# Kjos IPS vs Purple Vision

The clearest difference is rating: Kjos IPS at 2.7 against Purple Vision's 1.9. Kjos IPS also leads on review sentiment (33% vs 0%) and ratings volume (130 vs 9). Purple Vision's advantage is in-app purchases (none vs 48). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kjos IPS sells 48 one-off in-app purchases. Purple Vision asks for nothing beyond the download.

Kjos IPS holds the better App Store score, 2.7 against 1.9. That said, the two scores are not equally well evidenced: Kjos IPS has 130 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 33% of Kjos IPS's written reviews are positive against 0% of Purple Vision's.

Kjos IPS ships an update every 2 months, Purple Vision every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kjos IPS | Purple Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (130 ratings)](https://appshunter.io/ios/app/kjos-ips/id982025486/reviews)** | [1.9 (9 ratings)](https://appshunter.io/ios/app/purple-vision/id6474644034/reviews) |
| Number of ratings | **130** | 9 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 218 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pygraphics, Inc.](https://appshunter.io/developer/909400469) | [Platform Purple, Inc.](https://appshunter.io/developer/419436916) |

## 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


### Purple Vision

[App page](https://appshunter.io/ios/app/purple-vision/id6474644034)

Access and enjoy all your purchased video, music, and eBook content from partner platforms. Stream instantly or download for offline playback, ensuring smooth viewing even with poor internet connections.

**Highlights:** One-tap access to purchased content, Stream instantly, Download for offline playback, Supports video, music, and eBooks, Optimized for slow/intermittent internet

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kjos IPS free?

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

### Is Purple Vision free?

Purple Vision is free to download, with no in-app purchases.

### Which has better reviews, Kjos IPS or Purple Vision?

Kjos IPS is rated higher. Kjos IPS averages 2.7 out of 5 from 130 ratings, while Purple Vision averages 1.9 from 9 ratings.

### Do Kjos IPS or Purple Vision have ads?

Neither Kjos IPS nor Purple Vision shows ads.

### Which is updated more often, Kjos IPS or Purple Vision?

Kjos IPS ships an update every 2 months, and Purple Vision every 3 months. Most recently, Kjos IPS was updated on October 24, 2026 and Purple Vision on October 24, 2026.

---

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