Cello Key vs Cello Coach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cello Key
This app provides a simple fingerboard chart for cello learners, helping them identify notes, positions, and fingerings. It's designed for easy reference anywhere, especially useful for sheet music without finger numbers. It's particularly recommended for adult beginners.
- Fingerboard chart for cello
- Note identification
- Position guidance
- Finger number reference
- Simple and easy to read layout
- Portable reference tool
Read full descriptionHide full description
Cello Key is a simple fingerboard chart application for cello learners. Cello learners are often troubled by the question, "Which note should I press, in which position and with which finger?" The fingerboard chart to refer to at that time has now become an app. Because it is an app, you can carry it with you anywhere and check it anywhere. Furthermore, the simple layout makes it easy to read. You no longer have to worry about finger numbers when playing sheet music that does not have them written on it. It is especially recommended for people who started playing the cello as adults! Enjoy playing the cello with Cello Key!
Cello Coach
This app provides a comprehensive series of beginner cello lessons designed for self-study at home. It covers fundamental techniques, essential skills, and offers tutorials for playing with piano accompaniment. Optimized for iPhone and iPad, it's ideal for aspiring cellists.
- Beginner cello course series
- Learn to play cello
- Play cello with piano
- Cello technique tutorials
- Essential cello skills
- Level up cello skills
Read full descriptionHide full description
Beginner's Cello Lessons - Learn At Home By Self INCLUES: * Beginner Cello Course Series * Learn To Play Cello * Play Cello With Piano Series * Cello Technique Series * Basics Of Cello * Eeesntial Skills Of Cello * Level Up Skills Of Cello Optimized for iPhone and iPad, you can learn by yourself at home Get it now, enjoy the tour!
Screenshots
Verdict
The clearest difference is review sentiment: Cello Coach at 85% against Cello Key's 0%. Cello Coach also leads on rating (4.7 vs 3.5) and in-app purchases (none vs 1). Cello Key's advantage is update cadence (every 6 months vs every 28 months). On price, ads, device support and iOS requirement 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. Cello Key sells 1 one-off in-app purchase. Cello Coach asks for nothing beyond the download.
Cello Coach holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Cello Coach has 270 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Cello Key's written reviews are positive against 85% of Cello Coach's.
Cello Key ships an update every 6 months, Cello Coach every 28 months. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.
| Parameter | Cello Key | Cello Coach |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 4.7 (270 ratings) — better |
| Positive reviews | 0.0% of reviews | 85.1% of reviews — better |
| Number of ratings | 2 | 270 — better |
| Update frequency | Every 6 months — better | Every 28 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15 |
| Further details — not scored | ||
| Size | 61 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuriko Kimura | 叶 李 |
Customer experience
Cello Key
Cello Coach
Bugs and requests
Cello Key
Not enough reviews yet to summarise bugs or requests.
Cello Coach
Reported bugs
4 issues- Pop-up ads that cannot be closed on app launch
- App becomes non-functional due to stuck ads
- Ads appearing before every video
- X button on ads not responding to user input
Requested features
4 requests- Tuner section for pitch accuracy
- Scales section for practice exercises
- Better organization and explanation of app sections
- Reduced or optional ad experience
In-app purchases
Cello Key
- Natural Minor Scales Pack$1.99
Cello Coach
No in-app purchases
Questions
Is Cello Key free?
Is Cello Coach free?
Which has better reviews, Cello Key or Cello Coach?
Do Cello Key or Cello Coach have ads?
Which is updated more often, Cello Key or Cello Coach?
Other comparisons
