# MathFriends vs 우리학원e 출결앱

The clearest difference is in-app purchases: 우리학원e 출결앱 at none against MathFriends's 17. 우리학원e 출결앱 also leads on update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathFriends sells 17 one-off in-app purchases. 우리학원e 출결앱 asks for nothing beyond the download.

MathFriends ships an update monthly, 우리학원e 출결앱 every 3 days. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MathFriends | 우리학원e 출결앱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/mathfriends-fun-math-for-kids/id1550930744/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 98.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 392 MB | 51 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MathMaster](https://appshunter.io/developer/1550930746) | [(주)스마트러닝코리아](https://appshunter.io/developer/1085544891) |

## What reviewers say

### MathFriends

[App page](https://appshunter.io/ios/app/mathfriends-fun-math-for-kids/id1550930744)

This app offers systematic math learning for elementary students through daily lessons, timed challenges, and video tutorials. It incorporates fun games, avatar customization, and rewards to boost engagement and confidence. Parents can monitor progress in real-time via a connected app.

**Highlights:** Daily systematic learning, Timed math challenges, Learning videos, Math game center, Avatar customization, Parental progress tracking

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 일프로연산 1개월+1개월 이용권 | $24.99 | one-time |
| MathFriends 1 Month Pass | $24.99 | one-time |
| MathFriends 6 + 3 Months Pass | $59.99 | one-time |
| MathFriends 6 + 1 Months Pass | $59.99 | one-time |
| MathFriends 12 + 6 Months Pass | $79.99 | one-time |
| 일프로연산 이벤트 6개월 이용권 | $89.99 | one-time |
| 일프로연산 이벤트 6개월 이용권 (6개월 + 3개월) | $89.99 | one-time |
| MathFriends 6 Month Pass | $89.99 | one-time |
| 일프로연산 6개월 이용권(프로모션) | $94.99 | one-time |
| 일프로연산 6개월 이용권 | $99.99 | one-time |
| 일프로연산 6개월 이용권 (프로모션) | $99.99 | one-time |
| 일프로연산 1년 이용권 | $99.99 | one-time |
| 일프로연산 이벤트 1년 이용권 (1년 + 6개월) | $119.99 | one-time |
| 일프로연산 이벤트 1년 이용권 | $119.99 | one-time |
| MathFriends 12 Months Pass | $119.99 | one-time |
| 일프로연산 2년 이용권 | $129.99 | one-time |
| 일프로연산 1년 이용권 | $149.99 | one-time |


### 우리학원e 출결앱

[App page](https://appshunter.io/ios/app/e/id6575373971)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathFriends free?

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

### Is 우리학원e 출결앱 free?

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

### Do MathFriends or 우리학원e 출결앱 have ads?

Neither MathFriends nor 우리학원e 출결앱 shows ads.

### Which is updated more often, MathFriends or 우리학원e 출결앱?

MathFriends ships an update monthly, and 우리학원e 출결앱 every 3 days. Most recently, MathFriends was updated on October 2, 2026 and 우리학원e 출결앱 on September 20, 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.*