Comparison

BiblioFuse Reader & Compress vs Caffeinated Calendar

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

Head to head
About

BiblioFuse Reader & Compress

Features
Read full description

Read your ebooks, comics and documents on iPhone and iPad. BiblioFuse brings your own books, cloud folders and library servers together, with annotations, Read Aloud and an Apple Watch companion. YOUR BOOKS, YOUR LIBRARY - Read EPUB, PDF, CBZ, CBR, RAR, ZIP and TXT, including comic EPUBs and vertical Japanese novels. - Organize books with folders, search, covers, ratings, tags, bookmarks and reading progress. - Import from Files, iCloud Drive, the document picker or local transfer. Browse local folders; iCloud folder browsing requires BiblioFuse Pro. - Browse and stream from BiblioFuse hosts on Mac, NAS or PC, and connect to OPDS, Kavita, Komga and Calibre catalogs. - Bring supported server Continue Reading lists together in Recent, with an All view, source selection and refresh. Available lists depend on the server. READ YOUR WAY - Choose paged or continuous reading, comic spreads and optional animated page curl. Set library grid columns for portrait and landscape, or let Automatic fit the screen. - Keep your book open and your place when rotating, resizing or folding a supported device. - Read TXT with multilingual chapter recognition and custom heading rules. Show or hide detected chapter rules for each book's contents list without changing its text. - Listen to EPUB and TXT with Read Aloud and a sleep timer. - Navigate books and your library with an optional Bluetooth game controller. HIGHLIGHTS, NOTES AND SYNC - Create highlights and notes in EPUB, TXT and selectable-text PDF, or page and region notes in comics and archives. Annotations are available free, with browsing, filters and export. - Sync supported reading positions, bookmarks and annotations through iCloud, BiblioFuse hosts and compatible server integrations. Capabilities vary by server and format. Books downloaded from Kavita, Komga, Calibre and BiblioFuse hosts for offline reading sync back to the server when it is available again. - BiblioFuse's Calibre Content Server integration is limited to EPUB, PDF, TXT, CBZ and CBR. Progress, bookmarks and text annotations sync only at supported, reliably matched locations. Image-page notes stay local; not every Calibre format or viewer function is supported. APPLE WATCH COMPANION - Browse local and iCloud books, BiblioFuse hosts and configured OPDS, Kavita, Komga and Calibre sources, with covers, folders and source filters in Recent. - Choose an EPUB or TXT book to start Read Aloud on the paired iPhone. Control pause, resume, stop and the sleep timer from your wrist. The iPhone handles book access, downloads and speech playback. - With a comic open on iPhone, turn pages and control auto-scroll from Apple Watch. Remote requests require an active connection to the paired iPhone. TRANSLATE AND MANAGE FILES - Translate supported comic pages on device and export a translated CBZ with BiblioFuse Pro. Availability depends on OS, device and language support. - Compress or merge supported book and image-document formats locally. Some cloud, remote-source and reader features require BiblioFuse Pro, including iCloud folder browsing, animated page curl and comic translation. Remote streaming requires a configured host; access over mobile data may require additional network setup. Books are supplied by you or your configured sources. Privacy Policy: https://mlt-solutions.github.io/app-legal-docs/bibliofuse/PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Caffeinated Calendar

Aggregate and manage all your calendars in one place with powerful filtering and task management. Customize your view to hide or dim events, connect multiple account types, and utilize quick add features. Includes widgets, recurrence options, and offline access.

Highlights
  • Aggregate multiple calendar accounts
  • Customizable event filtering
  • Integrated task management
  • Natural language quick add
  • Multiple calendar view options
  • Home screen widgets
  • Offline access
Features
Read full description

Caffeinated Calendar aggregates all your calendars in one place and lets you filter out the events you don't need to see. THE FILTER ENGINE Sharing a calendar with your spouse, team, or family? You don't need to see everything. Create filters to hide or dim events by title, description, location, time of day, or day of week. Hide your partner's medication reminders. Dim your coworker's focus blocks. Filter out all-day events from a noisy shared calendar. Your view, your rules. CONNECT ALL YOUR CALENDARS - Google Calendar — Sign in with Google, no passwords to manage - Microsoft Outlook / Office 365 — Full OAuth support - Apple iCloud — Connect with an app-specific password - Any CalDAV server — Nextcloud, Radicale, Baikal, Fastmail, Synology, Zoho, and more - Device calendars — Read from calendars already on your phone - Webcal subscriptions — Subscribe to public calendar feeds - Local calendars — Fully offline, no account needed SIX WAYS TO VIEW YOUR SCHEDULE Day, Week, Month, Year, Agenda, and List views. All support pull-to-refresh, smooth swipe navigation, and a Today button. Create custom calendar views to quickly switch between subsets like "Work Only" or "Personal." TASKS BUILT IN Full task management that syncs with your calendar accounts. Due dates, priorities, subtasks, categories, and progress tracking. Tasks appear alongside events in your Day and Agenda views and on home screen widgets. NATURAL LANGUAGE QUICK ADD Type "Lunch with Sarah tomorrow at noon at Café Roma" and the app parses it automatically. Access Quick Add from the app bar, a home screen widget, or an app icon shortcut. POWERFUL RECURRENCE Daily, weekly, monthly, yearly — with intervals, end dates, and complex patterns like "second Monday of every month." Edit or delete a single instance, all events, or this and future events. EVENT TEMPLATES Save frequently-used events as templates. Create new events with one tap, pre-filled with title, location, duration, reminders, and recurrence. ATTENDEES & RSVP See who's invited, their roles, and their responses. Accept, decline, or tentatively respond to invitations directly from the app. HOME SCREEN WIDGETS Agenda, Compact, and Month widgets that respect your filters. Tap an event to open it directly. A Quick Add widget for instant event creation. IMPORT & EXPORT Open .ics files from email or file managers. Subscribe to public calendar feeds. Share single events or batch export multiple events. HOLIDAY CALENDARS Built-in holiday calendars for 20+ countries across the Americas, Europe, Asia Pacific, and Middle East. Added as auto-syncing subscriptions. CONTACT BIRTHDAYS Automatically creates birthday events from your device contacts. WEATHER FORECAST 14-day forecast in Day and Week views. Free, no tracking. OFFLINE FIRST Create and edit events without an internet connection. Changes sync automatically when you're back online. PRIVACY FOCUSED No analytics. No telemetry. No ads. Your calendar data stays on your device and syncs only to your own calendar accounts. We never see your passwords — Google and Microsoft use secure sign-in, and other credentials are stored securely on your device. Available in English, German, Spanish, French, and Japanese. Terms of Use: https://caffeinatedsoftworks.com/terms/ Privacy Policy: https://caffeinatedsoftworks.com/privacy/

Screenshots

BiblioFuse Reader & Compress4 screens
Caffeinated Calendar4 screens

Verdict

The call

The clearest difference is update cadence: Caffeinated Calendar at every 5 days against BiblioFuse Reader & Compress's every 2 weeks. Caffeinated Calendar also leads on iOS requirement (13.0 vs 17.0). BiblioFuse Reader & Compress's advantage is device support (6 vs 3). On price, 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. BiblioFuse Reader & Compress sells 3 in-app purchases, starting at $0.99 per month and Caffeinated Calendar sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BiblioFuse Reader & Compress ships an update every 2 weeks, Caffeinated Calendar every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
BiblioFuse Reader & Compress versus Caffeinated Calendar: the parameters behind the verdict, then further details
ParameterBiblioFuse Reader & CompressCaffeinated Calendar
PriceFreeFree
Rating—4.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — betteriPhone, iPad, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size62 MB37 MB
Age rating4+4+
DeveloperKIEN WEI CHOOCaffeinated Softworks LLC

In-app purchases

3 purchases

BiblioFuse Reader & Compress

Subscriptions2
  • Monthly Premium7 Days trial$0.991 Month
  • Annual Premium7 Days trial$4.991 Year
One-time1
  • Lifetime Premium$14.99
8 purchases

Caffeinated Calendar

Subscriptions8
  • Individual Account (Monthly)$4.991 Month
  • Duo Account (Monthly)$7.991 Month
  • Family Account (Monthly)$14.991 Month
Show 5 more
  • Friends & Family Account (Monthly)$19.991 Month
  • Individual Account (Annual)$49.991 Year
  • Duo Account (Annual)$79.991 Year
  • Family Account (Annual)$149.991 Year
  • Friends & Family (Annual)$199.991 Year

Questions

Is BiblioFuse Reader & Compress free?
BiblioFuse Reader & Compress is free to download, with in-app purchases available.
Is Caffeinated Calendar free?
Caffeinated Calendar is free to download, with in-app purchases available.
Do BiblioFuse Reader & Compress or Caffeinated Calendar have ads?
Neither BiblioFuse Reader & Compress nor Caffeinated Calendar shows ads.
Which is updated more often, BiblioFuse Reader & Compress or Caffeinated Calendar?
BiblioFuse Reader & Compress ships an update every 2 weeks, and Caffeinated Calendar every 5 days. Most recently, BiblioFuse Reader & Compress was updated on November 5, 2026 and Caffeinated Calendar on October 31, 2026.

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