# Sillans vs Brief.science

The clearest difference is update cadence: Brief.science at every 6 weeks against Sillans's every 20 months. Sillans's advantage is iOS requirement (13.0 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.

Sillans ships an update every 20 months, Brief.science every 6 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sillans | Brief.science |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 28 MB | 14 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centaure Systems](https://appshunter.io/developer/1074264443) | [Brief Media (Apps)](https://appshunter.io/developer/1491061808) |

## What reviewers say

### Sillans

[App page](https://appshunter.io/ios/app/sillans-la-cascade/id1429715652)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brief.science

[App page](https://appshunter.io/ios/app/briefscience/id1611031659)

This app delivers weekly scientific discoveries and in-depth explanations of current scientific topics. It features curated news, historical scientific breakthroughs, and a selection of web content, all presented without advertisements.

**Highlights:** Weekly scientific discoveries, In-depth science articles, Curated web content, Historical science features, Live monthly Q&A with specialists, Ad-free experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Sillans free?

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

### Is Brief.science free?

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

### Do Sillans or Brief.science have ads?

Neither Sillans nor Brief.science shows ads.

### Which is updated more often, Sillans or Brief.science?

Sillans ships an update every 20 months, and Brief.science every 6 weeks. Most recently, Sillans was updated on October 26, 2026 and Brief.science on October 27, 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.*