# Fit vs KnowWhen

The clearest difference is update cadence: Fit at weekly against KnowWhen's every 3 months. Fit also leads on iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fit ships an update weekly, KnowWhen every 3 months. The most recent releases landed on September 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Fit | KnowWhen |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | — | Free |
| Size | 32 MB | 6 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Sepi K Fit Pilates inc.](https://appshunter.io/developer/1867014677) | [Launch Round](https://appshunter.io/developer/1580265297) |

## What reviewers say

### Fit

[App page](https://appshunter.io/ios/app/fit-pilates/id6757441873)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fit free?

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

### Is KnowWhen free?

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

### Do Fit or KnowWhen have ads?

Neither Fit nor KnowWhen shows ads.

### Which is updated more often, Fit or KnowWhen?

Fit ships an update weekly, and KnowWhen every 3 months. Most recently, Fit was updated on September 12, 2026 and KnowWhen on October 10, 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.*