Comparison

Zeitlog vs Calenduo

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

Head to head
About

Zeitlog

Features
Read full description

Zeiterfassung: Mobil, stationär und für jede Plattform. Reporting, Kalender, Standorterfassung (GPS oder QR), Fehlzeiten und viele weitere Funktionen.

About

Calenduo

Features
Read full description

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

Zeitlog4 screens
Calenduo4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 5 level
Zeitlog versus Calenduo: the parameters behind the verdict, then further details
ParameterZeitlogCalenduo
PriceFreeFree
Update frequencyEvery 4 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size71 MB36 MB
Age rating4+12+
DeveloperIMEOSSebastian Britz

In-app purchases

None

Zeitlog

No in-app purchases

None

Calenduo

No in-app purchases

Questions

Is Zeitlog free?
Zeitlog is free to download, with no in-app purchases.
Is Calenduo free?
Calenduo is free to download, with no in-app purchases.
Do Zeitlog or Calenduo have ads?
Neither Zeitlog nor Calenduo shows ads.
Which is updated more often, Zeitlog or Calenduo?
Zeitlog ships an update every 4 weeks, and Calenduo every 2 days. Most recently, Zeitlog was updated on October 6, 2026 and Calenduo on October 8, 2026.

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