Comparison

ReadFlow vs SimpleFy

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

Head to head
About

ReadFlow

This app transforms PDF documents into a comfortable reading experience on small screens. It offers text reflow, customization options for fonts and themes, and iCloud sync for seamless access across devices. Enjoy reading PDFs as easily as other ebook formats.

Highlights
  • PDF text reflow for mobile
  • Customizable fonts and themes
  • Import custom font files
  • iCloud sync
  • PDF file cropping
  • Metadata editing
  • Generate and share reflowed text
Features
Read full description

Designed for mobile reading! ReadFlow is a carefully crafted reading app for EPUB and PDF, made to feel refined, smooth, and close to reading on paper. For PDF, we built text reflow so small type and unclear scans are no longer a struggle on a phone. On iPhone Duo and iPad, dual-page reading is supported—like turning a real book. Key features: - EPUB reading with page-turn or scroll - PDF text reflow with page-turn or scroll, a preview wizard, automatic body-text detection, and multiple languages¹ - EPUB highlights, notes, and bookmarks - In-book search for EPUB and PDF - Custom font, size, and line spacing; import font files² - Reading themes that follow the system light/dark appearance - Dual-page reading on iPad landscape and foldable inner displays - iCloud sync with on-demand download to save storage and data - EPUB and PDF metadata editing (title, publisher, author, and more) - Export reflowed text as TXT and share³ - Library filters, favorites, and more fine details Free to download. ReadFlow Pro unlocks highlights/notes, reflow text export, and more via In-App Purchase / subscription. ¹ Auto-detect: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Simplified Chinese, Traditional Chinese, Ukrainian, Thai, Vietnamese, Arabic ² Supported formats: otf, ttf ³ TXT is plain text—body only for now; table of contents, images, and other complex content are not supported yet Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://is.gd/TgnFzI

About

SimpleFy

Features
Read full description

An app simply made to manage your day to day tasks

Screenshots

ReadFlow4 screens
SimpleFy4 screens

Verdict

The call

The clearest difference is in-app purchases: SimpleFy at none against ReadFlow's 3. SimpleFy also leads on iOS requirement (18.2 vs 26.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ReadFlow sells 3 in-app purchases, starting at $0.99 per month. SimpleFy asks for nothing beyond the download.

Scorecard2 real differences · 8 level
ReadFlow versus SimpleFy: the parameters behind the verdict, then further details
ParameterReadFlowSimpleFy
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 20 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.2 — better
Further details — not scored
Size14 MB0 MB
Age rating4+4+
Developer实 许Peter Subrata

In-app purchases

3 purchases

ReadFlow

Subscriptions2
  • ReadFlow Pro 1x$0.991 Month
  • ReadFlow Pro 12x$9.991 Year
One-time1
  • ReadFlow Pro ∞$19.99
None

SimpleFy

No in-app purchases

Questions

Is ReadFlow free?
ReadFlow is free to download, with in-app purchases available.
Is SimpleFy free?
SimpleFy is free to download, with no in-app purchases.
Do ReadFlow or SimpleFy have ads?
Neither ReadFlow nor SimpleFy shows ads.

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