# 专注一下 vs Annidiem

The clearest difference is in-app purchases: Annidiem at none against 专注一下's 3. Annidiem also leads on update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 专注一下 sells 3 in-app purchases, starting at $1.99 per month. Annidiem asks for nothing beyond the download.

专注一下 ships an update every 6 weeks, Annidiem every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 专注一下 | Annidiem |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 100 MB | 12 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [晓 杨](https://appshunter.io/developer/1787793900) | [Haiguang Yin](https://appshunter.io/developer/6811499783) |

## What reviewers say

### 专注一下

[App page](https://appshunter.io/ios/app/id6795566979)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | per month |
| 年度会员 | $9.99 | per year |
| 终生会员 | $29.99 | one-time |


### Annidiem

[App page](https://appshunter.io/ios/app/annidiem/id6811499781)

This app helps you track and remember important dates beyond standard calendars. It allows you to attach photos, voice memos, and thoughts to specific days, creating a personal diary for each event. You can archive past events while keeping their memories accessible.

**Highlights:** Personalized day records with media, Archiving of past events, Countdown timers for future dates, On-this-day historical recall, Dynamic Island and widget support, Apple Watch integration, Calendar import/export

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

**In-app purchases:** none


## Frequently asked questions

### Is 专注一下 free?

专注一下 is free to download, with in-app purchases available.

### Is Annidiem free?

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

### Do 专注一下 or Annidiem have ads?

Neither 专注一下 nor Annidiem shows ads.

### Which is updated more often, 专注一下 or Annidiem?

专注一下 ships an update every 6 weeks, and Annidiem every 9 days. Most recently, 专注一下 was updated on October 31, 2026 and Annidiem on October 31, 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.*