Cosy Reader vs Stacks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosy Reader
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Cosy Reader is the calm home for everything you mean to read. Your RSS feeds, the articles you bookmark, and the newsletters you subscribe to — finally in one quiet place, in the order they were published. No algorithm. No "for you" tab. No infinite scroll nudging you to read more than you want. Just your reading, the way you chose it. THREE THINGS, ONE HOME • RSS feeds — Follow blogs, news sites, and podcasts. One chronological timeline, no algorithm deciding for you. Bring your existing subscriptions with a one-click OPML import. • Bookmarks — Save any article from the web in one click with the Chrome or Firefox extension. Your reading list is one tap away — come back when you actually have time to read. • Newsletters — Get a dedicated inbox address. Newsletters land in the app, not in your email. Read them when you sit down to read, not between meetings. CALM DOESN'T MEAN BARE-BONES • Search — Find anything by title, URL, or a line you remember reading. • Filters — Filter by tag, source, or reading status, and combine them to find exactly what you need. • Reading progress — A bar tracks where you are, so you pick up right where you left off. • Collections — Group your sources into topics. Read tech on Monday, cooking on Sunday. HOSTED IN EUROPE. YOUR DATA STAYS YOURS. EU-hosted servers. No trackers selling your data. No dark patterns. Delete your account and everything goes with it. COMING FROM ANOTHER APP? Import your subscriptions from any RSS reader via OPML, and your saved articles as a CSV file. Everything comes with you. SIMPLE PRICING Start free: 200 bookmarks, 20 RSS feeds, and import from your current tools — no credit card required. Upgrade to Pro for unlimited bookmarks, unlimited feeds, and the newsletter inbox. One calm place for everything you mean to read.
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 update cadence: Stacks at daily against Cosy Reader's every 8 days. Cosy Reader's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Cosy Reader ships an update every 8 days, Stacks daily. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | Cosy Reader | Stacks |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 49 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Aroniaina ANDRIAMARO | Richard Russell |
In-app purchases
Cosy Reader
No in-app purchases
Stacks
No in-app purchases









