# Tetrisify vs Define Gravity

The clearest difference is review sentiment: Define Gravity at 100% against Tetrisify's 0%. Define Gravity also leads on in-app purchases (none vs 4) and ads (none vs shown). Tetrisify's advantage is ratings volume (160 vs 6). On price, monetization model and device support there is nothing between them.

Both are free to download. Tetrisify sells 4 in-app purchases, starting at $4.99 per month. Define Gravity asks for nothing beyond the download.

Define Gravity holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Tetrisify has 160 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of Tetrisify's written reviews are positive against 100% of Define Gravity's.

Tetrisify ships an update every 21 months, Define Gravity every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tetrisify | Define Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (160 ratings)](https://appshunter.io/ios/app/tetrisify-block-merge-puzzle/id6447600924/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/define-gravity/id6739888193/reviews)** |
| Number of ratings | **160** | 6 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 103 MB | 154 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) | [MangumLabs LLC](https://appshunter.io/developer/675487379) |

## What reviewers say

### Tetrisify

[App page](https://appshunter.io/ios/app/tetrisify-block-merge-puzzle/id6447600924)

Engage in an addictive block-stacking puzzle game with a sleek design and thrilling gameplay. Perfect for all skill levels, this challenge will keep you entertained for hours as you master the art of stacking blocks.

**Highlights:** Block-stacking challenge, Addictive gameplay, Sleek design, Thrilling gameplay, Suitable for all skill levels

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tetrisify Plus | $4.99 | per month |
| 120 Coins | $0.99 | one-time |
| 400 Coins | $2.99 | one-time |
| 1000 Coins | $5.99 | 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 Tetrisify free?

Tetrisify 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, Tetrisify or Define Gravity?

Define Gravity is rated higher. Tetrisify averages 4.5 out of 5 from 160 ratings, while Define Gravity averages 5.0 from 6 ratings.

### Do Tetrisify or Define Gravity have ads?

Tetrisify shows ads; Define Gravity does not.

### Which is updated more often, Tetrisify or Define Gravity?

Tetrisify ships an update every 21 months, and Define Gravity every 2 days. Most recently, Tetrisify was updated on November 3, 2026 and Define Gravity 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.*