# 记日子 vs HiDays

The clearest difference is in-app purchases: 记日子 at none against HiDays's 1. HiDays's advantage is ads (none vs shown) and update cadence (every 8 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HiDays sells 1 one-off in-app purchase. 记日子 asks for nothing beyond the download.

记日子 ships an update every 4 weeks, HiDays every 8 days. The most recent releases landed on September 23, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 记日子 | HiDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/id1447845919/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 75 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [周 徐](https://appshunter.io/developer/1106215429) | [阳 张](https://appshunter.io/developer/1448121990) |

## What reviewers say

### 记日子

[App page](https://appshunter.io/ios/app/id1447845919)

This app focuses on tracking significant dates and anniversaries. It helps users remember important life events like birthdays, anniversaries, and milestones. The redesigned interface prioritizes this core functionality for a streamlined experience.

**Highlights:** Track important dates, Anniversary reminders, Milestone tracking, Life event logging, Streamlined interface

**Features:** macOS Compatibility

**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 记日子 free?

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

### Is HiDays free?

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

### Do 记日子 or HiDays have ads?

记日子 shows ads; HiDays does not.

### Which is updated more often, 记日子 or HiDays?

记日子 ships an update every 4 weeks, and HiDays every 8 days. Most recently, 记日子 was updated on September 23, 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.*