# Hush vs Knowing

The clearest difference is in-app purchases: Hush at none against Knowing's 3. Hush also leads on iOS requirement (15.0 vs 17.0). Knowing's advantage is update cadence (every 10 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Knowing sells 3 in-app purchases, starting at $9.99 per month. Hush asks for nothing beyond the download.

Hush ships an update every 4 weeks, Knowing every 10 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Hush | Knowing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hush-cycle-tracker/id6770386399/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 10 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Eric Stewart](https://appshunter.io/developer/1887427552) | [DUMITRU BUMBU](https://appshunter.io/developer/1868107712) |

## What reviewers say

### Hush

[App page](https://appshunter.io/ios/app/hush-cycle-tracker/id6770386399)

This privacy-focused app tracks menstrual cycles, symptoms, and fertility phases using on-device data. It offers customizable logging, pattern detection, and educational content without requiring an account or internet connection.

**Highlights:** On-device data storage, Period and symptom logging, Phase detection (menstrual, follicular, ovulation, luteal), Fertility and pregnancy tracking modes, Customizable symptom flags, Data export (JSON, CSV, iCal), Educational content library

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

**In-app purchases:** none


### Knowing

[App page](https://appshunter.io/ios/app/knowing-ovulation-and-period/id6815146644)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |
| Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is Hush free?

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

### Is Knowing free?

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

### Do Hush or Knowing have ads?

Neither Hush nor Knowing shows ads.

### Which is updated more often, Hush or Knowing?

Hush ships an update every 4 weeks, and Knowing every 10 days. Most recently, Hush was updated on November 5, 2026 and Knowing on November 9, 2026.

---

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