# Aares Pilates vs CalmTide

The clearest difference is in-app purchases: Aares Pilates at none against CalmTide's 3. Aares Pilates also leads on iOS requirement (16.0 vs 18.6). CalmTide's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

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

Aares Pilates ships an update weekly, CalmTide every 10 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Aares Pilates | CalmTide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 37 MB | 9 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [AARES PILATES & STRENGTH CLUB](https://appshunter.io/developer/6771974000) | [Michael Smith](https://appshunter.io/developer/1893971383) |

## What reviewers say

### Aares Pilates

[App page](https://appshunter.io/ios/app/aares-pilates/id6771973998)

**Features:** macOS Compatibility, Apple Wallet

**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 Aares Pilates free?

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

### Is CalmTide free?

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

### Do Aares Pilates or CalmTide have ads?

Neither Aares Pilates nor CalmTide shows ads.

### Which is updated more often, Aares Pilates or CalmTide?

Aares Pilates ships an update weekly, and CalmTide every 10 days. Most recently, Aares Pilates was updated on October 7, 2026 and CalmTide on October 15, 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.*