# When2Do vs Days Left

The clearest difference is update cadence: When2Do at every 10 days against Days Left's every 5 weeks. When2Do also leads on iOS requirement (16.1 vs 18.2). 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 When2Do against 5.0 for Days Left. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

When2Do ships an update every 10 days, Days Left every 5 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | When2Do | Days Left |
| --- | --- | --- |
| 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/days-left-countdown/id6741483165/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | **16.1** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Danilo Bottini](https://appshunter.io/developer/304768858) | [Angel Retureta Reyes](https://appshunter.io/developer/1791630609) |

## 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


### Days Left

[App page](https://appshunter.io/ios/app/days-left-countdown/id6741483165)

Easily track important life events, both past and future. This app offers a clean interface, custom reminders, and home screen widgets to keep you organized and motivated. Personalize your experience with multiple themes.

**Highlights:** Track days since past events, Countdown to future events, Customizable reminders, Home screen widgets, Multiple themes and styles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is When2Do free?

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

### Is Days Left free?

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

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

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

### Do When2Do or Days Left have ads?

Neither When2Do nor Days Left shows ads.

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

When2Do ships an update every 10 days, and Days Left every 5 weeks. Most recently, When2Do was updated on September 29, 2026 and Days Left on October 2, 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.*