# Sumday vs 하루연산

The clearest difference is in-app purchases: 하루연산 at none against Sumday's 1. 하루연산 also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sumday sells 1 one-off in-app purchase. 하루연산 asks for nothing beyond the download.

## The numbers

| Metric | Sumday | 하루연산 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TON CO., LTD.](https://appshunter.io/developer/6796677381) | [에이드리븐 주식회사](https://appshunter.io/developer/1655290007) |

## What reviewers say

### Sumday

[App page](https://appshunter.io/ios/app/sumday-mental-math-practice/id6802302480)

Sharpen your number sense with daily mental math exercises. This app offers quick arithmetic practice, practical math tricks, and progress tracking to improve your speed and accuracy in just five minutes a day.

**Highlights:** Daily arithmetic questions, Adaptive difficulty levels, Mental math technique cards, Progress tracking and reports, Streak tracking, Offline functionality

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumday Premium | $3.99 | one-time |


### 하루연산

[App page](https://appshunter.io/ios/app/id6820085960)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sumday free?

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

### Is 하루연산 free?

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

### Do Sumday or 하루연산 have ads?

Sumday shows ads; 하루연산 does not.

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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.*