# Silenus vs Acetate

The clearest difference is in-app purchases: Acetate at none against Silenus's 11. Acetate also leads on update cadence (every 6 days vs every 3 weeks). Silenus's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price and ads there is nothing between them.

Both are free to download. Silenus sells 11 in-app purchases, starting at $0.99 per 7 days. Acetate asks for nothing beyond the download.

Silenus ships an update every 3 weeks, Acetate every 6 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Silenus | Acetate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 60 MB | 246 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yu Tse Wu](https://appshunter.io/developer/1032252133) | [BMB ENTERPRISES LTD](https://appshunter.io/developer/1447857231) |

## What reviewers say

### Silenus

[App page](https://appshunter.io/ios/app/silenus/id1064009477)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Terminus | $0.99 | per 7 days |
| Mensis | $2.99 | per month |
| Annus | $29.99 | per year |
| Super | Free | one-time |
| Remedium | Free | one-time |
| Minuo | $0.99 | one-time |
| Acuere | $0.99 | one-time |
| Labes | $1.99 | one-time |
| Mollis | $1.99 | one-time |
| Fictilis | $1.99 | one-time |
| Conversio | $1.99 | one-time |


### Acetate

[App page](https://appshunter.io/ios/app/acetate/id6756181513)

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

**In-app purchases:** none


## Frequently asked questions

### Is Silenus free?

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

### Is Acetate free?

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

### Do Silenus or Acetate have ads?

Neither Silenus nor Acetate shows ads.

### Which is updated more often, Silenus or Acetate?

Silenus ships an update every 3 weeks, and Acetate every 6 days. Most recently, Silenus was updated on September 10, 2026 and Acetate on September 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.*