Comparison

Feed Viewer vs Stacks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Full-text RSS reader
  • Offline reading capability
  • News podcasts from feeds
  • Cross-device synchronization
  • RSS feed search
  • OPML import
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

Feed Viewer4 screens
Stacks4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Feed Viewer ships an update every 9 days, Stacks daily. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

Scorecard7 real differences · 3 level
Feed Viewer versus Stacks: the parameters behind the verdict, then further details
ParameterFeed ViewerStacks
PriceFreeFree
Rating3.0 (2 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 9 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size37 MB7 MB
Age rating17+4+
DeveloperVaclav DajbychRichard Russell

Customer experience

Feed Viewer

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Stacks

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Feed Viewer

Subscriptions4
  • Essential3 Days trial$2.991 Month
  • Basic3 Days trial$9.991 Month
  • Advanced$19.991 Month
Show 1 more
  • Premium$24.991 Month
None

Stacks

No in-app purchases

Questions

Is Feed Viewer free?
Feed Viewer is free to download, with in-app purchases available.
Is Stacks free?
Stacks is free to download, with no in-app purchases.
Which has better reviews, Feed Viewer or Stacks?
Stacks is rated higher. Feed Viewer averages 3.0 out of 5 from 2 ratings, while Stacks averages 5.0 from 2 ratings.
Do Feed Viewer or Stacks have ads?
Neither Feed Viewer nor Stacks shows ads.
Which is updated more often, Feed Viewer or Stacks?
Feed Viewer ships an update every 9 days, and Stacks daily. Most recently, Feed Viewer was updated on October 13, 2026 and Stacks on October 8, 2026.

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