# Perimo vs Fember

The clearest difference is update cadence: Fember at every 3 days against Perimo's weekly. Perimo's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Perimo sells 2 in-app purchases, starting at $9.99 per month and Fember sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Perimo ships an update weekly, Fember every 3 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Perimo | Fember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 71 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Halil Hilmi](https://appshunter.io/developer/1837920933) | [Berkay Ozcan](https://appshunter.io/developer/6799803079) |

## What reviewers say

### Perimo

[App page](https://appshunter.io/ios/app/perimo-perimenopause-tracker/id6787910654)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $69.99 | per year |


### Fember

[App page](https://appshunter.io/ios/app/fember-hrt-tracker/id6801958777)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fember Monthly | $6.99 | per month |
| Fember Annual | $49.99 | per year |


## Frequently asked questions

### Is Perimo free?

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

### Is Fember free?

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

### Do Perimo or Fember have ads?

Neither Perimo nor Fember shows ads.

### Which is updated more often, Perimo or Fember?

Perimo ships an update weekly, and Fember every 3 days. Most recently, Perimo was updated on October 17, 2026 and Fember on October 16, 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.*