# MobileTmoney vs 캐츠비(Katsby)

The clearest difference is review sentiment: 캐츠비(Katsby) at 100% against MobileTmoney's 16%. 캐츠비(Katsby) also leads on rating (5.0 vs 3.0) and update cadence (every 5 days vs monthly). MobileTmoney's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price and device support there is nothing between them.

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

캐츠비(Katsby) holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: MobileTmoney has 183 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 16% of MobileTmoney's written reviews are positive against 100% of 캐츠비(Katsby)'s.

MobileTmoney ships an update monthly, 캐츠비(Katsby) every 5 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MobileTmoney | 캐츠비(Katsby) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (183 ratings)](https://appshunter.io/ios/app/mobiletmoney/id1470361790/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/katsby/id6740863943/reviews)** |
| Number of ratings | **183** | 1 |
| Positive reviews | 16.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 133 MB | 143 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tmoney Co., Ltd](https://appshunter.io/developer/922805218) | [KIRA & Company Inc.](https://appshunter.io/developer/1789524995) |

## What reviewers say

### MobileTmoney

[App page](https://appshunter.io/ios/app/mobiletmoney/id1470361790)

This app provides a convenient digital transit card for buses and subways throughout Korea. Users can easily tap their iPhone or Apple Watch to pay for rides without needing a physical card or signing up. Top-ups are simple using Apple Pay.

**Highlights:** Digital transit card for Korea, Tap to pay with iPhone/Apple Watch, No physical card needed, No sign-up required, Top up with Apple Pay, Check balance and top up in-app

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MobileTmoney free?

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

### Is 캐츠비(Katsby) free?

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

### Which has better reviews, MobileTmoney or 캐츠비(Katsby)?

캐츠비(Katsby) is rated higher. MobileTmoney averages 3.0 out of 5 from 183 ratings, while 캐츠비(Katsby) averages 5.0 from 1 ratings.

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

캐츠비(Katsby) shows ads; MobileTmoney does not.

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

MobileTmoney ships an update monthly, and 캐츠비(Katsby) every 5 days. Most recently, MobileTmoney was updated on November 3, 2026 and 캐츠비(Katsby) on November 4, 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.*