# Herflow vs peri

The clearest difference is in-app purchases: Herflow at none against peri's 2. Herflow also leads on ads (none vs shown) and update cadence (daily vs every 4 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. peri sells 2 in-app purchases, starting at $5.99 per month. Herflow asks for nothing beyond the download.

Herflow ships an update daily, peri every 4 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Herflow | peri |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 4 days |
| Size | 9 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [RUEBEN ANSOLIWEN AKANKOBATENG](https://appshunter.io/developer/1880083403) | [Decent4 LLC](https://appshunter.io/developer/1821652198) |

## What reviewers say

### Herflow

[App page](https://appshunter.io/ios/app/herflow-period-cycle-tracker/id6760529907)

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

**In-app purchases:** none


### peri

[App page](https://appshunter.io/ios/app/peri-menopause-tracker/id6798018790)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MenoCompass Pro Monthly | $5.99 | per month |
| MenoCompass Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Herflow free?

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

### Is peri free?

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

### Do Herflow or peri have ads?

peri shows ads; Herflow does not.

### Which is updated more often, Herflow or peri?

Herflow ships an update daily, and peri every 4 days. Most recently, Herflow was updated on October 28, 2026 and peri on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*