# KATSURAMUKI vs Prolog Retro Notes

The clearest difference is in-app purchases: KATSURAMUKI at none against Prolog Retro Notes's 1. KATSURAMUKI also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). Prolog Retro Notes's advantage is ratings volume (4 vs 1). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Prolog Retro Notes sells 1 in-app purchase, starting at $0.99 per month. KATSURAMUKI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KATSURAMUKI against 5.0 for Prolog Retro Notes. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

KATSURAMUKI ships an update every 6 months, Prolog Retro Notes every 9 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KATSURAMUKI | Prolog Retro Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/katsuramuki/id404736515/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/prolog-retro-notes-8-bit-memo/id6468677672/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 38 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SMILEAXE Co.,Ltd.](https://appshunter.io/developer/398957262) | [yasuhiro kojima](https://appshunter.io/developer/1244729145) |

## What reviewers say

### KATSURAMUKI

[App page](https://appshunter.io/ios/app/katsuramuki/id404736515)

Engage in a unique rotary cutting game where precise knife angles and screen flicks are key to success. Learn techniques, collect items, and strive to become the legendary "katsuramuki" king. Master the art of peeling to achieve the thinnest cuts.

**Highlights:** Rotary cutting gameplay, Knife angle control via tilting, Flick-to-peel mechanic, Item collection, Progressive difficulty, Learn katsuramuki techniques

**Features:** macOS Compatibility

**In-app purchases:** none


### Prolog Retro Notes

[App page](https://appshunter.io/ios/app/prolog-retro-notes-8-bit-memo/id6468677672)

This app offers a unique note-taking experience with a retro 8-bit aesthetic. It allows users to record memos, track editing time, and even attach photos, all within a nostalgic, game-like interface. Level up your notes and enjoy a blast from the past.

**Highlights:** Retro 8-bit graphics, Memo recording, Playtime tracking, Level-based text progress, Photo attachment, Passcode lock (premium)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan | $0.99 | per month |


## Frequently asked questions

### Is KATSURAMUKI free?

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

### Is Prolog Retro Notes free?

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

### Which has better reviews, KATSURAMUKI or Prolog Retro Notes?

KATSURAMUKI and Prolog Retro Notes are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do KATSURAMUKI or Prolog Retro Notes have ads?

Prolog Retro Notes shows ads; KATSURAMUKI does not.

### Which is updated more often, KATSURAMUKI or Prolog Retro Notes?

KATSURAMUKI ships an update every 6 months, and Prolog Retro Notes every 9 months. Most recently, KATSURAMUKI was updated on November 1, 2026 and Prolog Retro Notes on October 30, 2026.

---

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