# HerFlow vs Ebb

The clearest difference is in-app purchases: HerFlow at none against Ebb's 2. HerFlow also leads on update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

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

HerFlow ships an update every 2 months, Ebb every 5 months. Both last shipped on November 13, 2026.

## The numbers

| Metric | HerFlow | Ebb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 32 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ernestas Raudonis](https://appshunter.io/developer/1896018464) | [XTENZA TECH PRIVATE LIMITED](https://appshunter.io/developer/6779584124) |

## What reviewers say

### HerFlow

[App page](https://appshunter.io/ios/app/herflow-period-tracker/id6765635903)

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

**In-app purchases:** none


### Ebb

[App page](https://appshunter.io/ios/app/ebb-irregular-period-tracker/id6782287956)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ebb Premium · Monthly | $5.99 | per month |
| Ebb Premium · Yearly | $39.99 | per year |


## Frequently asked questions

### Is HerFlow free?

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

### Is Ebb free?

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

### Do HerFlow or Ebb have ads?

Neither HerFlow nor Ebb shows ads.

### Which is updated more often, HerFlow or Ebb?

HerFlow ships an update every 2 months, and Ebb every 5 months. Most recently, HerFlow was updated on November 13, 2026 and Ebb 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.*