Write a letter vs Boomer Cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Write a letter
Create professional letters quickly and easily. Save them as PDFs for emailing, printing, or sharing. Customize your letters with formatting, templates, and fonts to match your style.
- Professional letter creation
- PDF export
- Email, print, and share options
- Customizable templates
- Text formatting
- Signature integration
- Sender address management
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With this app you can write professional letters in just a few minutes. Your letter is saved as a PDF and can be sent by email, printed, or shared via AirDrop at any time. With your signature if you wish. It's that simple: create a sender, enter the recipient, write the letter, done. Design your letters entirely to your own style. The editor supports text formatting such as Bold, Underline and more, so you can highlight important content precisely. Choose between a classic and modern template or create your own letter template with the template generator. Three built-in fonts as well as all fonts installed on your device are available for display. A4 and US Letter are supported. You can save any number of sender addresses, for example private and business, and simply select the right one when writing. Feedback and suggestions for improvement are always welcome. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 review sentiment: Boomer Cal at 100% against Write a letter's 27%. Boomer Cal also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 3 months). Write a letter's advantage is price (Free vs $1.99). On ads 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
Write a letter is free to download; Boomer Cal costs $1.99 up front. Write a letter sells 3 in-app purchases, starting at $2.99 per month. Boomer Cal asks for nothing beyond the download.
Write a letter ships an update every 3 months, Boomer Cal every 3 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | Write a letter | Boomer Cal |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.9 (28 ratings) — better | — |
| Positive reviews | 27.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 28 — better | — |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan-Hendrik Damerau | Dear Friend Digital GmbH |
Customer experience
Write a letter
Boomer Cal
In-app purchases
Write a letter
- Monthly Premium$2.991 Month
- Annual Premium$22.991 Year
- Lifetime Premium$39.99
Boomer Cal
No in-app purchases
