# Musical Astrology vs BetterThoughtsCBT

The clearest difference is in-app purchases: BetterThoughtsCBT at none against Musical Astrology's 1. BetterThoughtsCBT also leads on update cadence (every 3 days vs every 4 months). Musical Astrology's advantage is ads (none vs shown) and iOS requirement (12.4 vs 18.5). On price and device support there is nothing between them.

Both are free to download. Musical Astrology sells 1 one-off in-app purchase. BetterThoughtsCBT asks for nothing beyond the download.

Musical Astrology ships an update every 4 months, BetterThoughtsCBT every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Musical Astrology | BetterThoughtsCBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/musical-astrology/id6444783606/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 9 MB |
| Requires iOS | **12.4** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Lionel Williams](https://appshunter.io/developer/1656869447) | [Eric Delattre](https://appshunter.io/developer/1804616372) |

## What reviewers say

### Musical Astrology

[App page](https://appshunter.io/ios/app/musical-astrology/id6444783606)

Explore the unique musical resonance of your birthday and relationships. This app translates birth dates into microtonal music, offering insights into relational dynamics and personal horoscopes. Discover deeper emotional gradients beyond the standard 12-tone system.

**Highlights:** Birthday music generation, Relationship resonance insights, Monthly musical horoscopes, Natal chart sound visualization, Save and share relationship aspects, Customizable relationship grouping

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Musical Astrology Upgraded | $9.99 | one-time |


### BetterThoughtsCBT

[App page](https://appshunter.io/ios/app/betterthoughtscbt/id6749776512)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Musical Astrology free?

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

### Is BetterThoughtsCBT free?

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

### Do Musical Astrology or BetterThoughtsCBT have ads?

BetterThoughtsCBT shows ads; Musical Astrology does not.

### Which is updated more often, Musical Astrology or BetterThoughtsCBT?

Musical Astrology ships an update every 4 months, and BetterThoughtsCBT every 3 days. Most recently, Musical Astrology was updated on November 3, 2026 and BetterThoughtsCBT on October 30, 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.*