# KORPU vs Check to win

The clearest difference is update cadence: Check to win at every 10 days against KORPU's every 3 months. Check to win also leads on iOS requirement (12.0 vs 15.1). On price, ads, 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.

KORPU ships an update every 3 months, Check to win every 10 days. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | KORPU | Check to win |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/check-to-win/id6477468320/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 56 MB | 96 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KORPU BUILDING BRIDGES WITH THE WORD LTD](https://appshunter.io/developer/1602429420) | [VATTANI LTD](https://appshunter.io/developer/1729396331) |

## What reviewers say

### KORPU

[App page](https://appshunter.io/ios/app/korpu/id1602429418)

**Features:** Vision Pro support

**In-app purchases:** none


### Check to win

[App page](https://appshunter.io/ios/app/check-to-win/id6477468320)

An educational program that blends competition with skill improvement and income generation. Users can enhance reading and writing abilities through challenges, earning incentives along the way. It offers a unique and rewarding experience for learning and fun.

**Highlights:** Competitive challenges, Reading skill improvement, Essay writing practice, Incentive income opportunities, Progress tracking, Showcase writing creativity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KORPU free?

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

### Is Check to win free?

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

### Do KORPU or Check to win have ads?

Neither KORPU nor Check to win shows ads.

### Which is updated more often, KORPU or Check to win?

KORPU ships an update every 3 months, and Check to win every 10 days. Most recently, KORPU was updated on October 25, 2026 and Check to win on November 4, 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.*