One Calendar vs Eaglei HOS
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.
Eaglei HOS
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Compliant app to record driver duty status and meet the following regulations: -60h/7days or 70h/8days Rules -34 week restart with latest suspension of two periods 1-5am -11h daily -14h onduty (daily) -Sleeper Berth -Passenger Seat provision -Personal Conveyance -30 minutes break -Location recording for engine on and off, and every 60 minutes if moving -Mobile device permits duty status changes only when the vehicle is at rest -Warns driver,visually and/or audibly of any malfunction -When the truck is stationary for 5 minutes or more, it will default to on-duty not driving and the driver must enter the proper status -The device (ELD) performs self-test, as well as a self-test at any point upon request of an authorized safety assurance official. Allows for driver and carrier record edits as well as unauthenticated operation.
Screenshots
Verdict
The clearest difference is in-app purchases: Eaglei HOS at none against One Calendar's 1. Eaglei HOS also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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. One Calendar sells 1 one-off in-app purchase. Eaglei HOS asks for nothing beyond the download.
One Calendar ships an update fortnightly, Eaglei HOS monthly. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.
| Parameter | One Calendar | Eaglei HOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21K ratings) — better | — |
| Positive reviews | 80.7% of reviews | — |
| Number of ratings | 21K — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 89 MB | 51 MB |
| Age rating | 12+ | 4+ |
| Developer | Code Spark | EagleiGPS |
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
Eaglei HOS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One Calendar
- OneCalendar premium$5.99
Eaglei HOS
No in-app purchases
Questions
Is One Calendar free?
Is Eaglei HOS free?
Do One Calendar or Eaglei HOS have ads?
Which is updated more often, One Calendar or Eaglei HOS?
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