# 花信 vs Catendar

The clearest difference is ads: 花信 at none against Catendar's shown. 花信 also leads on iOS requirement (15.2 vs 17.0). Catendar's advantage is update cadence (every 5 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

花信 ships an update every 2 weeks, Catendar every 5 days. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 花信 | Catendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 38 MB | 13 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Huameng Technology Co., Ltd.](https://appshunter.io/developer/1417711585) | [Bumjoon Lee](https://appshunter.io/developer/6801095554) |

## What reviewers say

### 花信

[App page](https://appshunter.io/ios/app/elvesay/id6446072304)

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

**In-app purchases:** none


### Catendar

[App page](https://appshunter.io/ios/app/catendar-shift-work-calendar/id6803623896)

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

**In-app purchases:** none


## Frequently asked questions

### Is 花信 free?

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

### Is Catendar free?

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

### Do 花信 or Catendar have ads?

Catendar shows ads; 花信 does not.

### Which is updated more often, 花信 or Catendar?

花信 ships an update every 2 weeks, and Catendar every 5 days. Most recently, 花信 was updated on October 17, 2026 and Catendar on October 24, 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.*