One Calendar vs LogFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Calendar
Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.
- Integrates multiple calendar providers
- Easy-to-read overview
- Manage appointments and events
- View birthdays
- Cross-platform availability
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The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox.org, ownCloud and more. OneCalendar integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays. OneCalendar is available on all platforms.
LogFlow
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Track meaningful moments, memories and time together. Create journeys, add voice notes, photos and see how your time grows — all in one beautifully minimal app. LogFlow helps you capture life as it happens. Whether you’re tracking personal goals, a relationship, or shared experiences, every journey becomes a timeline of memories. What You Can Do • Create Solo or Duo journeys • Track time together in real time • Add voice notes to preserve special moments • Attach photos to your memories • View detailed journey summaries • See total days, voice memos and photos • Upgrade anytime for unlimited journeys Simple. Elegant. Meaningful. Start your first journey today.
Screenshots
Verdict
The clearest difference is update cadence: One Calendar at fortnightly against LogFlow's every 3 months. One Calendar also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases 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. One Calendar sells 1 one-off in-app purchase and LogFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
One Calendar ships an update fortnightly, LogFlow every 3 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.
| Parameter | One Calendar | LogFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21K ratings) — better | — |
| Positive reviews | 80.7% of reviews | — |
| Number of ratings | 21K — better | — |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 89 MB | 13 MB |
| Age rating | 12+ | 4+ |
| Developer | Code Spark | Kaan Eren Arslan |
Bugs and requests
One Calendar
Reported bugs
5 issues- Sync errors
- Unresponsive buttons
- Incorrect time zone display
- Duplicate events
- Inability to delete future occurrences of recurring events
Requested features
6 requests- Multiple reminders for events
- Ability to edit recurring events
- Option to change event calendar after creation
- Printing support
- More customization options
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- Widgets for better visibility
LogFlow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One Calendar
- OneCalendar premium$5.99
LogFlow
- LogFlow: Time Tracking Premium$2.99
Questions
Is One Calendar free?
Is LogFlow free?
Do One Calendar or LogFlow have ads?
Which is updated more often, One Calendar or LogFlow?
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