iMproviser vs Bebop by the Numbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iMproviser
Learn to improvise jazz and blues music with practical exercises. This app offers 6 pages of exercises in all 12 keys, suitable for all wind instruments.
- Jazz and blues improvisation
- Practical exercises
- 12 keys
- All wind instruments
- Beginner-friendly
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Always wanted to improvise on jazz and blues music? This app will have you up and running in no time. 6 pages of practical exercises in all 12 keys suitable for all wind instruments
Bebop by the Numbers
Learn to create and improvise Bebop melodies and lines over chord progressions. This cumulative method uses building blocks to develop your skills from simple to complex, offering a sustainable path for musical growth. Includes a daily riff with play-along videos.
- Cumulative method for Bebop ideas
- Create and improvise in real time
- Build skills from simple to complex
- Sustainable method for long-term growth
- Daily riff with play-along videos
- Exercises and games
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This is a cumulative method that uses building blocks for creating Bebop ideas, lines, runs, and melodies; then shows you how to strategically place them over chord progressions. With Bebop by the Numbers, you will develop skills to create and improvise in real time by starting simple and growing the ability to go complex. Bebop by the Numbers is a sustainable method you can use to develop your skills for years to come. This app also includes the Riff of the Day for free: get new ideas and play along videos you can practice with every weekday (except US Holidays), along with Jam Session by the Numbers, Ear Training Games, and more.
Screenshots
Verdict
The clearest difference is review sentiment: Bebop by the Numbers at 100% against iMproviser's 0%. Bebop by the Numbers also leads on rating (5.0 vs 1.5) and update cadence (every 2 weeks vs every 73 months). iMproviser's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, 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. Bebop by the Numbers sells 2 one-off in-app purchases. iMproviser asks for nothing beyond the download.
Bebop by the Numbers holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of iMproviser's written reviews are positive against 100% of Bebop by the Numbers's.
iMproviser ships an update every 73 months, Bebop by the Numbers every 2 weeks. The most recent releases landed on June 5, 2026 and September 3, 2026 respectively.
| Parameter | iMproviser | Bebop by the Numbers |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 73 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0.0 |
| Further details — not scored | ||
| Size | 13 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Formatics | Daniel Kolke |
Customer experience
iMproviser
Bebop by the Numbers
In-app purchases
iMproviser
No in-app purchases
Bebop by the Numbers
- Bebop by the Numbers$20.00
- Buy Course$25.00
Questions
Is iMproviser free?
Is Bebop by the Numbers free?
Which has better reviews, iMproviser or Bebop by the Numbers?
Do iMproviser or Bebop by the Numbers have ads?
Which is updated more often, iMproviser or Bebop by the Numbers?
Other comparisons
