Feed Viewer vs Stacks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Feed Viewer
This app aggregates news from your chosen RSS feeds and converts them into daily podcasts. It functions as a full-text reader, even when offline, and offers synchronization across multiple Apple devices and Windows.
- Full-text RSS reader
- Offline reading capability
- News podcasts from feeds
- Cross-device synchronization
- RSS feed search
- OPML import
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Feed Viewer is an RSS reader with a news widget for iPhone/iPad/Mac and a personal podcast news app. It is perfect for daily news delivery or as an offline reader for traveling. You’ll have a podcast compiled from your chosen sources, ready for you to listen to every day. Product features: • Full-text RSS reader, even offline • News podcasts from the content of your RSS feeds • iOS ↔ iPadOS ↔ macOS ↔ Windows synchronization • RSS feed search • OPML import Terms of use (EULA): https://www.feedviewer.app/termsofuse
Stacks
A distraction-free reader for newsletters, blogs, and podcasts that downloads content for offline access. Enjoy your favorite content anywhere, even without an internet connection, with smart automatic downloads and a clean interface.
- Fully offline content access
- Smart automatic downloading
- Distraction-free reading interface
- Built-in podcast player
- Fast full-text search
- Private by design, no account needed
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Stacks is a calm, fully offline reader for the newsletters, blogs, and podcasts you already follow. Add any Substack or RSS feed and Stacks downloads the full articles, images, and podcast episodes to your iPhone so you can read and listen anywhere, even with no signal. On a plane, on the subway, off the grid: nothing buffers, nothing reloads. WHY YOU'LL LIKE IT • Truly offline — full article text, images, and audio are stored on your device for reading and listening with no connection. • A clean, distraction-free reader with adjustable text size, light and dark themes, and a built-in podcast player. • Smart automatic downloading keeps your latest posts ready and manages storage for you. • Fast full-text search across everything you've saved. • Collapsible comment threads, when you want them. PRIVATE BY DESIGN Stacks has no servers of its own, no account, and no analytics. Everything it downloads stays on your device and goes nowhere else. No tracking, no ads. No account is required: just add a feed and pull to refresh. ——— Not affiliated with, sponsored by, or endorsed by Substack Inc.
Screenshots
Verdict
The clearest difference is review sentiment: Stacks at 100% against Feed Viewer's 0%. Stacks also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 4). Feed Viewer's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Feed Viewer sells 4 in-app purchases, starting at $2.99 per month. Stacks asks for nothing beyond the download.
Stacks holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of Feed Viewer's written reviews are positive against 100% of Stacks's.
Feed Viewer ships an update every 9 days, Stacks daily. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.
| Parameter | Feed Viewer | Stacks |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 2 |
| Update frequency | Every 9 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Vaclav Dajbych | Richard Russell |
Customer experience
Feed Viewer
Stacks
In-app purchases
Feed Viewer
- Essential3 Days trial$2.991 Month
- Basic3 Days trial$9.991 Month
- Advanced$19.991 Month
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- Premium$24.991 Month
Stacks
No in-app purchases









