# RSS Reader vs Undy

The clearest difference is update cadence: Undy at weekly against RSS Reader's every 34 months. RSS Reader's advantage is iOS requirement (16.0 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RSS Reader sells 2 in-app purchases, starting at $1.49 per month and Undy sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

RSS Reader ships an update every 34 months, Undy weekly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RSS Reader | Undy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undy-read-and-write-easily/id6457516127/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 2 MB | 43 MB |
| Requires iOS | **16.0** | 18.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [杏娣 吴](https://appshunter.io/developer/1275821426) | [Benjamin Moore](https://appshunter.io/developer/1700973051) |

## What reviewers say

### RSS Reader

[App page](https://appshunter.io/ios/app/rss-reader-widget-rss-reader/id6457204274)

Stay updated with your favorite news and blogs directly from your home screen. This app allows you to add RSS feeds and view them through customizable widgets, with options to archive articles and use a dark mode.

**Highlights:** Home screen RSS widgets, Add and manage RSS feeds, Link previews, OPML/CSV import/export, Archive favorite articles, Dark mode

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RSS Reader Pro | $1.49 | per month |
| RSS Reader Pro | $9.99 | per year |


### Undy

[App page](https://appshunter.io/ios/app/undy-read-and-write-easily/id6457516127)

This app simplifies complex texts, making them easy to understand. It helps you read and comprehend various documents, from medical notes to legal documents. Additionally, it offers assistance for clear English writing.

**Highlights:** Simplifies complex texts, Makes documents easy to read, Assists with English writing, Supports various document types, Free to use

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |


## Frequently asked questions

### Is RSS Reader free?

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

### Is Undy free?

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

### Do RSS Reader or Undy have ads?

Neither RSS Reader nor Undy shows ads.

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

RSS Reader ships an update every 34 months, and Undy weekly. Most recently, RSS Reader was updated on October 27, 2026 and Undy on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*