# Easy Math | Four Operations vs 찰떡 VOCA

The clearest difference is in-app purchases: 찰떡 VOCA at none against Easy Math | Four Operations's 3. 찰떡 VOCA also leads on update cadence (every 4 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Easy Math | Four Operations sells 3 in-app purchases, starting at $6.99 per month. 찰떡 VOCA asks for nothing beyond the download.

Easy Math | Four Operations ships an update every 5 weeks, 찰떡 VOCA every 4 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Easy Math | Four Operations | 찰떡 VOCA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/easy-math-four-operations/id1623870906/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 276 MB | 74 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [erkan gunes](https://appshunter.io/developer/1567300994) | [boim choi](https://appshunter.io/developer/1862063512) |

## What reviewers say

### Easy Math | Four Operations

[App page](https://appshunter.io/ios/app/easy-math-four-operations/id1623870906)

This app offers over 20 interactive mini-games designed to make learning math fun for children. It covers fundamental operations, fractions, and mental calculations, aligning with preschool and elementary curricula. Features include a reward system and leaderboards to motivate young learners.

**Highlights:** Over 20 interactive mini-games, Covers addition, subtraction, multiplication, division, Teaches fractions and multiplication tables, Reinforces learning with interactive homework, Reward system with stickers and avatars, Leaderboard for friendly competition

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık Üyelik | $6.99 | per month |
| Yearly Premium - Limited Offer | $24.99 | per year |
| Yıllık Üyelik | $29.99 | per year |


### 찰떡 VOCA

[App page](https://appshunter.io/ios/app/voca/id6774862800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Easy Math | Four Operations free?

Easy Math | Four Operations is free to download, with in-app purchases available.

### Is 찰떡 VOCA free?

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

### Do Easy Math | Four Operations or 찰떡 VOCA have ads?

Neither Easy Math | Four Operations nor 찰떡 VOCA shows ads.

### Which is updated more often, Easy Math | Four Operations or 찰떡 VOCA?

Easy Math | Four Operations ships an update every 5 weeks, and 찰떡 VOCA every 4 days. Most recently, Easy Math | Four Operations was updated on October 9, 2026 and 찰떡 VOCA on October 18, 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.*