# When · Days That Matter vs UniqDay · 计时 纪念 每一天

The clearest difference is in-app purchases: UniqDay · 计时 纪念 每一天 at none against When · Days That Matter's 1. UniqDay · 计时 纪念 每一天 also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. When · Days That Matter sells 1 one-off in-app purchase. UniqDay · 计时 纪念 每一天 asks for nothing beyond the download.

When · Days That Matter ships an update every 2 weeks, UniqDay · 计时 纪念 每一天 every 6 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | When · Days That Matter | UniqDay · 计时 纪念 每一天 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uniqday/id6760256248/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 11 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [杰龙 刘](https://appshunter.io/developer/1481214183) | [Chunyu Xu](https://appshunter.io/developer/1297827382) |

## 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 |


### UniqDay · 计时 纪念 每一天

[App page](https://appshunter.io/ios/app/uniqday/id6760256248)

This app helps you track and commemorate important life events, from birthdays and anniversaries to travel and exams. It offers customizable themes, dual calendar support, smart reminders, and seamless syncing across devices. Share your countdowns and memories with beautifully designed cards.

**Highlights:** Event tracking for birthdays, anniversaries, travel, exams, Customizable themes and color options, Lunar and Gregorian calendar support, Smart push notifications for upcoming events, iCloud synchronization across iPhone, iPad, and Apple Watch, Live Activities and Dynamic Island integration, Desktop widgets for quick access, High-quality shareable event cards

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**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 UniqDay · 计时 纪念 每一天 free?

UniqDay · 计时 纪念 每一天 is free to download, with no in-app purchases.

### Do When · Days That Matter or UniqDay · 计时 纪念 每一天 have ads?

Neither When · Days That Matter nor UniqDay · 计时 纪念 每一天 shows ads.

### Which is updated more often, When · Days That Matter or UniqDay · 计时 纪念 每一天?

When · Days That Matter ships an update every 2 weeks, and UniqDay · 计时 纪念 每一天 every 6 days. Most recently, When · Days That Matter was updated on November 3, 2026 and UniqDay · 计时 纪念 每一天 on November 5, 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.*