Comparison

日医Lib vs ArcReader

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

Head to head
About

日医Lib

Access and read electronic books from the Japan Medical Association. Features include unique scrolling for academic papers, shared notes and bookmarks, and social media integration for discussion.

Highlights
  • Electronic books from Japan Medical Association
  • Unique scrolling for academic papers
  • Shared notes and bookmarks
  • SNS integration for discussion
  • Cross-scroll and vertical scroll
Features
Read full description

日医Libは、日本医師会の刊行物が電子書籍で読めるサービスです。 日医Libリーダーは日医Lib Storeサイトへ接続し日本医師会の刊行物を読むために便利な機能を提供します。 -主な機能- (1)十字スクロール機能:論文は一般書籍とは文章構造が異なります。そのため日医Libリーダーでは論文を読む時には縦スクロールし、他の論文へ移動するには横スクロールすることで論文間を自由に移動することが可能です。 (2)メモ付き付箋共有機能:日医Libリーダーには共有登録したメンバー間で、電子書籍につけた付箋やコメントが共有することが可能です。 (3)TwitterやFacebookとのSNS接続機能:気になった論文についてTwitterでさりげなく情報発信してみたり、Facebook上でおもいっきり議論することが可能です。

About

ArcReader

Download and read web novels offline with customizable themes, fonts, and scroll modes. Convert novels to audiobooks with on-device narration and build vocabulary with an integrated dictionary. Sync progress across devices and import EPUB files.

Highlights
  • Download and read web novels offline
  • Customizable reader themes and fonts
  • On-device text-to-speech narration
  • EPUB file import
  • Integrated dictionary with flashcards
  • Cross-device reading progress sync
Features
Read full description

Paste any web novel link. Download every chapter. Read offline anywhere — no account, no subscription required to start. ArcReader is the offline-first reader for Royal Road, WTR-Lab, NovelFire, and dozens more sources. Bring your own link, we handle the rest — whether it's progression fantasy, xianxia, cultivation fiction, LitRPG, isekai, romance, or any English web novel and light novel. Loved by readers who wanted something quieter: no crowded feeds, no coin walls, just your books. Built for readers who want full control: pick your theme, your font, your scroll mode, and read offline whenever you want. POPULAR GENRES ON ARCREADER Progression Fantasy · Cultivation · Xianxia · Wuxia · Xuanhuan · LitRPG · GameLit · Isekai · Reincarnation · Fantasy · Romance · Sci-Fi · Fanfiction · Thriller · Horror · Slice of Life · Harem · Adventure WHY READERS LOVE ARCREADER A reader designed for long sessions Choose between four themes (Light, Dark, Sepia, Black AMOLED). Adjust font size, line spacing, font family, and margins to find your perfect setup. Switch between paginated mode with page-turn animation, or smooth continuous scroll. Listen with on-device narration Built-in neural text-to-speech turns any novel into an audiobook — runs entirely on your device. No internet required, no data costs, no monthly fees for the core feature. Adjustable speed from 0.75x to 2x, lock-screen controls, sleep timer, and auto-advance between chapters. Offline-first reading Downloaded content stays on your device in a local library — not a temporary cache. Read on airplanes, in tunnels, or anywhere connectivity is unreliable. Import your own EPUB files Already have books saved as EPUB? Import them straight into your library and read them with the same themes, fonts, and narration as everything else. Look up words and build vocabulary Tap any word for an instant dictionary definition, then save it as a flashcard. Review your flashcards later to lock in new vocabulary as you read. Highlights and notes Long-press to highlight passages in four colors with optional notes. Review all your highlights for any title in one place. Reading position sync Auto-saves your position every few seconds. Open a book on another device and continue exactly where you left off, after signing in. No sign-up wall Open the app and start reading. Account creation is optional — only needed if you want to sync between devices. EVERYTHING ARCREADER OFFERS - Customizable reader (themes, fonts, layout, scroll modes) - On-device neural text-to-speech with voice selection - Background audio with lock-screen controls and sleep timer - Highlights and notes with color coding - Import your own EPUB files into your library - Built-in dictionary with tap-to-define - Vocabulary flashcards to review and remember new words - Reading progress auto-save and cross-device sync - Daily reading goals and streaks - Reading statistics and history ARCREADER VIP (OPTIONAL SUBSCRIPTION) ArcReader VIP adds: - Premium cloud voices for high-quality narration - Unlimited chapter downloads - Ad-free reading experience ArcReader VIP is available as a monthly or yearly auto-renewing subscription, or a one-time lifetime purchase. The exact price in your local currency is shown in the app and on the App Store before you confirm. Payment is charged to your Apple ID account at purchase confirmation. Subscriptions auto-renew unless turned off in iOS Settings at least 24 hours before the current period ends; renewal is charged within 24 hours before the period ends. Manage or cancel anytime in Settings > Apple ID > Subscriptions. PRIVACY ArcReader stores your reading data on your device. Optional account sync uses encrypted cloud storage. We do not sell your data. Full privacy policy available below. Terms of Service: https://arcreaders.app/terms.html Privacy Policy: https://arcreaders.app/privacy.html

Screenshots

日医Lib3 screens
ArcReader4 screens

Verdict

The call

The clearest difference is review sentiment: ArcReader at 94% against 日医Lib's 25%. ArcReader also leads on update cadence (weekly vs every 3 months). 日医Lib's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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. ArcReader sells 3 in-app purchases, starting at $5.99 per month. 日医Lib asks for nothing beyond the download.

UpkeepUpdate frequency

日医Lib ships an update every 3 months, ArcReader weekly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
日医Lib versus ArcReader: the parameters behind the verdict, then further details
Parameter日医LibArcReader
PriceFreeFree
Rating—4.9 (47 ratings) — better
Positive reviews25.0% of reviews94.1% of reviews — better
Number of ratings—47 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size25 MB138 MB
Age rating4+17+
DeveloperKyorinsha Co.,LtdThien Le

Customer experience

日医Lib

Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

ArcReader

All ratings47 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive94.1%
Neutral0.0%
Negative5.9%

In-app purchases

None

日医Lib

No in-app purchases

3 purchases

ArcReader

Subscriptions2
  • ArcReader VIP — Monthly$5.991 Month
  • ArcReader VIP — Annual$44.991 Year
One-time1
  • ArcReader VIP - Lifetime$79.99

Questions

Is 日医Lib free?
日医Lib is free to download, with no in-app purchases.
Is ArcReader free?
ArcReader is free to download, with in-app purchases available.
Do 日医Lib or ArcReader have ads?
ArcReader shows ads; 日医Lib does not.
Which is updated more often, 日医Lib or ArcReader?
日医Lib ships an update every 3 months, and ArcReader weekly. Most recently, 日医Lib was updated on October 6, 2026 and ArcReader on October 12, 2026.

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