# STRIVN vs CalmTide

The clearest difference is update cadence: STRIVN at weekly against CalmTide's every 3 weeks. STRIVN also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. STRIVN sells 3 in-app purchases, starting at $9.99 per month and CalmTide sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

STRIVN ships an update weekly, CalmTide every 3 weeks. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | STRIVN | CalmTide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calmtide-cortisol-tracker/id6776101012/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 27 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Caleb Downes](https://appshunter.io/developer/1888921193) | [Michael Smith](https://appshunter.io/developer/1893971383) |

## What reviewers say

### STRIVN

[App page](https://appshunter.io/ios/app/strivn-ai-workout-tracker/id6761326529)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STRIVN Pro | $9.99 | per month |
| STRIVN Pro | $29.99 | per year |
| STRIVN Pro – Lifetime Access | $79.99 | one-time |


### 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 STRIVN free?

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

### Is CalmTide free?

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

### Do STRIVN or CalmTide have ads?

Neither STRIVN nor CalmTide shows ads.

### Which is updated more often, STRIVN or CalmTide?

STRIVN ships an update weekly, and CalmTide every 3 weeks. Most recently, STRIVN was updated on November 9, 2026 and CalmTide on November 13, 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.*