# Kjos IPS vs Learn Trombone

The clearest difference is rating: Learn Trombone at 4.4 against Kjos IPS's 2.7. Learn Trombone also leads on update cadence (weekly vs every 2 months) and review sentiment (60% vs 33%). Kjos IPS's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Kjos IPS sells 48 one-off in-app purchases and Learn Trombone sells 26 in-app purchases, starting at $17.49 per month. Whichever you choose, the download price is not the number that matters.

Learn Trombone holds the better App Store score, 4.4 against 2.7. Both are backed by a comparable volume of ratings — 130 and 389 respectively. Written reviews point the same way: 33% of Kjos IPS's written reviews are positive against 60% of Learn Trombone's.

Kjos IPS ships an update every 2 months, Learn Trombone weekly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Kjos IPS | Learn Trombone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (130 ratings)](https://appshunter.io/ios/app/kjos-ips/id982025486/reviews) | **[4.4 (389 ratings)](https://appshunter.io/ios/app/learn-trombone-tonestro/id1447013399/reviews)** |
| Number of ratings | 130 | **389** |
| Positive reviews | 33.3% of reviews | **60.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 218 MB | 232 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pygraphics, Inc.](https://appshunter.io/developer/909400469) | [fun.music IT GmbH](https://appshunter.io/developer/1365630759) |

## What reviewers say

### Kjos IPS

[App page](https://appshunter.io/ios/app/kjos-ips/id982025486)

Enhance music education with interactive practice tools. Access digital sheet music, play-along accompaniments, video lessons, and a recording studio. Ideal for students and teachers to deepen musical understanding and track progress.

**Highlights:** eBook versions of Kjos publications, Teacher Edition access, Play-along accompaniment and recordings, Video lessons, Personal recording studio, Interactive glossaries and flashcards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (48)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Video Practice Guides for TOE - Percussion - Media Only | $3.99 | one-time |
| Excellence in Theory Bk 1 - DB | $5.99 | one-time |
| String Basics Cello Book 1, DB | $8.99 | one-time |
| String Basics Violin Bk 1, DB | $8.99 | one-time |
| String Basics Violin Bk 2, DB | $8.99 | one-time |
| Bastien New Trad: Primer A, DB | $8.99 | one-time |
| Bastien New Traditions: All In One, Level 1A - Digital Book | $8.99 | one-time |
| Bastien New Traditions: All In One, Level 2A - Digital Book | $8.99 | one-time |
| Bastien New Trad: Primer B, DB | $8.99 | one-time |
| Bastien New Traditions: 3B DB | $8.99 | one-time |
| SB String Bass Bk 1, DB | $8.99 | one-time |
| Bastien New Traditions: 4B DB | $8.99 | one-time |
| Bastien New Traditions: 3A DB | $8.99 | one-time |
| String Basics Violin Bk 3, DB | $8.99 | one-time |
| String Basics Viola Book 1, DB | $8.99 | one-time |
| String Basics Viola Book 3, DB | $8.99 | one-time |
| Bastien New Traditions: All In One, Level 1B - Digital Book | $8.99 | one-time |
| Bastien New Traditions: 2B DB | $8.99 | one-time |
| Bastien New Traditions: 4A DB | $8.99 | one-time |
| Tradition of Excellence Flute Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Clarinet Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Eb Alto Saxophone Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Trumpet-Cornet Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Trombone Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Score Book 1 - Discount Digital Book | $9.99 | one-time |
| Tradition of Excellence Bb Tuba Book 2 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Clarinet Book 2 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Alto Saxophone Book 2 - Digital Book | $9.99 | one-time |
| SOE Book 1 - Clarinet - Digital Book | $9.99 | one-time |
| SOE Book 2 - Trumpet - DB | $9.99 | one-time |
| Tradition of Excellence Flute Book 2 - Digital Book | $9.99 | one-time |
| SOE Book 1 - Flute - Digital B | $9.99 | one-time |
| SOE Book 1 - Eb Alto Sax - DB | $9.99 | one-time |
| Tradition of Excellence Tuba Book 1 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Baritone-Euphonium TC Book 2 - Digital Book | $9.99 | one-time |
| Tradition of Excellence Baritone-Euphonium BC Book 1 - Digital Book | $9.99 | one-time |
| SOE Book 1 - Trombone - DB | $9.99 | one-time |
| SOE Book 2 Clarinet - DB | $9.99 | one-time |
| Tradition of Excellence Electric Bass Book 2 - Digital Book | $9.99 | one-time |
| SOE Book 1 Trumpet-Cornet - DB | $9.99 | one-time |
| Tradition of Excellence Trumpet-Cornet Book 2 - Digital Book | $10.99 | one-time |
| Tradition of Excellence F Horn Book 1 - Digital Book | $10.99 | one-time |
| SOE Book 1 - Percussion - DB | $11.99 | one-time |
| Tradition of Excellence Percussion Book 1 - Digital Book | $12.99 | one-time |
| Tradition of Excellence Percussion Book 2 - Digital Book | $12.99 | one-time |
| Bastien Piano for Adults Bk 1 | $18.99 | one-time |
| Tradition of Excellence Score Book 1 - Digital Book | $59.99 | one-time |
| SOE Book 1 - Conductor Score | $59.99 | one-time |

**What reviewers like**

- 📚 Digital book access convenient for practice
- 🎵 Audio accompaniment tracks helpful for learning
- 🎤 Recording feature useful for self-assessment
- 🎼 Tuner functionality works well
- 📖 Clean PDF export capability

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 🐛 Audio playback problems and loading failures
- 🐛 Glitchy interface with scrolling issues
- 🐛 Recording function buggy and unreliable
- 💰 Requires paid license codes for books already purchased

**Reported bugs**

- App crashes on startup or during use
- Audio files won't load or play
- Product code already used error preventing activation
- Videos not functioning
- Tuner stops working after initial use

**Requested features**

- Custom tempo/speed controller for audio
- Ability to record without accompaniment track
- Student part only option without fusion accompaniments
- Disable page transition animations
- Microphone recording improvements


### Learn Trombone

[App page](https://appshunter.io/ios/app/learn-trombone-tonestro/id1447013399)

Learn to play the trombone with interactive lessons, real-time feedback on rhythm and pitch, and a built-in tuner. Access a large library of songs and exercises for all skill levels, and stay motivated with weekly challenges.

**Highlights:** Live feedback on rhythm and pitch, Integrated trombone tuner, Large song and exercise library, Step-by-step lessons, Fingering charts, Weekly challenges, Play-alongs

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (26)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $17.49 | per month |
| tonestro Premium | $29.99 | per month |
| Learn Trombone - Premium | $39.99 | per month |
| tonestro Premium | $39.99 | per month |
| tonestro Premium | $44.49 | per month |
| tonestro Premium | $44.99 | per month |
| Special trombone offer | $56.99 | per year |
| Special trombone offer | $59.99 | per year |
| Special trombone offer | $59.99 | per year |
| Special trombone offer | $60.99 | per year |
| Welcome offer | $64.99 | per year |
| tonestro Premium | $74.99 | per year |
| Special trombone offer | $83.99 | per year |
| tonestro Premium | $99.99 | per year |
| Learn to Play the Trombone | $103.99 | per year |
| One-Time Special Offer | $109.99 | per year |
| tonestro Premium | $109.99 | per year |
| Learn to Play the Trombone | $111.99 | per year |
| 1 Year Premium | $119.99 | per year |
| tonestro Premium | $137.99 | per year |
| tonestro Premium | $149.99 | per year |
| tonestro Premium | $149.99 | per year |
| tonestro Premium | $149.99 | per year |
| tonestro Premium | $149.99 | per year |
| tonestro Premium | $197.99 | per year |
| tonestro Premium | $224.99 | per year |


## Frequently asked questions

### Is Kjos IPS free?

Kjos IPS is free to download, with in-app purchases available.

### Is Learn Trombone free?

Learn Trombone is free to download, with in-app purchases available.

### Which has better reviews, Kjos IPS or Learn Trombone?

Learn Trombone is rated higher. Kjos IPS averages 2.7 out of 5 from 130 ratings, while Learn Trombone averages 4.4 from 389 ratings.

### Do Kjos IPS or Learn Trombone have ads?

Learn Trombone shows ads; Kjos IPS does not.

### Which is updated more often, Kjos IPS or Learn Trombone?

Kjos IPS ships an update every 2 months, and Learn Trombone weekly. Most recently, Kjos IPS was updated on October 24, 2026 and Learn Trombone on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*