# 极简纪念日 vs HiDays

The clearest difference is in-app purchases: 极简纪念日 at none against HiDays's 1. 极简纪念日 also leads on update cadence (every 3 days vs every 8 days) and iOS requirement (15 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HiDays sells 1 one-off in-app purchase. 极简纪念日 asks for nothing beyond the download.

极简纪念日 ships an update every 3 days, HiDays every 8 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 极简纪念日 | HiDays |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Size | 38 MB | 75 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Hangzhou Jianyun Technology Co., Ltd](https://appshunter.io/developer/1870566509) | [阳 张](https://appshunter.io/developer/1448121990) |

## What reviewers say

### 极简纪念日

[App page](https://appshunter.io/ios/app/id1616480996)

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

**In-app purchases:** none


### HiDays

[App page](https://appshunter.io/ios/app/hidays-countdown-tracker/id1664492584)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Time Pro Access | $2.99 | one-time |


## Frequently asked questions

### Is 极简纪念日 free?

极简纪念日 is free to download, with no in-app purchases.

### Is HiDays free?

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

### Do 极简纪念日 or HiDays have ads?

Neither 极简纪念日 nor HiDays shows ads.

### Which is updated more often, 极简纪念日 or HiDays?

极简纪念日 ships an update every 3 days, and HiDays every 8 days. Most recently, 极简纪念日 was updated on October 24, 2026 and HiDays on October 4, 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.*