# AudioTrek.io vs CalmSpace

The clearest difference is in-app purchases: CalmSpace at none against AudioTrek.io's 7. AudioTrek.io's advantage is update cadence (every 3 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AudioTrek.io sells 7 in-app purchases, starting at $3.99 per month. CalmSpace asks for nothing beyond the download.

AudioTrek.io ships an update every 3 weeks, CalmSpace every 8 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | AudioTrek.io | CalmSpace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Size | 64 MB | 44 MB |
| Requires iOS | **14.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AUDIOTREK.IO LLC](https://appshunter.io/developer/1695904405) | [Arifin Azis Nur Hidayat](https://appshunter.io/developer/1774926666) |

## What reviewers say

### AudioTrek.io

[App page](https://appshunter.io/ios/app/audiotrekio/id6504777476)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AudioTrek.io | $3.99 | per month |
| AudioTrek.io - Monthly | $4.99 | per month |
| AudioTrek.io | $19.99 | per year |
| AudioTrek.io | $23.99 | per year |
| AudioTrek.io | $24.99 | per year |
| AudioTrek.io | $25.99 | per year |
| AudioTrek.io | $29.99 | per year |


### CalmSpace

[App page](https://appshunter.io/ios/app/calmspace-sleep-sounds/id6748849138)

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

**In-app purchases:** none


## Frequently asked questions

### Is AudioTrek.io free?

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

### Is CalmSpace free?

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

### Do AudioTrek.io or CalmSpace have ads?

Neither AudioTrek.io nor CalmSpace shows ads.

### Which is updated more often, AudioTrek.io or CalmSpace?

AudioTrek.io ships an update every 3 weeks, and CalmSpace every 8 months. Most recently, AudioTrek.io was updated on November 4, 2026 and CalmSpace on November 4, 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.*