Days 2.0 vs When2Do
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Days 2.0
This app offers a fresh perspective on your calendar by organizing events based on the number of days remaining until they occur. It seamlessly integrates with your existing calendars, preserving their names and colors, and allows for event creation directly within the application.
- Organize events by days remaining
- Integrates with existing calendars
- Preserves calendar names and colors
- Create new events within the app
- User-friendly interface
Read full descriptionHide full description
Your days are numbered – and that's a good thing! Days gives a new perspective to your calendars by grouping events by the number of days until they occur. Days uses the calendars you already have set up – all of the calendar names and colors are just as you have them now. Days even allows you to add new events to your calendars without leaving the app. Give it a try – it may just become your new go to calendar.
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.
- Automated activity scheduling
- Task duration and deadline input
- Work schedule and holiday consideration
- Task execution status tracking
- CSV data export
- GANTT style schedule view
Read full descriptionHide 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.
Screenshots
Verdict
The clearest difference is update cadence: When2Do at every 10 days against Days 2.0's every 25 months. When2Do also leads on iOS requirement (16.1 vs 18.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Days 2.0 against 5.0 for When2Do. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Days 2.0 ships an update every 25 months, When2Do every 10 days. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.
| Parameter | Days 2.0 | When2Do |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 25 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.6 | 16.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 12+ |
| Developer | Erik Eggleston | Danilo Bottini |
Customer experience
Days 2.0
When2Do
In-app purchases
Days 2.0
No in-app purchases
When2Do
No in-app purchases
