# When · Days That Matter vs Days Until

The clearest difference is update cadence: Days Until at every 5 days against When · Days That Matter's every 3 weeks. When · Days That Matter's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. When · Days That Matter sells 1 one-off in-app purchase and Days Until sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

When · Days That Matter ships an update every 3 weeks, Days Until every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | When · Days That Matter | Days Until |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/days-until-countdown-widget/id6812444042/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 6 MB | 13 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [杰龙 刘](https://appshunter.io/developer/1481214183) | [Boring Apps](https://appshunter.io/developer/6812444044) |

## What reviewers say

### When · Days That Matter

[App page](https://appshunter.io/ios/app/when-days-that-matter/id1616365331)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| When Premium · Lifetime Access | $0.99 | one-time |


### Days Until

[App page](https://appshunter.io/ios/app/days-until-countdown-widget/id6812444042)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is When · Days That Matter free?

When · Days That Matter is free to download, with in-app purchases available.

### Is Days Until free?

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

### Do When · Days That Matter or Days Until have ads?

Neither When · Days That Matter nor Days Until shows ads.

### Which is updated more often, When · Days That Matter or Days Until?

When · Days That Matter ships an update every 3 weeks, and Days Until every 5 days. Most recently, When · Days That Matter was updated on October 24, 2026 and Days Until on October 24, 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.*