Comparison

FolioSpace Reader vs Common Reader

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

Head to head
About

FolioSpace Reader

This personal reading client allows you to browse, organize, and read your digital library. Enjoy comfortable reading layouts for books and comics, with optimized performance for large collections on iPad.

Highlights
  • Connect to FolioSpace Library server
  • Browse and organize remote library
  • Read EPUB, PDF, comics, webtoons
  • Comfortable reading layouts
  • Optimized for large libraries
  • Local caching for comics
Features
Read full description

FolioSpace Reader brings your personal EPUB books, local TXT files, PDFs, comics, and webtoons to iPhone and iPad. Read without a local book limit. Customize typography, use bookmarks and notes, and connect one FolioSpace Library server for browsing, search, reading progress, and offline downloads. On iPhone Duo, keep your bookshelf and book cover on the outer display. Open a book to full-screen reading on the inner display, with side-by-side pages in landscape and a single page in portrait. Unlock Pro with a one-time purchase. Pro includes page-turn animations, the full ambient sound collection, up to five saved FolioSpace Library servers, Calibre-Web and Komga connections, and Markdown notes export. No subscription is required. Core reading, accessibility controls, and your existing books and reading data remain available in the free edition. AI translation and bilingual reading are not included in this release. Terms of Use: https://foliospace.app/terms.html Privacy Policy: https://foliospace.app/privacy.html

About

Common Reader

This app offers a unified reading and AI-powered analysis experience for various ebook formats. It allows users to ask questions about book content, automatically organize their library, and sync across multiple devices. Privacy is a core focus, with no proactive data collection.

Highlights
  • Supports multiple ebook formats (epub, azw3, mobi, txt, md, pdf)
  • AI-powered questions about book content
  • Automatic library organization with generative AI
  • Cloud sync (iCloud, OneDrive, WebDAV)
  • Fast full-library search
  • Unified cross-platform interface
Features
Read full description

- UI and interactions follow a carefully unified cross-platform logic and are built with native technologies for iOS and iPadOS. - Supports many ebook formats, including epub, azw3, mobi, txt, markdown, and pdf. - Supports nearly every ebook rendering feature, including vertical writing and RTL. - Listen with built-in system voices or AI voice models. - A high-performance, Metal-powered simulated page-turn engine offers an unparalleled visual experience. - Deeply integrates AI features for asking questions about books and automatically organizing your library with generative AI. - Supports cloud sync through iCloud, OneDrive, Google Drive, WebDAV, and more. - Provides fast full-library search across books, authors, tags, notes, highlights, and original text. - The app does not proactively collect any of your information. Your data is only processed by the model and cloud storage providers you trust.

Screenshots

FolioSpace Reader3 screens
Common Reader4 screens

Verdict

The call

The clearest difference is rating: FolioSpace Reader at 5.0 against Common Reader's 3.0. FolioSpace Reader also leads on review sentiment (100% vs 80%) and iOS requirement (18.0 vs 26.0). Common Reader's advantage is update cadence (every 2 days vs every 9 days). On price, ratings volume, ads and in-app purchases 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. FolioSpace Reader sells 1 one-off in-app purchase and Common Reader sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FolioSpace Reader holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of FolioSpace Reader's written reviews are positive against 80% of Common Reader's.

UpkeepUpdate frequency

FolioSpace Reader ships an update every 9 days, Common Reader every 2 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
FolioSpace Reader versus Common Reader: the parameters behind the verdict, then further details
ParameterFolioSpace ReaderCommon Reader
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings12 — better
Update frequencyEvery 9 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Apple Watch, Vision Pro — betteriPhone, iPad, Mac
Requires iOS18.0 — better26.0
Further details — not scored
Size34 MB119 MB
Age rating4+4+
Developer晓东 傅天宇 高

Customer experience

FolioSpace Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Common Reader

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

1 purchases

FolioSpace Reader

One-time1
  • Lifetime Pro$6.99
5 purchases

Common Reader

One-time5
  • 1 Cup of Coffee$4.00
  • 2 Cups of Coffee$8.00
  • Lifetime Unlock$9.99
Show 2 more
  • 4 Cups of Coffee$16.00
  • Many coffees$32.00

Questions

Is FolioSpace Reader free?
FolioSpace Reader is free to download, with in-app purchases available.
Is Common Reader free?
Common Reader is free to download, with in-app purchases available.
Which has better reviews, FolioSpace Reader or Common Reader?
FolioSpace Reader is rated higher. FolioSpace Reader averages 5.0 out of 5 from 1 ratings, while Common Reader averages 3.0 from 2 ratings.
Do FolioSpace Reader or Common Reader have ads?
Neither FolioSpace Reader nor Common Reader shows ads.
Which is updated more often, FolioSpace Reader or Common Reader?
FolioSpace Reader ships an update every 9 days, and Common Reader every 2 days. Most recently, FolioSpace Reader was updated on October 31, 2026 and Common Reader on October 29, 2026.

Other comparisons