# Days vs Whensday

The clearest difference is ads: Days at none against Whensday's shown. Whensday's advantage is update cadence (every 3 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Days sells 3 in-app purchases, starting at $0.99 per 7 days and Whensday sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Days ships an update every 3 months, Whensday every 3 days. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Days | Whensday |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 15 MB | 6 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [浩东 邱](https://appshunter.io/developer/1493267968) | [Richard Wallace](https://appshunter.io/developer/1894718968) |

## What reviewers say

### Days

[App page](https://appshunter.io/ios/app/days-important-dates/id6748931827)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |


### Whensday

[App page](https://appshunter.io/ios/app/whensday/id6762572389)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Days free?

Days is free to download, with in-app purchases available.

### Is Whensday free?

Whensday is free to download, with in-app purchases available.

### Do Days or Whensday have ads?

Whensday shows ads; Days does not.

### Which is updated more often, Days or Whensday?

Days ships an update every 3 months, and Whensday every 3 days. Most recently, Days was updated on September 29, 2026 and Whensday on October 15, 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.*