Caleido (formerly Event Book) vs Penso Notes
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
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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!
Penso Notes
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Penso Notes: Write freely. Find easily. Never lose a brilliant idea again. Penso Notes transforms how you capture, organise, and rediscover your thoughts. Whether you're planning your day, tracking goals, or preserving memories, this powerful digital journal adapts to your life. Why Choose Penso Notes? - Bullet Journaling Perfected:Inspired by Ryder Carroll's proven Bullet Journal and Rapid Logging Methods, enhanced for the digital age. - Multimedia Memory Keeping:Add formatted text, photos, voice and camera recordings. - Multiple Journals, One App: Keep diaries for work, personal life, travel, or projects. - Find Anything Instantly: Search by text, tags, dates, or even bullets. Smart Organisation - Customisable bullets for quick scanning of tasks, notes, and events - Note Colours, tags and categories - Day dividers with mood and weather tracking - Priority highlighting and reactions - Calendar integration for events and reminders - Quick swipe gestures for migration and scheduling - Customisable themes and stickers Privacy You Can Trust Your thoughts are yours alone. Secure diary locking, private keys, and on-device storage mean your personal information stays personal. Perfect For: - Professionals managing projects and ideas - Creatives capturing inspiration - Anyone wanting better life organisation - Students organising research and deadlines - Bullet journal enthusiasts going digital Key Features: - Text, audio, photo, video, and file entries - Cross-journal search and tags - Customisable bullets and colour coding - Integrated Calendar and reminders - Multiple diary support - Mood and day dividers - Privacy controls - Beautiful themes and stickers From Scattered to Organised Stop losing important thoughts across sticky notes, random apps, and forgotten notebooks. Penso Notes creates one trusted space where every idea, plan, and memory has its place. Join thousands worldwide who trust Penso Notes to stay organised and keep ideas safe. Ready to Transform Your Thinking? Download Penso Notes today and experience the perfect blend of creative freedom and digital organisation. Penso Pro is an auto-renewing subscription (monthly or yearly). Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.penso-notes.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Caleido (formerly Event Book) at none against Penso Notes's 3. Caleido (formerly Event Book) also leads on iOS requirement (7.0 vs 17.0). Penso Notes's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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. Penso Notes sells 3 in-app purchases, starting at $3.99 per month. Caleido (formerly Event Book) asks for nothing beyond the download.
Caleido (formerly Event Book) ships an update every 2 months, Penso Notes every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Caleido (formerly Event Book) | Penso Notes |
|---|---|---|
| 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 | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 161 MB |
| Age rating | 17+ | 4+ |
| Developer | Abhinay Ashutosh | Suchitra Enterprise |
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)
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- 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
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- 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
Penso Notes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Caleido (formerly Event Book)
No in-app purchases
Penso Notes
- Penso Pro Monthly$3.991 Month
- Penso Pro Yearly$39.991 Year
- Penso Pro Extended$79.99
Questions
Is Caleido (formerly Event Book) free?
Is Penso Notes free?
Do Caleido (formerly Event Book) or Penso Notes have ads?
Which is updated more often, Caleido (formerly Event Book) or Penso Notes?
Other comparisons
