# Syncrogest vs Chemical anchoring volume

The clearest difference is update cadence: Syncrogest at every 3 weeks against Chemical anchoring volume's every 3 months. Chemical anchoring volume's advantage is iOS requirement (12.0 vs 15.0). 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.

Syncrogest ships an update every 3 weeks, Chemical anchoring volume every 3 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Syncrogest | Chemical anchoring volume |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 20 MB | 93 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Syncrogest Srl](https://appshunter.io/developer/1742566580) | [Wurth Espana S.A.](https://appshunter.io/developer/1010612685) |

## What reviewers say

### Syncrogest

[App page](https://appshunter.io/ios/app/syncrogest/id462766279)

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

**In-app purchases:** none


### Chemical anchoring volume

[App page](https://appshunter.io/ios/app/chemical-anchoring-volume/id6446152944)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Syncrogest free?

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

### Is Chemical anchoring volume free?

Chemical anchoring volume is free to download, with no in-app purchases.

### Do Syncrogest or Chemical anchoring volume have ads?

Neither Syncrogest nor Chemical anchoring volume shows ads.

### Which is updated more often, Syncrogest or Chemical anchoring volume?

Syncrogest ships an update every 3 weeks, and Chemical anchoring volume every 3 months. Most recently, Syncrogest was updated on October 8, 2026 and Chemical anchoring volume 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.*