Readonly vs Curio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Readonly
Save articles from other apps to read later in a comfortable, distraction-free environment. Organize your saved content with tags, highlight key passages, and add notes for deeper comprehension. Customize the reading experience with various themes and layout adjustments.
- Quickly save articles from other apps
- Highlight text and add notes
- Organize articles with tags
- Customize reading themes and layout
- Synchronize data via iCloud
- Export articles in Markdown format
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"Readonly" is a simple and easy to use read later app. There are not too many complicated features, just to give you a comfortable place to read your saved articles. Featured Functions - Highlight & Notes While reading, use different colors to highlight text, mark key points for easy review later. You can also add notes to the highlights, recording your thoughts and insights, making each reading session more rewarding. - Theme Switching We have carefully prepared some themes suitable for reading, choose your favorite from it, relax your eyes and focus on reading. - iCloud Synchronization Data synchronization to the cloud, no longer worry about data loss. - Tag Management Tag articles, categorize and manage them, keep everything in order. - Layout Adjustment Select fonts, adjust spacing, you can finely control the layout of the article to make reading more comfortable. - Quick Save Quickly save articles in other apps through sharing operations. - Export Articles Export your saved articles in Markdown format. —————————— Contact Us: brkchen@icloud.com
Curio
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Curio is a social RSS reader and read-later app that brings content from different platforms into one personal library. Save what interests you, then read your favorite creators in one app, without getting lost in social media feeds. Save articles, blogs, newsletters, and social posts to a clean reading library. Or follow creators across X, Reddit, YouTube, TikTok, Instagram, and 10+ more sources, Curio adds their new public posts to your library automatically, checked once daily. Read on your time, offline, without ads and without an algorithm deciding what you see. FOLLOW PEOPLE, NOT ALGORITHMS Paste a creator's profile link. Curio checks their public posts daily and adds new ones to your reading library, so you never miss what matters, without opening five different apps. SAVE ANYTHING WORTH READING Send articles, blogs, newsletters, and social posts to Curio with a single tap. Everything is formatted into a clean, distraction-free reading view. READ OFFLINE, FOREVER Content is saved locally on your device the moment you add it. Read on a plane, on the subway, or anywhere without internet. Even if the creator deletes the original post, your saved copy stays with you. READ WITHOUT NOISE No ads. No pop-ups. No suggested content. Just the reading you chose. BUILT FOR THE SOCIAL WEB Curio supports content from X , Reddit, YouTube, TikTok, Instagram, Substack, Medium, Hacker News, LinkedIn, Xiaohongshu, Bluesky, Facebook, Pinterest, Weibo, Lemon8, Snapchat, Tumblr, Threads, Twitch, Vimeo, Kick, Douyin, Kuaishou, Xigua Video, Bilibili, WeChat Official Accounts, WeChat Channels, Zhihu, 36Kr, Huxiu, SSPai, and ifanr, covering 32+ platforms, and any public webpage. Availability varies by platform, account visibility, content type, and regional access. Curio does not bypass paywalls or access private. PRICING • Free: Unlimited web saves, 30 social saves per month. • Curio Plus: Unlimited saves, follow up to 50 creators, daily auto-fetch. Monthly or annual, with a 7-day (monthly) or 14-day (annual) free trial.
Screenshots
Verdict
Readonly and Curio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Readonly sells 2 one-off in-app purchases and Curio sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Readonly ships an update every 3 weeks, Curio every 5 weeks. Both last shipped on October 24, 2026.
| Parameter | Readonly | Curio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (16 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 9 MB | 53 MB |
| Age rating | 4+ | 17+ |
| Developer | 龙 陈 | Wiphox |
In-app purchases
Readonly
- Permanent Purchase(iOS)$2.99
- 永久购买(macOS)$2.99
Curio
- Monthly7 Days trial$4.991 Month
- Yearly14 Days trial$49.991 Year









