Caleido (formerly Event Book) vs ListTaskTick
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caleido (formerly Event Book)
This app offers a streamlined approach to managing your schedule and to-dos. It features a customizable interface with integrated map and weather information for efficient planning. Syncs with existing calendars and provides multiple view options for events and tasks.
- Calendar and task management
- Customizable interface
- Map and weather integration
- Syncs with existing calendars
- Multiple view options (day, week, month, list, location, task)
- Event and task management
Read full descriptionHide full description
Featured by Apple, TechCrunch, and more! Caleido is a free, simple, and beautifully re-imagined calendar and task app. With usability and simplicity in mind, Caleido’s uniquely customizable interface along with map and weather integration helps you easily manage your life. With Caleido you can: ∙ Instantly sync with all your existing iOS calendars (iCloud, Gmail, Yahoo, Exchange, Hotmail, AOL, and more). ∙ Manage events, tasks, and frequent locations with day, timeline, week, month, list, location and task views. Full map, contact, location, and weather integration keep you one step ahead. ∙ Customize your experience with iPhone 7 (Silver, Space Gray, Gold), iPhone SE (Blue, Green, Red), and seasonal themes!
ListTaskTick
Read full descriptionHide full description
Create simple lists with the ability to create, edit, cross out, and delete list items.
Screenshots
Verdict
The clearest difference is update cadence: ListTaskTick at fortnightly against Caleido (formerly Event Book)'s every 2 months. Caleido (formerly Event Book)'s advantage is iOS requirement (7.0 vs 13.4). 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.
Caleido (formerly Event Book) ships an update every 2 months, ListTaskTick fortnightly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | Caleido (formerly Event Book) | ListTaskTick |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 73.5% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 13 MB | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | Abhinay Ashutosh | Matthew Foxwell |
Bugs and requests
Caleido (formerly Event Book)
Reported bugs
17 issues- App crashes when setting alarms or editing events
- Weather widget fails to load or display
- Location services cause repeated permission requests
- Month view displays events one day before actual date
- Week view shows incorrect day labels (Sunday appears twice)
Show 12 moreShow fewer
- Events disappear or get duplicated unexpectedly
- App crashes on iOS 7, 8, and newer versions
- Unable to add or import calendar events
- Map integration crashes app
- Reminder notifications not working
- Syncing issues with multiple calendars
- App becomes unresponsive when editing events
- Location request loops infinitely
- Events not syncing to other calendar apps
- App freezes when changing settings
- Weather temperature unit settings don't work
- Chinese character input not supported
Requested features
18 requests- Push notifications for events and reminders
- Color coding for different calendars
- Search functionality for events
- Facebook birthday integration
- Natural language event input
Show 13 moreShow fewer
- iPad version
- Dark mode/additional themes
- Ability to change week start day (Monday vs Sunday)
- Google Calendar sync
- Event invitation and RSVP functionality
- Drag and drop event management
- Badge notification with current date
- Celsius temperature option
- Desktop/Mac version
- Notes and image attachments for events
- Russian, German, Chinese language support
- Customizable default view on app launch
- Double-click day to open event list
ListTaskTick
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Caleido (formerly Event Book)
No in-app purchases
ListTaskTick
No in-app purchases
Questions
Is Caleido (formerly Event Book) free?
Is ListTaskTick free?
Do Caleido (formerly Event Book) or ListTaskTick have ads?
Which is updated more often, Caleido (formerly Event Book) or ListTaskTick?
Other comparisons
