Comparison

Zin Flow vs ReadPup

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

Head to head
About

Zin Flow

Convert web articles into clean EPUB or Markdown files for offline reading and personal knowledge management. Save content from browsers or other apps, organize with tags, and search your library. Premium offers unlimited conversions and full offline access.

Highlights
  • Web article to EPUB conversion
  • Markdown export for PKM
  • Browser and share extensions
  • Offline reading mode
  • Tag-based organization
  • Full-text library search
  • Multi-article EPUB export
Features
Read full description

Zin Flow can discover similar articles on the current web page and batch-save your selections, while supporting offline reading and export to EPUB ebooks or Markdown documents. Collect valuable articles in one place and organize web content for long-term reading and archiving. Create better personal eBooks from the web: • Extract readable article content from web pages • Export clean EPUB files for long-form reading • Combine multiple articles into one eBook • Edit chapters before export • Customize the EPUB cover • Edit book information such as title, author, language, publication date, and publisher • Choose whether the table of contents appears as a reading page or only as navigation Save and read later: • Save text and images for offline reading • Add articles from other apps with the Share Extension • Keep a read-it-later library synced with iCloud • Use tags to organize topics, projects, and reading lists • Search across saved article content Export Markdown: • Export web articles as Markdown files • Preserve headings, paragraphs, lists, and links • Use saved content for notes, writing, research, or a personal knowledge base Browser and extension support: • Save pages from iPhone and iPad using the Share Extension • Discover similar articles on the current page with the browser extension and batch-save selected items to your library • Send the current page from a desktop browser to Zin Flow • Save the article content from pages you have already opened, including pages that require a signed-in session The free version includes basic conversion trials. Pro unlocks unlimited conversions, offline reading, watermark-free export, and more advanced capabilities. Zin Flow is designed for readers, researchers, developers, writers, and anyone who wants to keep web articles in a cleaner, more durable format. Your content is processed locally. Zin Flow does not upload your articles or collect personal reading data. Privacy Policy: https://wanyi.dev/en/zinflow/privacy Standard Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ReadPup

Features
Read full description

ReadPup reads web pages aloud. Perfect for articles, novels, and language learning. HOW TO USE: 1. Open any browser (Safari, Chrome, Edge, Firefox) 2. Navigate to any article or novel 3. Tap Share, then select ReadPup 4. Tap Play to listen! FEATURES: - Text-to-speech for any webpage - Auto-continue to next chapter - Supports English, Chinese (Simplified and Traditional) - Background playback PREMIUM - BILINGUAL MODE: Learn while you listen! Each sentence is read in the original language, then translated. Perfect for language learners.

Screenshots

Zin Flow4 screens
ReadPup4 screens

Verdict

The call

The clearest difference is ads: ReadPup at none against Zin Flow's shown. On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zin Flow sells 3 in-app purchases, starting at $2.99 per month and ReadPup sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Zin Flow versus ReadPup: the parameters behind the verdict, then further details
ParameterZin FlowReadPup
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size33 MB4 MB
Age rating4+17+
Developer祎 万Chitung Chi

In-app purchases

3 purchases

Zin Flow

Subscriptions2
  • Pro - Monthly$2.991 Month
  • Pro - Yearly$12.991 Year
One-time1
  • Pro - Lifetime$19.99
1 purchases

ReadPup

One-time1
  • Premium - Bilingual Mode$2.99

Questions

Is Zin Flow free?
Zin Flow is free to download, with in-app purchases available.
Is ReadPup free?
ReadPup is free to download, with in-app purchases available.
Do Zin Flow or ReadPup have ads?
Zin Flow shows ads; ReadPup does not.

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