# 슈퍼세이프 vs Simple Mental Math Practice

The clearest difference is in-app purchases: 슈퍼세이프 at none against Simple Mental Math Practice's 1. 슈퍼세이프 also leads on ads (none vs shown). Simple Mental Math Practice's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Simple Mental Math Practice sells 1 one-off in-app purchase. 슈퍼세이프 asks for nothing beyond the download.

슈퍼세이프 ships an update every 2 months, Simple Mental Math Practice every 3 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 슈퍼세이프 | Simple Mental Math Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 13 MB | 36 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hyundai Research Institute](https://appshunter.io/developer/398155730) | [ENDEVLAB](https://appshunter.io/developer/1803275438) |

## What reviewers say

### 슈퍼세이프

[App page](https://appshunter.io/ios/app/id6747611104)

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

**In-app purchases:** none


### Simple Mental Math Practice

[App page](https://appshunter.io/ios/app/simple-mental-math-practice/id6755456204)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $6.99 | one-time |


## Frequently asked questions

### Is 슈퍼세이프 free?

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

### Is Simple Mental Math Practice free?

Simple Mental Math Practice is free to download, with in-app purchases available.

### Do 슈퍼세이프 or Simple Mental Math Practice have ads?

Simple Mental Math Practice shows ads; 슈퍼세이프 does not.

### Which is updated more often, 슈퍼세이프 or Simple Mental Math Practice?

슈퍼세이프 ships an update every 2 months, and Simple Mental Math Practice every 3 days. Most recently, 슈퍼세이프 was updated on October 28, 2026 and Simple Mental Math Practice on October 30, 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.*