# Deadliner待办日历 vs 知数记账

The clearest difference is in-app purchases: 知数记账 at none against Deadliner待办日历's 1. 知数记账 also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deadliner待办日历 sells 1 one-off in-app purchase. 知数记账 asks for nothing beyond the download.

Deadliner待办日历 ships an update every 3 weeks, 知数记账 every 2 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Deadliner待办日历 | 知数记账 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 57 MB | 9 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [容皓 崔](https://appshunter.io/developer/1511704086) | [茂驰 申](https://appshunter.io/developer/6803937511) |

## What reviewers say

### Deadliner待办日历

[App page](https://appshunter.io/ios/app/deadliner/id6760482719)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deadliner Geek 终身会员 | $2.99 | one-time |


### 知数记账

[App page](https://appshunter.io/ios/app/id6804338356)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deadliner待办日历 free?

Deadliner待办日历 is free to download, with in-app purchases available.

### Is 知数记账 free?

知数记账 is free to download, with no in-app purchases.

### Do Deadliner待办日历 or 知数记账 have ads?

Neither Deadliner待办日历 nor 知数记账 shows ads.

### Which is updated more often, Deadliner待办日历 or 知数记账?

Deadliner待办日历 ships an update every 3 weeks, and 知数记账 every 2 weeks. Most recently, Deadliner待办日历 was updated on October 25, 2026 and 知数记账 on October 14, 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.*