# Flat RSS vs Saturn

The clearest difference is review sentiment: Flat RSS at 100% against Saturn's 50%. Flat RSS also leads on ads (none vs shown). Saturn's advantage is in-app purchases (none vs 3). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Flat RSS sells 3 in-app purchases, starting at $3.99 per month. Saturn asks for nothing beyond the download.

Flat RSS ships an update every 10 days, Saturn every 5 days. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Flat RSS | Saturn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/saturn-rss-reader/id6775278867/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Freemium | **Ad-supported** |
| Size | 19 MB | 54 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Rene Fischer](https://appshunter.io/developer/1868527187) | [Zach Olsen](https://appshunter.io/developer/1835300242) |

## What reviewers say

### Flat RSS

[App page](https://appshunter.io/ios/app/flat-rss/id6759013390)

Consolidate all your reading, watching, and listening into one calm, chronological feed. Save articles, videos, and podcasts from various sources, with offline access and cross-device sync. Enjoy a private, ad-free experience.

**Highlights:** Unified feed for RSS, podcasts, videos, social media, Save articles, videos, and links to Stash, Offline access for saved content, Cross-device iCloud sync, Ad-free and privacy-focused experience, Customizable feed filtering

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flat Pro Monthly | $3.99 | per month |
| Flat Pro Yearly | $19.99 | per year |
| Flat Pro Lifetime | $44.99 | one-time |


### Saturn

[App page](https://appshunter.io/ios/app/saturn-rss-reader/id6775278867)

This app aggregates content from your favorite websites, blogs, and YouTube channels into a clean, distraction-free reading experience. It syncs your progress across Apple devices and allows you to save articles for later.

**Highlights:** Follow websites, blogs, and YouTube channels, Distraction-free Reader View, iCloud sync across Apple devices, Save articles for later, Discover new publications, Privacy-focused design

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flat RSS free?

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

### Is Saturn free?

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

### Do Flat RSS or Saturn have ads?

Saturn shows ads; Flat RSS does not.

### Which is updated more often, Flat RSS or Saturn?

Flat RSS ships an update every 10 days, and Saturn every 5 days. Most recently, Flat RSS was updated on October 2, 2026 and Saturn on October 11, 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.*