# 라임타운 vs Number Master

The clearest difference is in-app purchases: Number Master at none against 라임타운's 3. 라임타운's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 라임타운 sells 3 one-off in-app purchases. Number Master asks for nothing beyond the download.

라임타운 ships an update every 2 days, Number Master every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 라임타운 | Number Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/number-master-brain-boost/id6809281335/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 161 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hongsang Lee](https://appshunter.io/developer/6788223042) | [ENDEVLAB](https://appshunter.io/developer/1803275438) |

## What reviewers say

### 라임타운

[App page](https://appshunter.io/ios/app/id6788223040)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 이용권 | $11.99 | one-time |
| 6개월 이용권 | $34.99 | one-time |
| 12개월 이용권 | $59.99 | one-time |


### Number Master

[App page](https://appshunter.io/ios/app/number-master-brain-boost/id6809281335)

This app enhances math skills and cognitive abilities through engaging mini-games. It offers practice in arithmetic, logic, memory, and focus, with levels that adapt to user progress. Designed for children, it allows for personalized learning paths and multiple user profiles.

**Highlights:** Arithmetic practice (addition, subtraction, multiplication, division), Logic, memory, and focus mini-games, Progress tracking with visible levels, Personalized learning pace, Multiple user profiles, Grown-up protection for settings

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

**In-app purchases:** none


## Frequently asked questions

### Is 라임타운 free?

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

### Is Number Master free?

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

### Do 라임타운 or Number Master have ads?

Number Master shows ads; 라임타운 does not.

### Which is updated more often, 라임타운 or Number Master?

라임타운 ships an update every 2 days, and Number Master every 5 days. Most recently, 라임타운 was updated on October 31, 2026 and Number Master 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.*