Subtraction Skill Builders vs Learn Cello AI Tutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subtraction Skill Builders
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Elevate your subtraction practice with Subtraction Skill Builders! Experience natural handwriting input and choose between: Math Trainer – a whiteboard to write answers at your own pace 5 fun, engaging Math mini games with adaptive difficulty With Subtraction Skill Builders you can practice and improve the following math skills: - Subtracting 1 - Subtracting 2 - Subtracting 3 - Subtracting 4 - Subtracting 5 - Subtracting 6 - Subtracting 7 - Subtracting 8 - Subtracting 9 - Subtracting 10
Learn Cello AI Tutor
Master the cello with an AI tutor offering interactive lessons, fingerboard charts, and instant answers to your cello questions. Ideal for beginners and intermediate players seeking daily improvement without private lessons.
- Interactive beginner lessons
- Fingerboard charts
- AI chat for cello questions
- Smart finger-position overlay
- Personal stats tracking
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Master the cello faster with your personal AI tutor. Perfect for beginners and advancing players who want daily improvement without expensive private lessons. FEATURES • Interactive beginner lessons • Fingerboard charts for every position • AI chat: ask any cello question, get instant answers UPGRADE TO PREMIUM Unlimited AI lessons KEY FEATURES Smart finger-position overlay for 1st–7th positions Personal stats WHO IS IT FOR? Adult beginners starting from scratch Students preparing for ABRSM / Trinity / school auditions Intermediate cellists polishing shifts & vibrato Teachers who want students to get feedback between lessons Subscription Terms: - Monthly: $4.99/month - Yearly: $29.99/year - Payment charged to iTunes Account at confirmation - Subscription auto-renews unless canceled 24 hours before period end Privacy Policy: https://docs.google.com/document/d/1lQlCl8pb9MEtbrCEKQgrqMorDgQ6GNnn1c1rGX0DqSM/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1Eb1w676GC7n7btjai_I1aqnp9LYFSBWUn2mev-FCtHg/edit?usp=sharing
Screenshots
Verdict
The clearest difference is price: Learn Cello AI Tutor at Free against Subtraction Skill Builders's $2.99. Learn Cello AI Tutor also leads on update cadence (every 4 months vs every 28 months). Subtraction Skill Builders's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.1). On ads 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
Learn Cello AI Tutor is free to download; Subtraction Skill Builders costs $2.99 up front. Learn Cello AI Tutor sells 2 in-app purchases, starting at $4.99 per month. Subtraction Skill Builders asks for nothing beyond the download.
Subtraction Skill Builders ships an update every 28 months, Learn Cello AI Tutor every 4 months. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.
| Parameter | Subtraction Skill Builders | Learn Cello AI Tutor |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 1.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 28 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 18 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergey Malugin | Brittney Pilarcik |
In-app purchases
Subtraction Skill Builders
No in-app purchases
Learn Cello AI Tutor
- Monthly Subscription$4.991 Month
- Yearly Premium$29.991 Year
Questions
Is Subtraction Skill Builders free?
Is Learn Cello AI Tutor free?
Do Subtraction Skill Builders or Learn Cello AI Tutor have ads?
Which is updated more often, Subtraction Skill Builders or Learn Cello AI Tutor?
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