Time Tracker for Open Project vs Nextcloud Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Tracker for Open Project
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The Time Tracker app is a useful tool for tracking your time spent on tasks managed by Open Project instance. With this app, you can select a task, start the timer, and record your time once you have completed the task. This feature makes it easy to monitor how much time you spend on each activity and helps you manage your time more effectively. Whether you're a student, professional, or just looking to improve your productivity, the Timer app is a valuable tool for anyone seeking to manage their time efficiently. Please note that the Time Tracker app uses an Open Project instance, which is not provided by the app. You will need to have your own Open Project instance or access to an existing one in order to use the app's task selection feature.
Nextcloud Calendar
Manage your Nextcloud calendars with a simple mobile app. View, create, and organize events with real-time synchronization across multiple instances. Supports creating meetings with video conference links.
- Automatic calendar detection
- View, create, and manage events
- Real-time synchronization
- Multi-account support
- Create meetings with video conference links
- Switch between multiple Nextcloud instances
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Manage your Nextcloud calendars from a mobile app designed to keep things simple. Nextcloud Calendar automatically detects the calendars available on your instance and lets you easily view, create, and organize your events. Changes are synced in real time to keep your schedule up to date, whether you use one or multiple Nextcloud instances. Key features: • Automatic calendar detection • View, create, and manage events • Real-time synchronization • Multi-account support • Create meetings with video conference links via Nextcloud Talk Using multiple Nextcloud servers? Add your accounts and easily switch between instances. If Nextcloud Talk is enabled on your instance, you can generate a video conference link directly from the app and attach it to your event. Nextcloud Calendar is designed for users, teams, and organizations that want mobile access to their Nextcloud calendars through a clear, modern experience built for everyday use. A compatible Nextcloud instance is required. Some features may depend on your server configuration and the apps enabled by your administrator.
Screenshots
Verdict
The clearest difference is update cadence: Nextcloud Calendar at every 2 weeks against Time Tracker for Open Project's every 2 months. Time Tracker for Open Project's advantage is iOS requirement (13.0 vs 16.4). 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.
Time Tracker for Open Project ships an update every 2 months, Nextcloud Calendar every 2 weeks. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.
| Parameter | Time Tracker for Open Project | Nextcloud Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 26 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Von Rehberg Consulting GmbH | Soluce Technologies |
In-app purchases
Time Tracker for Open Project
No in-app purchases
Nextcloud Calendar
No in-app purchases
Questions
Is Time Tracker for Open Project free?
Is Nextcloud Calendar free?
Do Time Tracker for Open Project or Nextcloud Calendar have ads?
Which is updated more often, Time Tracker for Open Project or Nextcloud Calendar?
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