# Focus Stacks vs Zin Feed

The clearest difference is price: Zin Feed at Free against Focus Stacks's $4.99. Focus Stacks's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Zin Feed is free to download; Focus Stacks costs $4.99 up front. Zin Feed sells 3 in-app purchases, starting at $2.99 per month. Focus Stacks asks for nothing beyond the download.

Focus Stacks holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Focus Stacks ships an update weekly, Zin Feed every 3 weeks. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Focus Stacks | Zin Feed |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focus-stacks/id6478795096/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/zin-feed-rss-to-epub/id6748896496/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 17 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, Vision Pro | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Despres](https://appshunter.io/developer/1525630876) | [祎 万](https://appshunter.io/developer/1185381861) |

## What reviewers say

### Focus Stacks

[App page](https://appshunter.io/ios/app/focus-stacks/id6478795096)

Organize your tasks and ideas with a visually appealing, card-based system. Capture everything, customize with colors, add detailed notes, and sync across devices. Never let a task or idea slip away again.

**Highlights:** Capture every task easily, Customize lists with colors, Attach detailed notes to tasks, Automatic iCloud syncing, Card-based design

**Features:** macOS Compatibility

**In-app purchases:** none


### Zin Feed

[App page](https://appshunter.io/ios/app/zin-feed-rss-to-epub/id6748896496)

Transform your favorite RSS feeds into organized, downloadable ebooks in EPUB or PDF format. Enjoy distraction-free offline reading and send your custom collections to Kindle or other ebook apps.

**Highlights:** Convert RSS feeds to EPUB/PDF, Organize content into ebook collections, Offline reading support, Send to Kindle and other ebook apps, Unified article timeline, OPML import for subscriptions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $2.99 | per month |
| Pro - Yearly | $12.99 | per year |
| Pro - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Focus Stacks free?

Focus Stacks costs $4.99, with no in-app purchases.

### Is Zin Feed free?

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

### Which has better reviews, Focus Stacks or Zin Feed?

Focus Stacks is rated higher. Focus Stacks averages 5.0 out of 5 from 1 ratings, while Zin Feed averages 4.0 from 1 ratings.

### Do Focus Stacks or Zin Feed have ads?

Neither Focus Stacks nor Zin Feed shows ads.

### Which is updated more often, Focus Stacks or Zin Feed?

Focus Stacks ships an update weekly, and Zin Feed every 3 weeks. Most recently, Focus Stacks was updated on October 7, 2026 and Zin Feed on October 17, 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.*