# MusoLearn vs Katalis

MusoLearn and Katalis are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. MusoLearn sells 2 in-app purchases, starting at $59.99 per month and Katalis sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

MusoLearn ships an update every 5 weeks, Katalis monthly. The most recent releases landed on July 26, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MusoLearn | Katalis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/musolearn/id6477866851/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Subscription | — |
| Size | 160 MB | 102 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imparo Group Pty Ltd](https://appshunter.io/developer/1730911659) | [Behavioural Health Pty Ltd](https://appshunter.io/developer/1803274556) |

## What reviewers say

### MusoLearn

[App page](https://appshunter.io/ios/app/musolearn/id6477866851)

An interactive music education platform for children. It offers lessons on music history, theory, and various instruments, making learning engaging and fun.

**Highlights:** Music history lessons, Music theory instruction, Instrument techniques, Interactive learning elements, Comprehensive curriculum

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MusoLearners Monthly | $59.99 | per month |
| MusoLearners Annual Membership | $229.00 | per year |


### Katalis

[App page](https://appshunter.io/ios/app/katalis/id6757698621)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Living with Pain | $79.99 | one-time |
| Sleep Reset | $79.99 | one-time |
| Depression: Practical Skills | $79.99 | one-time |
| Anxiety: Practical Skills | $79.99 | one-time |
| ACT for Anxiety: ON DEMAND | $100.00 | one-time |
| ACT for Depression: ON DEMAND | $100.00 | one-time |
| ACT in Action: ON DEMAND | $100.00 | one-time |
| Focused ACT: Brief Interventions | $129.00 | one-time |
| Trauma Focused ACT | $300.00 | one-time |


## Frequently asked questions

### Is MusoLearn free?

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

### Is Katalis free?

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

### Do MusoLearn or Katalis have ads?

Neither MusoLearn nor Katalis shows ads.

### Which is updated more often, MusoLearn or Katalis?

MusoLearn ships an update every 5 weeks, and Katalis monthly. Most recently, MusoLearn was updated on July 26, 2026 and Katalis on September 28, 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.*