# CalmFlow vs PeriTrack Perimenopause

The clearest difference is update cadence: PeriTrack Perimenopause at every 3 days against CalmFlow's every 3 months. CalmFlow's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. CalmFlow sells 2 in-app purchases, starting at $4.99 per month and PeriTrack Perimenopause sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CalmFlow ships an update every 3 months, PeriTrack Perimenopause every 3 days. The most recent releases landed on September 13, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | CalmFlow | PeriTrack Perimenopause |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 52 MB | 12 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Mark Mager](https://appshunter.io/developer/1874161456) | [Jung Soon Shin](https://appshunter.io/developer/379186743) |

## What reviewers say

### CalmFlow

[App page](https://appshunter.io/ios/app/calmflow-menopause-tracker/id6759929944)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalmFlow Pro Monthly | $4.99 | per month |
| CalmFlow Pro Yearly | $29.99 | per year |


### PeriTrack Perimenopause

[App page](https://appshunter.io/ios/app/peritrack-perimenopause/id6763711717)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeriTrack Pro (Monthly) | $9.99 | per month |
| PeriTrack Pro (Annual) | $59.99 | per year |


## Frequently asked questions

### Is CalmFlow free?

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

### Is PeriTrack Perimenopause free?

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

### Do CalmFlow or PeriTrack Perimenopause have ads?

Neither CalmFlow nor PeriTrack Perimenopause shows ads.

### Which is updated more often, CalmFlow or PeriTrack Perimenopause?

CalmFlow ships an update every 3 months, and PeriTrack Perimenopause every 3 days. Most recently, CalmFlow was updated on September 13, 2026 and PeriTrack Perimenopause on September 11, 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.*