IPA Sing vs Bebop by the Numbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IPA Sing
This app provides singers and conductors with audio examples of the International Phonetic Alphabet for English, German, Italian, and French. It also features a pronunciation checker to help refine vocal delivery.
- IPA audio examples
- Pronunciation checker
- Multi-language support (EN, DE, IT, FR)
- Created by expert
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IPA Sing is a resource for singers and conductors performing in English, German, Italian and French. It includes audio examples of the International Phonetic Alphabet as well as a recorder to check your pronunciation. IPA Sing was created by a tenured university professor with a doctorate in voice performance and pedagogy from Indiana University.
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 price: Bebop by the Numbers at Free against IPA Sing's $0.99. Bebop by the Numbers also leads on review sentiment (100% vs 60%) and update cadence (every 2 weeks vs every 2 months). IPA Sing's advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating 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
Bebop by the Numbers is free to download; IPA Sing costs $0.99 up front. Bebop by the Numbers sells 2 one-off in-app purchases. IPA Sing asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for IPA Sing against 5.0 for Bebop by the Numbers. That said, the two scores are not equally well evidenced: Bebop by the Numbers has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 60% of IPA Sing's written reviews are positive against 100% of Bebop by the Numbers's.
IPA Sing ships an update every 2 months, Bebop by the Numbers every 2 weeks. The most recent releases landed on September 24, 2026 and September 3, 2026 respectively.
| Parameter | IPA Sing | Bebop by the Numbers |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeremy Hunt | Daniel Kolke |
Customer experience
IPA Sing
Bebop by the Numbers
In-app purchases
IPA Sing
No in-app purchases
Bebop by the Numbers
- Bebop by the Numbers$20.00
- Buy Course$25.00
Questions
Is IPA Sing free?
Is Bebop by the Numbers free?
Which has better reviews, IPA Sing or Bebop by the Numbers?
Do IPA Sing or Bebop by the Numbers have ads?
Which is updated more often, IPA Sing or Bebop by the Numbers?
Other comparisons
