# When · Days That Matter vs Anniversary

When · Days That Matter and Anniversary are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. When · Days That Matter sells 1 one-off in-app purchase and Anniversary sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | When · Days That Matter | Anniversary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [杰龙 刘](https://appshunter.io/developer/1481214183) | [颖 杨](https://appshunter.io/developer/1872549512) |

## 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 |


### Anniversary

[App page](https://appshunter.io/ios/app/anniversary-countdown/id6760209832)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro (Best Value) | $3.99 | per year |
| Lifetime Pro | $6.99 | 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 Anniversary free?

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

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

Neither When · Days That Matter nor Anniversary shows ads.

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

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