# 板栗看板 vs 3DaysDo

The clearest difference is update cadence: 3DaysDo at every 11 days against 板栗看板's every 6 weeks. 板栗看板's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 板栗看板 sells 3 in-app purchases, starting at $1.49 per month and 3DaysDo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

板栗看板 ships an update every 6 weeks, 3DaysDo every 11 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 板栗看板 | 3DaysDo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Freemium | — |
| Size | 80 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CISDI Information Technology (Chongqing) Co., Ltd.](https://appshunter.io/developer/868045037) | [洪英 裴](https://appshunter.io/developer/1896144445) |

## What reviewers say

### 板栗看板

[App page](https://appshunter.io/ios/app/to-do-list/id1484045382)

This app helps you organize tasks, manage team projects, and store knowledge. It offers features like to-do lists, GTD time management, and collaborative boards. It also functions as a cloud drive for documents and notes, accessible across multiple devices.

**Highlights:** Task to-do lists, GTD time management, Team collaboration boards, Knowledge organization, Cloud storage for files, Multi-device synchronization

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 板栗看板 连续包月高级版会员 | $1.49 | per month |
| 板栗看板 连续包季高级版会员 | $3.49 | per 3 months |
| 板栗看板 连续包年高级版会员 | $13.49 | per year |


### 3DaysDo

[App page](https://appshunter.io/ios/app/3daysdo/id6773829061)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3Days Pro | $1.99 | one-time |


## Frequently asked questions

### Is 板栗看板 free?

板栗看板 is free to download, with in-app purchases available.

### Is 3DaysDo free?

3DaysDo is free to download, with in-app purchases available.

### Do 板栗看板 or 3DaysDo have ads?

Neither 板栗看板 nor 3DaysDo shows ads.

### Which is updated more often, 板栗看板 or 3DaysDo?

板栗看板 ships an update every 6 weeks, and 3DaysDo every 11 days. Most recently, 板栗看板 was updated on September 16, 2026 and 3DaysDo on September 9, 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.*