# Flat Cube vs WordSum

The clearest difference is ads: WordSum at none against Flat Cube's shown. Flat Cube's advantage is update cadence (every 3 days vs weekly) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Flat Cube sells 1 one-off in-app purchase and WordSum sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Flat Cube ships an update every 3 days, WordSum weekly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Flat Cube | WordSum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/flat-cube-2d-brain-cube/id6739634625/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 161 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Redev Inc.](https://appshunter.io/developer/1658921539) | [Seif Ibrahim](https://appshunter.io/developer/1173469733) |

## What reviewers say

### Flat Cube

[App page](https://appshunter.io/ios/app/flat-cube-2d-brain-cube/id6739634625)

This 2D puzzle game challenges players to strategically slide colored tiles to match designated areas. It offers multiple difficulty levels and daily challenges, encouraging players to optimize their moves and improve cognitive skills.

**Highlights:** Intuitive 2D cube puzzle gameplay, Four colored tiles with a locking system, Slide optimization challenges, Five difficulty levels (4x4 to 12x12), Daily cube challenges, Achievements and badge system, Improves spatial awareness and cognitive skills

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $9.99 | one-time |


### WordSum

[App page](https://appshunter.io/ios/app/wordsum-words-that-count/id6775121910)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Food Pack | $0.99 | one-time |
| Space Pack | $0.99 | one-time |
| Sports Pack | $0.99 | one-time |
| Wood Skin | $0.99 | one-time |
| Neon Skin | $0.99 | one-time |
| Candy Skin | $0.99 | one-time |
| Retro Skin | $0.99 | one-time |
| 10 Hints Pack | $0.99 | one-time |
| 30 Hints Pack | $1.99 | one-time |
| Everything Bundle | $4.99 | one-time |


## Frequently asked questions

### Is Flat Cube free?

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

### Is WordSum free?

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

### Do Flat Cube or WordSum have ads?

Flat Cube shows ads; WordSum does not.

### Which is updated more often, Flat Cube or WordSum?

Flat Cube ships an update every 3 days, and WordSum weekly. Most recently, Flat Cube was updated on October 14, 2026 and WordSum on October 10, 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.*