# TaskSync vs KnowTree

The clearest difference is ads: TaskSync at none against KnowTree's shown. TaskSync also leads on update cadence (daily vs every 9 days). KnowTree's advantage is iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TaskSync sells 1 one-off in-app purchase and KnowTree sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TaskSync ships an update daily, KnowTree every 9 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TaskSync | KnowTree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 9 days |
| Size | 6 MB | 51 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) | [Ukon Ryohei](https://appshunter.io/developer/1834526187) |

## What reviewers say

### TaskSync

[App page](https://appshunter.io/ios/app/tasksync-custom-memo-app/id6741540253)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プロ版機能 | $5.99 | one-time |


### KnowTree

[App page](https://appshunter.io/ios/app/knowtree/id6757321205)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnowTree Premium | $4.99 | one-time |


## Frequently asked questions

### Is TaskSync free?

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

### Is KnowTree free?

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

### Do TaskSync or KnowTree have ads?

KnowTree shows ads; TaskSync does not.

### Which is updated more often, TaskSync or KnowTree?

TaskSync ships an update daily, and KnowTree every 9 days. Most recently, TaskSync was updated on October 5, 2026 and KnowTree on October 10, 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.*