# CalmTide vs Lower Cortisol

The clearest difference is in-app purchases: Lower Cortisol at none against CalmTide's 3. Lower Cortisol also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. CalmTide sells 3 in-app purchases, starting at $4.99 per month. Lower Cortisol asks for nothing beyond the download.

CalmTide ships an update every 3 weeks, Lower Cortisol every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | CalmTide | Lower Cortisol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 10 MB | 22 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Michael Smith](https://appshunter.io/developer/1893971383) | [Ashley Weyers](https://appshunter.io/developer/6776025575) |

## What reviewers say

### CalmTide

[App page](https://appshunter.io/ios/app/calmtide-cortisol-tracker/id6776101012)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $29.99 | per year |
| Lifetime | $59.99 | one-time |


### Lower Cortisol

[App page](https://appshunter.io/ios/app/lower-cortisol-calmer/id6781436171)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmTide free?

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

### Is Lower Cortisol free?

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

### Do CalmTide or Lower Cortisol have ads?

Neither CalmTide nor Lower Cortisol shows ads.

### Which is updated more often, CalmTide or Lower Cortisol?

CalmTide ships an update every 3 weeks, and Lower Cortisol every 2 days. Most recently, CalmTide was updated on October 24, 2026 and Lower Cortisol on October 24, 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.*