# 캐츠비(Katsby) vs Salayze

The clearest difference is in-app purchases: Salayze at none against 캐츠비(Katsby)'s 6. Salayze also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 캐츠비(Katsby) sells 6 one-off in-app purchases. Salayze asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 캐츠비(Katsby) | Salayze |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/katsby/id6740863943/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KIRA & Company Inc.](https://appshunter.io/developer/1789524995) | [Juno Choi](https://appshunter.io/developer/1896290618) |

## What reviewers say

### 캐츠비(Katsby)

[App page](https://appshunter.io/ios/app/katsby/id6740863943)

Learn financial and investment knowledge through fun quizzes and expert-designed content. Earn redeemable gems for completing lessons and engaging with economic news. Start your journey to becoming a smart investor.

**Highlights:** Daily 3-minute quizzes, Expert-designed curriculum, Gamified learning experience, Earn redeemable gems, Learn basic to advanced investing

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 스파크 | $0.49 | one-time |
| 20 스파크 | $0.99 | one-time |
| 30 스파크 | $1.99 | one-time |
| 50 스파크 | $1.99 | one-time |
| 100 스파크 | $2.99 | one-time |
| 200 스파크 | $5.99 | one-time |


### Salayze

[App page](https://appshunter.io/ios/app/salayze/id6766448139)

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

**In-app purchases:** none


## Frequently asked questions

### Is 캐츠비(Katsby) free?

캐츠비(Katsby) is free to download, with in-app purchases available.

### Is Salayze free?

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

### Do 캐츠비(Katsby) or Salayze have ads?

캐츠비(Katsby) shows ads; Salayze does not.

### Which is updated more often, 캐츠비(Katsby) or Salayze?

캐츠비(Katsby) ships an update every 5 days, and Salayze every 5 days. Most recently, 캐츠비(Katsby) was updated on November 8, 2026 and Salayze on October 31, 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.*