Zapp Calendar vs PlanDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zapp Calendar
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Type one sentence. Get one event. Zapp Calendar turns the way you talk into the way you plan. Tell it what's happening, tap save, done. HOW IT WORKS • Type the way you'd say it — "Dentist Friday 3pm at Dr. Smith." • Zapp recognizes the date, time, location, duration, and recurrence. • Tap to save directly into Apple Calendar. WHAT ZAPP UNDERSTANDS • Dates — "tomorrow", "next Friday", "march 12", "the 1st of every month" • Times — "3pm", "14:00", "half past ten", "from 2 to 4pm" • Locations — "at Mom's", "@office", "in Munich" • Durations — "for 2 hours", "30 minutes" • Reminders — "remind 30 min before" • Recurrence — "every Wednesday", "weekly", "monthly", "daily" BILINGUAL BY DESIGN Full German and English — including colloquialisms. "Jeden Mittwoch 18 Uhr Yoga" and "Every Wednesday 6pm yoga" both work. Zapp adapts to your device language. ZAPP PRO — €4.99 one-time, yours forever • Automatic calendar switching — say "Meeting Work 10am" and it lands in your Work calendar. • Pick any calendar per event. • Large home-screen widget. • Cross-calendar conflict detection — a heads-up before you double-book. PRIVACY-FIRST Zapp runs entirely on your iPhone. Your text never leaves the device. No servers, no accounts, no tracking. Your calendar stays yours. BUILT FOR iPHONE Home-screen widget for today's agenda. Share extension: send text from Mail, Safari, or Notes straight into Zapp. Direct EventKit integration with Apple Calendar — the calendar you already trust. ——— Terms of Use: https://zappcalendar.app/en/terms.html Privacy Policy: https://zappcalendar.app/en/privacy.html Support: hello@zappcalendar.app
PlanDay
A straightforward daily planner designed for focused task management. Easily organize your day, week, and month with intuitive swiping and task management. Enjoy a clean interface with customizable themes, all without ads or subscriptions.
- Day, week, and month views
- Add and check off tasks
- Drag and drop tasks to reschedule
- iCloud data syncing
- Four customizable themes
- Instant opening, no login
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PlanDay is a planner for your day, week, and month. Swipe between views to see what's ahead. Add tasks, check them off, move them to another day if plans change. No accounts. No syncing headaches. No overwhelming feature lists. Just a clean, focused space to plan your day, your week, and your month — all in one place. Swipe between Day, Week, and Month views to see your life at every level. Add tasks in seconds. Check them off as you go. Move them forward when plans change. FOUR HANDCRAFTED THEMES • Classic — Clean and minimal, like a fresh notebook • Journal — Warm leather and ruled paper, for the old soul • Trapper Keeper — Bold, loud, and unapologetically '90s • Nature — A calm sunset backdrop for a calmer mind WHAT MAKES IT DIFFERENT • Opens instantly — no loading, no login • Swipe between day, week, and month views • Drag tasks to tomorrow when life gets in the way • Your data stays on your device and syncs via iCloud • No ads. No subscriptions. No tricks. PlanDay was built for people who want to do more and manage less. If you've ever abandoned a productivity app because it felt like a second job, this one's for you.
Screenshots
Verdict
The clearest difference is in-app purchases: PlanDay at none against Zapp Calendar's 1. Zapp Calendar's advantage is update cadence (every 5 days vs every 2 months). On price, ads, 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
Both are free to download. Zapp Calendar sells 1 one-off in-app purchase. PlanDay asks for nothing beyond the download.
Zapp Calendar ships an update every 5 days, PlanDay every 2 months. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Zapp Calendar | PlanDay |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (26 ratings) — better |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | — | 26 — better |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.2 | 26.2 |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 9+ |
| Developer | Michael Becker | Sunset Labs, LLC |
In-app purchases
Zapp Calendar
- Zapp Pro$4.99
PlanDay
No in-app purchases









