Comparison

When2Do vs Calendar Notes Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

When2Do

This app helps you plan your activities by scheduling them based on duration, deadline, and your work schedule. It tracks task progress and can export data to CSV. View your overall schedule in a GANTT style.

Highlights
  • Automated activity scheduling
  • Task duration and deadline input
  • Work schedule and holiday consideration
  • Task execution status tracking
  • CSV data export
  • GANTT style schedule view
Features
Read full description

When2Do pianifica le vostre attività. When2Do plans your activities. Describe the activity by giving a name, duration, and deadline. When2Do will schedule it as soon as possible, taking into account other activities, daily work schedule, weekdays and holidays. When2Do will provide you with the scheduled date and time and indicate whether or not it meets the deadline. Whenever you start working on a task you can set the execution status and change it when you stop. Using this information, When2Do can produce a csv file for use in other applications. Tasks can be grouped into Objectives and the overall schedule can be seen in GANTT style.

About

Calendar Notes Pro

This app integrates your calendar and notes into a single, minimalist interface. View notes directly on your calendar and enjoy instant auto-save for a stress-free organization experience. It prioritizes privacy by storing all data locally on your device.

Highlights
  • Notes displayed on calendar
  • Instant auto-save
  • Minimalist design
  • Tap to write notes
  • Fully offline functionality
  • Local data storage
Features
Read full description

Tired of switching between your calendar and notes app? Calendar Notes Pro combines both into one beautifully simple experience. WHY CALENDAR NOTES PRO? - See Your Month at a Glance — Every note appears directly on your calendar. No more hunting through folders or scrolling through lists. - Instant Auto-Save — Start typing and your notes save automatically. No save buttons, no lost work, no stress. - Premium Minimalist Design — A clean, distraction-free interface in elegant black and white. No clutter, just clarity. - Tap Any Day to Write — Simply tap a date to add or edit a note. It's that easy. - Fully Offline — Your notes stay on your device. No account required, no internet needed. PERFECT FOR - Quick daily reminders - Planning your week ahead - Tracking habits and goals - Jotting down appointments - Keeping a simple daily journal PRIVACY FIRST Calendar Notes Pro stores everything locally on your device. We don't collect your data, track your habits, or require sign-ups. Your notes are yours alone. Download Calendar Notes Pro today and experience the simplest way to stay organized.

Screenshots

When2Do3 screens
Calendar Notes Pro3 screens

Verdict

The call

The clearest difference is ads: When2Do at none against Calendar Notes Pro's shown. When2Do also leads on monetization model (free vs ad-supported). Calendar Notes Pro's advantage is update cadence (daily vs every 10 days). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for When2Do against 5.0 for Calendar Notes Pro. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

When2Do ships an update every 10 days, Calendar Notes Pro daily. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
When2Do versus Calendar Notes Pro: the parameters behind the verdict, then further details
ParameterWhen2DoCalendar Notes Pro
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 10 daysDaily — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.1 — better
Further details — not scored
Size2 MB35 MB
Age rating12+4+
DeveloperDanilo BottiniAlok Haldiya

Customer experience

When2Do

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Calendar Notes Pro

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

When2Do

No in-app purchases

None

Calendar Notes Pro

No in-app purchases

Questions

Is When2Do free?
When2Do is free to download, with no in-app purchases.
Is Calendar Notes Pro free?
Calendar Notes Pro is free to download, with no in-app purchases.
Which has better reviews, When2Do or Calendar Notes Pro?
When2Do and Calendar Notes Pro are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do When2Do or Calendar Notes Pro have ads?
Calendar Notes Pro shows ads; When2Do does not.
Which is updated more often, When2Do or Calendar Notes Pro?
When2Do ships an update every 10 days, and Calendar Notes Pro daily. Most recently, When2Do was updated on October 24, 2026 and Calendar Notes Pro on October 24, 2026.

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