# 极简日期 vs Useday

The clearest difference is price: 极简日期 at Free against Useday's $0.99. Useday's advantage is iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

极简日期 is free to download; Useday costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

极简日期 ships an update weekly, Useday every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | 极简日期 | Useday |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/useday/id6785444400/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | **Free** | Paid |
| Size | 39 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [洋贝 赵](https://appshunter.io/developer/1878243877) | [华周 韦](https://appshunter.io/developer/6782736887) |

## What reviewers say

### 极简日期

[App page](https://appshunter.io/ios/app/id6784873402)

This app helps you track important past and future dates, like birthdays and anniversaries. It offers a clean, ad-free interface with lunar calendar support and customizable reminders. All data is stored locally for enhanced privacy.

**Highlights:** Track past and future dates, Calculate days until/since events, Lunar calendar support, Customizable reminders, Customizable background colors, Automatic dark mode, Offline functionality

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

**In-app purchases:** none


### Useday

[App page](https://appshunter.io/ios/app/useday/id6785444400)

Easily track the usage frequency of your everyday items without complex data entry. Simply tap items you've used today to monitor their activity and discover your most and least utilized possessions. Organize, archive, and sync your data seamlessly.

**Highlights:** Track daily item usage, View recent usage, Discover most used items, Identify unused items, Organize items by group, Sync data via iCloud

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

**In-app purchases:** none


## Frequently asked questions

### Is 极简日期 free?

极简日期 is free to download, with no in-app purchases.

### Is Useday free?

Useday costs $0.99, with no in-app purchases.

### Do 极简日期 or Useday have ads?

Neither 极简日期 nor Useday shows ads.

### Which is updated more often, 极简日期 or Useday?

极简日期 ships an update weekly, and Useday every 9 days. Most recently, 极简日期 was updated on November 5, 2026 and Useday 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.*