# KnowWhen vs Period Tracker Elowen

The clearest difference is in-app purchases: KnowWhen at none against Period Tracker Elowen's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Period Tracker Elowen sells 2 in-app purchases, starting at $8.99 per 7 days. KnowWhen asks for nothing beyond the download.

## The numbers

| Metric | KnowWhen | Period Tracker Elowen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowwhen/id6758948095/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 6 MB | 19 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Launch Round](https://appshunter.io/developer/1580265297) | [Augustin Villetard](https://appshunter.io/developer/6774162540) |

## What reviewers say

### KnowWhen

[App page](https://appshunter.io/ios/app/knowwhen/id6758948095)

This app offers simple, timely guidance for husbands based on their partner's cycle. It helps users understand when to offer support, listen, or give space, fostering better connection and reducing relationship tension.

**Highlights:** Daily simple guidance, Phase-based reminders, Private logging for patterns, Discreet data storage on device, Guidance on giving space, Guidance on offering support

**In-app purchases:** none


### Period Tracker Elowen

[App page](https://appshunter.io/ios/app/period-tracker-elowen/id6799744658)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elowen Premium Weekly | $8.99 | per 7 days |
| Elowen Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is KnowWhen free?

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

### Is Period Tracker Elowen free?

Period Tracker Elowen is free to download, with in-app purchases available.

### Do KnowWhen or Period Tracker Elowen have ads?

Neither KnowWhen nor Period Tracker Elowen shows ads.

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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.*