Bookil vs Boomer Cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bookil
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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.
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.
- 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
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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
Verdict
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
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.
Bookil ships an update fortnightly, Boomer Cal every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | Bookil | Boomer Cal |
|---|---|---|
| Price | Free — better | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 18.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Labee LLC | Dear Friend Digital GmbH |
In-app purchases
Bookil
No in-app purchases
Boomer Cal
No in-app purchases









