Flux vs CMRSS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flux
Consolidate your RSS and Atom feeds into a streamlined reading experience across iPhone, iPad, and Mac. Organize articles into folders, save them for later, and enjoy features like voice reading and on-device summaries with Apple Intelligence.
- Consolidate RSS and Atom feeds
- Organize articles into folders
- Save articles for later reading
- Voice reading of articles
- On-device article summaries with Apple Intelligence
- iCloud synchronization across Apple devices
Read full descriptionHide full description
Flux brings your RSS and Atom feeds together in a reading app for iPhone, iPad and Mac. Follow your sources, organize your articles and find what interests you. TODAY'S ESSENTIALS The Today view offers a daily selection of your articles. The Feed Wall lets you browse stories through images. On iPad and Mac, full-screen mode makes reading more immersive. YOUR SOURCES, YOUR ORGANIZATION Add feeds, organize them into folders and save articles for later. Import and export your library to keep your sources together. READ YOUR WAY Open articles in the reader or visit the original page. Listen with text-to-speech. On compatible devices, Apple Intelligence can summarize articles directly on your device. This feature requires Apple Intelligence to be enabled and available in your language. ACROSS YOUR APPLE DEVICES Flux offers an interface tailored to iPhone, iPad and Mac, widgets, and iCloud library sync when you use iCloud. No Flux account required. You choose the sources you want to follow.
CMRSS
This news reader offers a streamlined way to consume content across all Apple devices. It features on-device AI for article summarization and robust organization tools, ensuring a private and efficient reading experience.
- iCloud sync across Apple devices
- On-device AI article summarization
- Tabbed reading with built-in browser
- Organize feeds into folders
- Follow YouTube, Reddit, X, Instagram, TikTok, Facebook
- Smart Folders with custom rules
- Widgets for desktop and Home Screen
Read full descriptionHide full description
CMRSS — A native RSS reader for Mac, iPhone, and iPad CMRSS is a fast, beautifully native RSS reader that keeps up with everything you follow — and helps you read it in less time. One app, every Apple device, perfectly in sync. Everything, everywhere — automatically Your feeds, folders, and read/unread state sync seamlessly through iCloud. Set things up once and pick up exactly where you left off, whether you're on your Mac, iPhone, or iPad. Read smarter with on-device AI Get a clear one- or two-sentence summary of any article, generated privately on your device with Apple Intelligence. Skim your feeds, catch what matters, and dive in only when you want to. Nothing is sent to a server. Built for focused reading • Tabbed reading with a built-in browser — open full articles without leaving the app, and your open tabs follow you to your other devices • Unread-first workflow — jump straight to what's new, or browse everything • Organize feeds into folders that stay in sync everywhere • Tune your layout: title line count, summaries on or off Follow more than blogs • Paste a YouTube channel or a subreddit — CMRSS finds the feed for you • Follow X, Instagram, TikTok, Facebook pages, and entire websites through the optional RSS.app integration (RSS.app account required) • Import and export OPML to bring your subscriptions with you — or take them anywhere Smart Folders • Folders that fill themselves — collect articles by title, content, feed, age, or read state • Combine rules into nested any/all groups for precise filters • Unread counts and iCloud sync, just like regular folders Widgets for your desktop and Home Screen • An unread ring for a glanceable count, or latest-articles widgets in two sizes • Show everything or pick a single feed; tap to jump straight to the article Never miss what you care about • Smart background refresh on your schedule (every 5, 15, 30, or 60 minutes) • Flexible notifications: a single sync summary, one per feed, or one per article • Mark important feeds for per-article alerts • An app-icon badge that always shows your unread count Power features • Dispatch Actions — send any article to your other apps through Shortcuts, with keyboard slots ⌘1–⌘5 • Spotlight search — find your articles right from the desktop or Home Screen • Curated suggestions to get you started fast • Automatic cleanup — choose how long to keep articles to control storage Private by design Sync runs through your own iCloud account, and AI summaries are generated entirely on-device. No third-party servers. No tracking. Your reading is yours. Free to try, one purchase to own Every feature is free with up to 5 feeds. A single one-time purchase unlocks unlimited feeds — no subscription, yours forever. Download CMRSS and make your feeds feel effortless again. Note: AI article summaries require a device that supports Apple Intelligence.
Screenshots
Verdict
The clearest difference is price: CMRSS at Free against Flux's $3.99. Flux's advantage is in-app purchases (none vs 1) and chart position (#90 vs unranked). On review sentiment, ads, device support and iOS requirement 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
CMRSS is free to download; Flux costs $3.99 up front. CMRSS sells 1 one-off in-app purchase. Flux asks for nothing beyond the download.
Flux ships an update every 3 days, CMRSS every 6 days. Both last shipped on October 25, 2026.
| Parameter | Flux | CMRSS |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | #90 — better | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 19 MB | 20 MB |
| Age rating | 17+ | 17+ |
| Developer | Adrien DONOT | Charlie Monroe Software, s.r.o. |
Customer experience
Flux
CMRSS
In-app purchases
Flux
No in-app purchases
CMRSS
- CMRSS Pro$9.99









