# GynSight vs Perim

The clearest difference is in-app purchases: GynSight at none against Perim's 3. GynSight also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Perim sells 3 in-app purchases, starting at $9.99 per 7 days. GynSight asks for nothing beyond the download.

GynSight ships an update every 6 weeks, Perim every 5 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GynSight | Perim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 76 MB | 59 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Washington University in St. Louis](https://appshunter.io/developer/431339390) | [GOKTUG CETIN](https://appshunter.io/developer/1792437913) |

## What reviewers say

### GynSight

[App page](https://appshunter.io/ios/app/gynsight/id6742469000)

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

**In-app purchases:** none


### Perim

[App page](https://appshunter.io/ios/app/perim-perimenopause-tracker/id6768767994)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access Pro | $9.99 | per 7 days |
| Perim Pro Yearly | $49.99 | per year |
| Perim Pro Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is GynSight free?

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

### Is Perim free?

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

### Do GynSight or Perim have ads?

Neither GynSight nor Perim shows ads.

### Which is updated more often, GynSight or Perim?

GynSight ships an update every 6 weeks, and Perim every 5 weeks. Most recently, GynSight was updated on October 24, 2026 and Perim on October 16, 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.*