# RSS Reader vs Flux

The clearest difference is in-app purchases: Flux at none against RSS Reader's 7. RSS Reader's advantage is update cadence (every 2 weeks vs every 4 weeks) and iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. RSS Reader sells 7 in-app purchases, starting at $2.00 per month. Flux asks for nothing beyond the download.

RSS Reader ships an update every 2 weeks, Flux every 4 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RSS Reader | Flux |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 44 MB | 13 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FoxfortMobile](https://appshunter.io/developer/1544295696) | [Ubbik](https://appshunter.io/developer/1569973156) |

## What reviewers say

### RSS Reader

[App page](https://appshunter.io/ios/app/rss-reader-zers/id6756039543)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zers Premium Monthly | $2.00 | per month |
| Zers Premium Weekly | $2.00 | per 7 days |
| Zers Premium Weekly 2 | $3.99 | per 7 days |
| Zers Premium Yearly | $8.00 | per year |
| Zers Premium Yearly 2 | $12.00 | per year |
| Zers Premium Lifetime | $12.00 | one-time |
| Zers Premium Lifetime 2 | $20.00 | one-time |


### Flux

[App page](https://appshunter.io/ios/app/flux-clean-rss-reader/id6769697159)

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

**In-app purchases:** none


## Frequently asked questions

### Is RSS Reader free?

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

### Is Flux free?

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

### Do RSS Reader or Flux have ads?

Neither RSS Reader nor Flux shows ads.

### Which is updated more often, RSS Reader or Flux?

RSS Reader ships an update every 2 weeks, and Flux every 4 weeks. Most recently, RSS Reader was updated on October 7, 2026 and Flux on October 3, 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.*