# When · Days That Matter vs Sparks

The clearest difference is in-app purchases: Sparks at none against When · Days That Matter's 1. When · Days That Matter's advantage is update cadence (every 3 weeks vs every 26 months). On price and iOS requirement there is nothing between them.

Both are free to download. When · Days That Matter sells 1 one-off in-app purchase. Sparks asks for nothing beyond the download.

When · Days That Matter ships an update every 3 weeks, Sparks every 26 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | When · Days That Matter | Sparks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 26 months |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [杰龙 刘](https://appshunter.io/developer/1481214183) | [建辉 贾](https://appshunter.io/developer/1725229477) |

## 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 |


### Sparks

[App page](https://appshunter.io/ios/app/sparks/id6475958954)

**In-app purchases:** none


## Frequently asked questions

### Is When · Days That Matter free?

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

### Is Sparks free?

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

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

When · Days That Matter ships an update every 3 weeks, and Sparks every 26 months. Most recently, When · Days That Matter was updated on October 24, 2026 and Sparks on October 25, 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.*