# FLAT RSS Reader vs Simplio RSS Reader

The clearest difference is rating: FLAT RSS Reader at 4.4 against Simplio RSS Reader's 3.0. FLAT RSS Reader also leads on in-app purchases (none vs 3). Simplio RSS Reader's advantage is ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Simplio RSS Reader sells 3 in-app purchases, starting at $2.99 per 7 days. FLAT RSS Reader asks for nothing beyond the download.

FLAT RSS Reader holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 8 and 4 respectively.

FLAT RSS Reader ships an update every 2 months, Simplio RSS Reader every 8 days. The most recent releases landed on June 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | FLAT RSS Reader | Simplio RSS Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/flat-rss-reader/id882417369/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/simplio-rss-reader/id6746756038/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Ad-supported** | Subscription |
| Size | 39 MB | 29 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nobuhide Uzawa](https://appshunter.io/developer/869281903) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### FLAT RSS Reader

[App page](https://appshunter.io/ios/app/flat-rss-reader/id882417369)

This app offers a streamlined way to follow your favorite news sources. Easily manage your RSS feeds, discover new ones from website URLs, and save interesting articles for later access.

**Highlights:** Manage registered RSS information, Get RSS from website URLs, Register favorite news content, Simple outlook, Useful functions

**Features:** macOS Compatibility

**In-app purchases:** none


### Simplio RSS Reader

[App page](https://appshunter.io/ios/app/simplio-rss-reader/id6746756038)

This app offers a private and chronological way to follow news and blogs without algorithmic manipulation or advertisements. It supports various feed formats and provides robust organization tools. Unlock advanced features like unlimited feeds and keyword filtering with a subscription.

**Highlights:** RSS, Atom, JSON feed support, OPML import/export, Folders and tags for organization, Unread count widgets, Clean reader mode, Full offline reading, iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $6.99 | per month |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is FLAT RSS Reader free?

FLAT RSS Reader is free to download, with no in-app purchases.

### Is Simplio RSS Reader free?

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

### Which has better reviews, FLAT RSS Reader or Simplio RSS Reader?

FLAT RSS Reader is rated higher. FLAT RSS Reader averages 4.4 out of 5 from 8 ratings, while Simplio RSS Reader averages 3.0 from 4 ratings.

### Do FLAT RSS Reader or Simplio RSS Reader have ads?

FLAT RSS Reader shows ads; Simplio RSS Reader does not.

### Which is updated more often, FLAT RSS Reader or Simplio RSS Reader?

FLAT RSS Reader ships an update every 2 months, and Simplio RSS Reader every 8 days. Most recently, FLAT RSS Reader was updated on June 8, 2026 and Simplio RSS Reader on September 7, 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.*