# 待办鸭 vs SayCal

The clearest difference is in-app purchases: 待办鸭 at none against SayCal's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SayCal sells 4 one-off in-app purchases. 待办鸭 asks for nothing beyond the download.

待办鸭 ships an update fortnightly, SayCal every 2 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 待办鸭 | SayCal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.6 | **16.5** |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [朝峰 陈](https://appshunter.io/developer/1868597907) | [月 韩](https://appshunter.io/developer/1889796742) |

## What reviewers say

### 待办鸭

[App page](https://appshunter.io/ios/app/and/id6757746591)

**Features:** Vision Pro support

**In-app purchases:** none


### SayCal

[App page](https://appshunter.io/ios/app/saycal/id6766538400)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 | $0.99 | one-time |
| 100 | $3.99 | one-time |
| 300 | $9.99 | one-time |
| 1,000 | $19.99 | one-time |


## Frequently asked questions

### Is 待办鸭 free?

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

### Is SayCal free?

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

### Do 待办鸭 or SayCal have ads?

Neither 待办鸭 nor SayCal shows ads.

### Which is updated more often, 待办鸭 or SayCal?

待办鸭 ships an update fortnightly, and SayCal every 2 weeks. Most recently, 待办鸭 was updated on October 8, 2026 and SayCal 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.*