# Knacky vs Sitter Notes

The clearest difference is update cadence: Knacky at every 4 weeks against Sitter Notes's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Knacky sells 5 one-off in-app purchases and Sitter Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Knacky ships an update every 4 weeks, Sitter Notes every 2 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Knacky | Sitter Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Size | 73 MB | 5 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sadullah Turgut](https://appshunter.io/developer/1702344793) | [Andre de Groot](https://appshunter.io/developer/6791359863) |

## What reviewers say

### Knacky

[App page](https://appshunter.io/ios/app/knacky/id6461162181)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Knacky Coin | $1.99 | one-time |
| 3 Knacky Coins | $3.99 | one-time |
| 5 Knacky Coins | $6.99 | one-time |
| 10 Knacky Coins | $12.99 | one-time |
| 20 Knacky Coins | $22.99 | one-time |


### Sitter Notes

[App page](https://appshunter.io/ios/app/sitter-notes/id6792147312)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oudermodus ontgrendelen | $2.99 | one-time |


## Frequently asked questions

### Is Knacky free?

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

### Is Sitter Notes free?

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

### Do Knacky or Sitter Notes have ads?

Neither Knacky nor Sitter Notes shows ads.

### Which is updated more often, Knacky or Sitter Notes?

Knacky ships an update every 4 weeks, and Sitter Notes every 2 months. Most recently, Knacky was updated on October 9, 2026 and Sitter Notes on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*