# quantum hangul vs SumSquare

The clearest difference is in-app purchases: quantum hangul at none against SumSquare's 9. quantum hangul also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. SumSquare sells 9 in-app purchases, starting at $1.99 per month. quantum hangul asks for nothing beyond the download.

## The numbers

| Metric | quantum hangul | SumSquare |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumsquare-math-grid-game/id6756501108/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 159 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [RoxyKovu LLC](https://appshunter.io/developer/1816071699) |

## What reviewers say

### quantum hangul

[App page](https://appshunter.io/ios/app/quantum-hangul/id6499096185)

**Features:** macOS Compatibility

**In-app purchases:** none


### SumSquare

[App page](https://appshunter.io/ios/app/sumsquare-math-grid-game/id6756501108)

Engage your mind with a calming math grid puzzle. Fill the grid with numbers, applying operations to meet target answers for each row and column. Enjoy daily challenges or unlimited practice with helpful tools.

**Highlights:** Math grid puzzles, Daily challenges, Unlimited practice mode, Hints and undo/redo, Game Center leaderboards, Customizable themes and accessibility

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daily Club Monthly | $1.99 | per month |
| Daily Club Yearly | $12.99 | per year |
| 50 Coins | $0.99 | one-time |
| 60‑Day Pack | $1.99 | one-time |
| 60‑Day Pack 2 | $1.99 | one-time |
| 60‑Day Pack 3 | $1.99 | one-time |
| 60-Day Pack 4 | $1.99 | one-time |
| 100 Coins | $1.99 | one-time |
| 200 Coins | $2.99 | one-time |


## Frequently asked questions

### Is quantum hangul free?

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

### Is SumSquare free?

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

### Do quantum hangul or SumSquare have ads?

SumSquare shows ads; quantum hangul does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*