# When2Do vs Calendars

The clearest difference is update cadence: Calendars at every 4 days against When2Do's every 10 days. On price, rating, ratings volume and ads 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 When2Do against 5.0 for Calendars. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

When2Do ships an update every 10 days, Calendars every 4 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | When2Do | Calendars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/when2do/id1672746901/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calendars-timedo/id6566174278/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 2 MB | 4 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Danilo Bottini](https://appshunter.io/developer/304768858) | [jietao wu](https://appshunter.io/developer/1490055419) |

## What reviewers say

### 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


### Calendars

[App page](https://appshunter.io/ios/app/calendars-timedo/id6566174278)

This app offers a streamlined approach to managing your schedule with a clean interface. Easily add events, view your daily agenda, and organize tasks with customizable calendar views. Advanced features include recurring events, task management, and goal setting to enhance productivity.

**Highlights:** Clean and user-friendly design, Daily agenda view, Weekly and monthly calendar views, Recurring events, Task management, Goal setting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is When2Do free?

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

### Is Calendars free?

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

### Which has better reviews, When2Do or Calendars?

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

### Do When2Do or Calendars have ads?

Neither When2Do nor Calendars shows ads.

### Which is updated more often, When2Do or Calendars?

When2Do ships an update every 10 days, and Calendars every 4 days. Most recently, When2Do was updated on October 15, 2026 and Calendars on October 16, 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.*