# Annual Memo vs 空调服

The clearest difference is in-app purchases: 空调服 at none against Annual Memo's 1. Annual Memo's advantage is update cadence (every 5 weeks vs every 26 months) and device support. On price and iOS requirement there is nothing between them.

Both are free to download. Annual Memo sells 1 one-off in-app purchase. 空调服 asks for nothing beyond the download.

Annual Memo ships an update every 5 weeks, 空调服 every 26 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Annual Memo | 空调服 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | **Every 5 weeks** | Every 26 months |
| Size | 9 MB | 19 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Shenzhen Geecare Smart Technology Co., Ltd.](https://appshunter.io/developer/972434536) |

## What reviewers say

### Annual Memo

[App page](https://appshunter.io/ios/app/annual-memo/id1612023919)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Feature | $1.99 | one-time |


### 空调服

[App page](https://appshunter.io/ios/app/id6479572985)

**In-app purchases:** none


## Frequently asked questions

### Is Annual Memo free?

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

### Is 空调服 free?

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

### Which is updated more often, Annual Memo or 空调服?

Annual Memo ships an update every 5 weeks, and 空调服 every 26 months. Most recently, Annual Memo was updated on October 19, 2026 and 空调服 on October 18, 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.*