# Days 2.0 vs When2Do

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.

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.

## The numbers

| Metric | Days 2.0 | When2Do |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/days-20/id1610539863/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/when2do/id1672746901/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | 18.6 | **16.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Erik Eggleston](https://appshunter.io/developer/327049000) | [Danilo Bottini](https://appshunter.io/developer/304768858) |

## What reviewers say

### Days 2.0

[App page](https://appshunter.io/ios/app/days-20/id1610539863)

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.

**Highlights:** Organize events by days remaining, Integrates with existing calendars, Preserves calendar names and colors, Create new events within the app, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### When2Do

[App page](https://appshunter.io/ios/app/when2do/id1672746901)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Days 2.0 free?

Days 2.0 is free to download, with no in-app purchases.

### Is When2Do free?

When2Do is free to download, with no in-app purchases.

### Which has better reviews, Days 2.0 or When2Do?

Days 2.0 and When2Do are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Days 2.0 or When2Do have ads?

Neither Days 2.0 nor When2Do shows ads.

### Which is updated more often, Days 2.0 or When2Do?

Days 2.0 ships an update every 25 months, and When2Do every 10 days. Most recently, Days 2.0 was updated on October 6, 2026 and When2Do on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*