# Cortisol App vs CalmTide

The clearest difference is in-app purchases: Cortisol App at none against CalmTide's 3. CalmTide's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Cortisol App | CalmTide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 109 MB | 9 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Synaptica Health](https://appshunter.io/developer/1853981796) | [Michael Smith](https://appshunter.io/developer/1893971383) |

## What reviewers say

### Cortisol App

[App page](https://appshunter.io/ios/app/cortisol-app/id6755486374)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Cortisol App free?

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

### Is CalmTide free?

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

### Do Cortisol App or CalmTide have ads?

Neither Cortisol App nor CalmTide shows ads.

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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.*