# Pile Them UP vs Define Gravity

The clearest difference is rating: Define Gravity at 5.0 against Pile Them UP's 4.4. Define Gravity also leads on in-app purchases (none vs 1) and ads (none vs shown). Pile Them UP's advantage is iOS requirement (10.0 vs 13.0). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Pile Them UP sells 1 one-off in-app purchase. Define Gravity asks for nothing beyond the download.

Define Gravity holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Pile Them UP ships an update every 9 days, Define Gravity every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Pile Them UP | Define Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/pile-them-up-shape-puzzle/id1479296061/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/define-gravity/id6739888193/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 154 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CASUAL NINE SOCIEDAD LIMITADA](https://appshunter.io/developer/1177533487) | [MangumLabs LLC](https://appshunter.io/developer/675487379) |

## What reviewers say

### Pile Them UP

[App page](https://appshunter.io/ios/app/pile-them-up-shape-puzzle/id1479296061)

Strategically draw and stack colorful shapes to fill transparent boxes and clear levels. This physics-based puzzle game offers a relaxing yet challenging experience with a variety of levels and randomly generated challenges.

**Highlights:** Draw and stack shapes, Fill transparent boxes, Physics-based gameplay, Randomly generated challenges, Wide assortment of levels, Intuitive UI/UX

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $1.99 | one-time |


### Define Gravity

[App page](https://appshunter.io/ios/app/define-gravity/id6739888193)

Navigate challenging 2D puzzles by manipulating gravity and using a magnetic force. This game offers a unique twist on puzzle-solving with its core mechanics.

**Highlights:** Gravity manipulation, Magnetic force mechanics, 2D puzzle gameplay, Challenging levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pile Them UP free?

Pile Them UP is free to download, with in-app purchases available.

### Is Define Gravity free?

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

### Which has better reviews, Pile Them UP or Define Gravity?

Define Gravity is rated higher. Pile Them UP averages 4.4 out of 5 from 8 ratings, while Define Gravity averages 5.0 from 6 ratings.

### Do Pile Them UP or Define Gravity have ads?

Pile Them UP shows ads; Define Gravity does not.

### Which is updated more often, Pile Them UP or Define Gravity?

Pile Them UP ships an update every 9 days, and Define Gravity every 2 days. Most recently, Pile Them UP was updated on October 24, 2026 and Define Gravity on October 24, 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.*