aCalendar vs Business Calendar 2
We give aCalendar a 3.2 GPA and Business Calendar 2 a 3.0, out of 4.0. aCalendar grades higher on value for money. They get the same grade on the free plan, features, ease of use and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
aCalendar
Android calendar with widgets, tasks and one-time upgrades
Business Calendar 2
Android calendar and task app with widgets and a Pro upgrade
How we grade them
| 3.2GPAaCalendarVery good | 3.0GPABusiness Calendar 2Very good | |
|---|---|---|
| Value for money | AUpgrades are one-time payments from $2.49 to $11.99, and aCalendar+ bundles every one of them with no ads for $11.99 once. That's about two months of a typical calendar subscription, paid a single time. | BWe can't tell you what Pro costs, because Appgenix's site doesn't say. Google Play shows in-app purchases from $1.49 to $8.99 per item with no billing period. Cheap at either end, but unclear, so it gets a B and not an A. |
| Free plan and trial | AFree gets day, week, month, agenda and year views, 8 widgets, printing and ICS or CSV export. It shows ads, at most one a day according to the maker. Tasks, public holidays and extra colours cost extra, but the calendar itself is all there. | AFree gets month, week, day, agenda, year and task views, the widgets, up to 5 reminders per event, voice input and Google Tasks sync. It has ads. Most people could stay here and never feel short. |
| Features | AFive views, eight widgets, multi-select, and printing to PDF or PNG. Upgrades add tasks with subtasks from Google Tasks or Microsoft To Do, plus attendees, free or busy status and separate work and personal profiles. | AA week view that stretches from 1 to 14 days, a year view with a heat map of busy days, seven widgets with over 50 options, and tasks beside events. Pro adds templates, drag and drop, multi-selection, weather and print to PDF. |
| Ease of use | BThere's no App Store rating to go on, since it isn't on iPhone. It picks up the calendars Android already syncs, so there's no new account to make. Swipe up and down through time, sideways to switch views. | BThere's no App Store rating to go on, as it isn't on iPhone. It uses the calendars Android already syncs, so there's no new account to set up, and you can speak events in English, German, French or Japanese. |
| Platforms and integrations | DAndroid only. The maker states there's no iOS, web or PC version and that none is planned. It does read Google Calendar, Exchange and CalDAV accounts through Android's own sync. | DAndroid only, which does include Chromebooks and Wear OS watches. No iOS, desktop or web app is listed. It reads Google, Outlook, Exchange and CalDAV calendars through the device. |
| Best for | a full Android calendar with no subscription | Android users who want more views and widgets |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: aCalendar and Business Calendar 2. How we grade
Where they differ
- aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99. Business Calendar 2 starts at $1.49 to $8.99 per in-app purchase on Google Play; billing basis not shown.
- aCalendar can be bought with a one-time purchase.
- Business Calendar 2 also covers templates.
At a glance
| aCalendar | Business Calendar 2 | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Starts at | $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99 | $1.49 to $8.99 per in-app purchase on Google Play; billing basis not shown |
| Free plan | Free version with ads: day, week, month, agenda and year views, 8 widgets, multi-select, printing and ICS or CSV export. Tasks, business features, public holidays and extra colors are paid upgrades. | Free version with ads: all six main views, widgets, reminders, birthdays and holidays, voice input and Google Tasks sync. Pro features stay locked. |
| Free trial | None listed | None listed |
| Android | ||
| Made by | Tapir Apps GmbH | Appgenix Software UG |
| Price read from | play.google.com | play.google.com |
| Checked | Oct 9, 2026 | Oct 6, 2026 |
Who each one suits
aCalendar
- Android users who want a full calendar without a subscription
- People who want Google Tasks or Microsoft To Do lists inside their calendar
- Anyone who prefers to buy only the upgrades they need
Business Calendar 2
- Android users who want more views and widgets than a stock calendar app
- Keeping events and Google Tasks or Microsoft To Do lists in one app
- People who enter the same kinds of events often and want templates
Worth knowing
aCalendar
- Android only. The vendor states there is no iOS, web or PC version and that none is planned.
- The free version shows ads, and tasks, attendees, profiles, public holidays and the wider color choices all need a paid upgrade.
- In-app upgrades cannot be shared through Google Play Family Library; only the separate aCalendar+ app can.
- Licenses are tied to the store account and cannot be moved between Google Play and Huawei AppGallery.
Business Calendar 2
- Android only, including Chromebooks and Wear OS watches; no iOS, desktop or web app is listed.
- Templates, drag and drop, multi-selection, weather, attachments, print to PDF and the 22 app themes need the Pro upgrade.
- Appgenix's site gives no Pro price; Google Play shows in-app purchases of $1.49 to $8.99 per item with no billing period.
- The free version contains ads, according to its Google Play listing.
Key features
aCalendar
- Day, week, month, agenda and year views
- Swipe vertically to move through time and horizontally to switch views. Day and week views can show a mini month or a graphical week overview alongside.
- Eight home screen widgets
- Widgets include agenda, date, day and week layouts and a birthday widget added in version 2.9. Accent colors can be set per widget with the Colors upgrade.
- Tasks next to events
- The Tasks upgrade shows to-dos on their due dates in day, week and month views, with subtasks and a tasks widget. It works with Google Tasks, Microsoft To Do, CalDAV through Tasks.org, and local lists.
- Business features
- An upgrade adds attendee management, linking contacts to events, free or busy status, private events, and profiles that separate work and personal calendars.
- Print and export
- Calendar views can be printed or exported as PDF or PNG, and events exported as ICS or CSV files. Multi-select applies an action to several events at once.
- Uses Android's calendar sync
- The app runs no servers of its own. It reads and writes the calendars Android syncs, including Google Calendar, Microsoft Exchange accounts and CalDAV servers, plus local calendars.
Business Calendar 2
- Six main views
- Month, week, day, agenda, year and tasks views. The week view stretches from 1 to 14 days with a swipe, and the year view marks busy days with a heat map.
- Seven home screen widgets
- Month, week, day, agenda, tasks, icon and Day Pro widgets, with 14 widget themes and more than 50 customization options.
- Tasks next to events
- A dedicated tasks view keeps lists locally or syncs them with Google Tasks. Pro adds priorities, subtasks, repeating tasks and Microsoft To Do sync.
- Calendar sync
- Uses Android's built-in calendar sync for Google and Exchange, and recent versions add Microsoft and CalDAV accounts. Advanced Outlook sync with categories is Pro.
- Templates and voice input
- Events and tasks can be spoken in English, German, French or Japanese. Pro users can save templates that include reminders, repetition rules and attendees.
- Drag and drop and multi-selection
- With Pro, events are moved, copied or deleted by drag and drop, and one action such as move, copy or recolor can be applied to several events at once.
Plans
aCalendar
aCalendar$0
All calendar views, 8 widgets, flexible recurrences, birthdays, moon phases, printing and export. Shows ads, at most one a day according to the vendor.
In-app upgrades$2.49 - $11.99
one-time payment per item on Google Play
Ad-free, Tasks, Business Features, Colors and Holidays bought individually inside the free app. Not shareable through Family Library.
aCalendar+$11.99
one-time purchase on Google Play
A separate paid app with every upgrade included and no ads. It can be shared through Google Play Family Library.
Business Calendar 2
Free$0
Month, week, day, agenda, year and task views, widgets, up to 5 reminders per event, voice input and Google Tasks sync, with ads.
Pro$1.49 - $8.99
per in-app item on Google Play; billing basis not shown
Adds templates, drag and drop, multi-selection, weather, attachments, print to PDF, 22 themes, and subtasks and repeating tasks.
Ways to pay less
aCalendar
- Other savings
Family Library sharing for aCalendar+
Bought as a paid app after July 2, 2016, aCalendar+ can be shared with up to 5 family members through Google Play Family Library. In-app upgrades are not eligible.
Business Calendar 2
- Other savings
Included with Google Play Pass
The Google Play listing says Play Pass subscribers get the app free of ads and in-app purchases as part of that subscription.
