Zeitlog vs Calenduo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zeitlog
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Zeiterfassung: Mobil, stationär und für jede Plattform. Reporting, Kalender, Standorterfassung (GPS oder QR), Fehlzeiten und viele weitere Funktionen.
Calenduo
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Calenduo is your smart calendar for everyday life—whether you’re working alone or as part of a team. THREE VIEWS, ONE OVERVIEW Keep track of your appointments—in monthly, weekly, or daily view. Colors, week numbers, and multi-day events at a glance. SHARED CALENDARS Create calendars and invite family, friends, or coworkers. All changes are immediately visible to everyone. CREATE EVENTS WITH AI Describe your event in natural language—Calenduo creates it automatically. It doesn’t get any easier than that. SMART NOTIFICATIONS Push notifications remind you right on time. Every morning, you’ll receive a summary of all your events for the day. SHARE LOCATION & SOS Share your live location with calendar members. In an emergency, a single click sends your location as an SOS alert to everyone. RECURRING EVENTS Daily, weekly, monthly, or yearly—flexible recurrence rules. IMPORT CALENDARS Import Google or device calendars directly into Calenduo. SHARE EVENTS Export events as .ics files—compatible with all calendar apps. OFFLINE CAPABLE Works even without an internet connection. Data is automatically synced. COLOR-CODED CALENDARS Custom colors for maximum clarity. Calenduo—plan easily. Organize together. Translated with DeepL.com (free version)
Screenshots
Verdict
The clearest difference is update cadence: Calenduo at every 2 days against Zeitlog's every 4 weeks. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Zeitlog ships an update every 4 weeks, Calenduo every 2 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.
| Parameter | Zeitlog | Calenduo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | IMEOS | Sebastian Britz |
In-app purchases
Zeitlog
No in-app purchases
Calenduo
No in-app purchases









