# 포도알 vs Number Master

The clearest difference is ads: 포도알 at none against Number Master's shown. 포도알 also leads on monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

포도알 ships an update every 3 days, Number Master every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 포도알 | 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** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 161 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOHOON LEE](https://appshunter.io/developer/6777494484) | [ENDEVLAB](https://appshunter.io/developer/1803275438) |

## What reviewers say

### 포도알

[App page](https://appshunter.io/ios/app/id6777494482)

This app helps parents praise and reward their children's good behavior. It offers a digital sticker chart for tracking accomplishments, with options for earning money or 'grape' tokens towards goals. Manage multiple children and track spending for a fun approach to habit building and allowance education.

**Highlights:** Create custom praise items, Choose between 'Bank' or 'Grape Field' reward modes, Set and track goals, Record spending and earn badges, Manage up to 3 children, Digital sticker chart functionality

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

**In-app purchases:** none


### 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 포도알 free?

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

### Is Number Master free?

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

### Do 포도알 or Number Master have ads?

Number Master shows ads; 포도알 does not.

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

포도알 ships an update every 3 days, and Number Master every 5 days. Most recently, 포도알 was updated on October 28, 2026 and Number Master on October 29, 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.*