Comparison

Bookil vs Boomer Cal

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

Head to head
About

Bookil

Features
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Open any PDF the way you'd read a book. Bookil is a PDF reader for iPhone and iPad built around comfortable reading. Import from Files, Safari, or any share sheet to get started. Reading Pages render cleanly in single or two-page spread. Sepia and night modes, plus contrast and film grain adjustments, let you dial in exactly how it looks. Choose from page curl, slide, crossfade, or continuous scroll for page turns. Flip your device and Bookil switches layouts automatically. Covers and chapter-end pages stay centered, just like a physical book. Zoom Double-tap to zoom in on the exact spot you tapped. Pinch to adjust from there. Double-tap again to reset. Library Group PDFs into named collections. Lock private ones with Face ID or Touch ID. Bookil tracks what you've read, what you haven't, and where you left off—per book. Search, sort, filter, or select multiple books for bulk actions. Reading direction Switch between left-bound and right-bound for manga, technical books, or anything else. Export Export your full library as JSON and import it on any device. Runs on iPhone and iPad.

About

Boomer Cal

This app offers a simplified, visual calendar experience, reminiscent of a wall calendar, for iPhone and iPad users. It provides an at-a-glance yearly overview and allows for quick filtering of events using customizable pins. Your data remains private and is never collected or tracked.

Highlights
  • Full year view (portrait/landscape)
  • Quick pins for calendar filtering
  • Smart pin suggestions
  • Integrates with Apple Calendars
  • 100% privacy, no ads or tracking
  • Dark mode support
Features
Read full description

Back then: Tear off. Hang up. Hope you remember. Today: Tilt iPhone. Done. Boomer approved. Boomer Cal brings back what often gets lost in modern calendar apps: a simple, calm overview of your entire year. Just like a good old wall calendar, but right on your iPhone and iPad. *EVERYTHING AT A GLANCE* Rotate your iPhone to landscape and your classic wall-calendar view appears—twelve months side by side. Big, calm, and wonderfully clear. Tap a day to see its events. No endless scrolling, no hidden submenus. Good UX without the homework. *PINS FOR QUICK ACCESS* Filter your view in seconds. Create pins for specific topics - like "Vacation", "Family", or "Work". Tap the emoji and instantly see exactly that calendar combination. Boomer Cal even suggests smart pins based on your events! *SECURE AND PRIVATE* Your events stay private. Boomer Cal loads your existing Apple Calendars directly on your device. No servers, no tracking, no ads. Your data goes nowhere. Everything stays on your iPhone. *DARK MODE (OBVIOUSLY)* Midnight, camping, just vibes—adapts automatically or on demand. *Features at a glance:* - Full year view (Portrait and Landscape modes) - Extra legroom on iPad - Quick pins for your favorite calendars and topics - Smart pin suggestions based on recurring themes - Integrates with all your Apple Calendars (iCloud, CalDAV, Exchange, Local) - Displays calendar weeks (CW) and holidays - 100% Privacy: No data collection, no tracking, no ads

Screenshots

Bookil4 screens
Boomer Cal4 screens

Verdict

The call

The clearest difference is price: Bookil at Free against Boomer Cal's $1.99. Boomer Cal's advantage is update cadence (every 3 days vs fortnightly). On ads, 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

Bookil is free to download; Boomer Cal costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bookil ships an update fortnightly, Boomer Cal every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 6 level
Bookil versus Boomer Cal: the parameters behind the verdict, then further details
ParameterBookilBoomer Cal
PriceFree — better$1.99
Positive reviews—100.0% of reviews
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.418.0 — better
Further details — not scored
Size2 MB6 MB
Age rating4+4+
DeveloperLabee LLCDear Friend Digital GmbH

In-app purchases

None

Bookil

No in-app purchases

None

Boomer Cal

No in-app purchases

Questions

Is Bookil free?
Bookil is free to download, with no in-app purchases.
Is Boomer Cal free?
Boomer Cal costs $1.99, with no in-app purchases.
Do Bookil or Boomer Cal have ads?
Neither Bookil nor Boomer Cal shows ads.
Which is updated more often, Bookil or Boomer Cal?
Bookil ships an update fortnightly, and Boomer Cal every 3 days. Most recently, Bookil was updated on October 25, 2026 and Boomer Cal on October 31, 2026.

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