languages. Access Kotobee Books; a free digital library where you can download classics and ebooks distributed by other users and read offline. Kotobee Reader offers a powerful set of tools to enhance your reading experience: - Note-taking: Add notes to words and paragraphs, and access them later. - Highlighting: Mark important sentences with different color highlights. - Bookmarking: Bookmark multiple pages at different locations - Aggregate annotations: Aggregate your notes, highlights, and bookmarks, into a PDF. - Search: Search inside the chapter or the entire book. - Multiple languages: Use one of more than 16 different languages - Copy to clipboard: Copy any text to your clipboard, to use in external programs. - Text-to-speech: Let the reader speak out any text you choose - Google lookup: Search definitions and explanations directly with a click. Kotobee Reader is perfect for students, educators, and anyone looking for a customizable ebook reading experience. And the best part? No Ads! Read without interruptions. Kotobee Reader ensures an ad-free environment, and we don’t burden you with internal purchases either. For information about Kotobee Reader, please visit https://www.kotobee.com/products/reader For the creation of ebooks using our free software Kotobee Author, please visit https://www.kotobee.com/products/author Kotobee Reader and Kotobee Author are both part of the Kotobee platform: https://www.kotobee.com
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
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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.
Screenshots
Verdict
The clearest difference is rating: Music Theory 101 at 4.8 against Kotobee Reader's 3.6. Music Theory 101 also leads on review sentiment (82% vs 50%) and update cadence (every 5 days vs every 2 months). Kotobee Reader's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Music Theory 101 holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 22 and 64 respectively. Written reviews point the same way: 50% of Kotobee Reader's written reviews are positive against 82% of Music Theory 101's.
Kotobee Reader ships an update every 2 months, Music Theory 101 every 5 days. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.
| Parameter | Kotobee Reader | Music Theory 101 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (22 ratings) | 4.8 (64 ratings) — better |
| Positive reviews | 50.0% of reviews | 82.4% of reviews — better |
| Number of ratings | 22 | 64 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 14 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Vijua | Poesie Inc |
Customer experience
Kotobee Reader
Music Theory 101
In-app purchases
Kotobee Reader
No in-app purchases
Music Theory 101
No in-app purchases
Questions
Is Kotobee Reader free?
Is Music Theory 101 free?
Which has better reviews, Kotobee Reader or Music Theory 101?
Do Kotobee Reader or Music Theory 101 have ads?
Which is updated more often, Kotobee Reader or Music Theory 101?
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