# PixelMemo vs KNOCKKNOCK / Retro Notes

The clearest difference is in-app purchases: PixelMemo at none against KNOCKKNOCK / Retro Notes's 1. KNOCKKNOCK / Retro Notes's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. KNOCKKNOCK / Retro Notes sells 1 one-off in-app purchase. PixelMemo asks for nothing beyond the download.

## The numbers

| Metric | PixelMemo | KNOCKKNOCK / Retro Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knockknock-retro-notes/id6754227270/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 6 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nante Studio](https://appshunter.io/developer/1700809099) | [Yaroslav Samoylov](https://appshunter.io/developer/683107070) |

## What reviewers say

### PixelMemo

[App page](https://appshunter.io/ios/app/pixelmemo/id6751750096)

**Features:** macOS Compatibility

**In-app purchases:** none


### KNOCKKNOCK / Retro Notes

[App page](https://appshunter.io/ios/app/knockknock-retro-notes/id6754227270)

This app offers a unique note-taking experience with a retro CRT monitor aesthetic. View two notes simultaneously and interact with a fun, animated fidget element on the side.

**Highlights:** Retro CRT monitor design, Dual note display, Interactive fidget element, Fun and engaging interface

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Notes | $8.99 | one-time |


## Frequently asked questions

### Is PixelMemo free?

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

### Is KNOCKKNOCK / Retro Notes free?

KNOCKKNOCK / Retro Notes is free to download, with in-app purchases available.

### Do PixelMemo or KNOCKKNOCK / Retro Notes have ads?

Neither PixelMemo nor KNOCKKNOCK / Retro Notes shows ads.

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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.*