# Grav Box vs Flow Particles

The clearest difference is in-app purchases: Flow Particles at none against Grav Box's 10. Flow Particles also leads on ads (none vs shown) and rating (5.0 vs 4.8). Grav Box's advantage is ratings volume (26 vs 2) and device support (3 vs 1). On price and review sentiment there is nothing between them.

Both are free to download. Grav Box sells 10 one-off in-app purchases. Flow Particles asks for nothing beyond the download.

Flow Particles holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Grav Box has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 96% of Grav Box's written reviews are positive against 100% of Flow Particles's.

## The numbers

| Metric | Grav Box | Flow Particles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (26 ratings)](https://appshunter.io/ios/app/grav-box/id1050320618/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flow-particles/id1207316999/reviews)** |
| Number of ratings | **26** | 2 |
| Positive reviews | 96.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 57 MB |
| Requires iOS | 14.0 | **8.4** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Capraro](https://appshunter.io/developer/1691787728) | [ECAL / Ecole cantonale d'art de Lausanne](https://appshunter.io/developer/1090341014) |

## What reviewers say

### Grav Box

[App page](https://appshunter.io/ios/app/grav-box/id1050320618)

Control gravity with a tap and hold to manipulate objects. Customize their appearance, explore dynamic physics, and engage in arcade challenges with leaderboards and achievements.

**Highlights:** Tap and hold to control gravity, Customize grav colors and emojis, Dynamic backgrounds and physics effects, Arcade mode with achievements, Global leaderboards, In-game events like black holes

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Blocks (100) Pack | $0.99 | one-time |
| Light Portal | $0.99 | one-time |
| Dark Portal | $0.99 | one-time |
| Grav Box | $0.99 | one-time |
| Midnight | $0.99 | one-time |
| Daybreak | $0.99 | one-time |
| Beach | $0.99 | one-time |
| Jungle | $0.99 | one-time |
| Mist | $0.99 | one-time |
| Gold Blocks (1000) Pack | $4.99 | one-time |


### Flow Particles

[App page](https://appshunter.io/ios/app/flow-particles/id1207316999)

Manipulate electromagnetic fields to guide particles towards receptors in this physics-based puzzle game. Explore the laws of electromagnetism through engaging gameplay.

**Highlights:** Electromagnetism simulation, Particle manipulation, Receptor aiming puzzles, Physics-based gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grav Box free?

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

### Is Flow Particles free?

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

### Which has better reviews, Grav Box or Flow Particles?

Flow Particles is rated higher. Grav Box averages 4.8 out of 5 from 26 ratings, while Flow Particles averages 5.0 from 2 ratings.

### Do Grav Box or Flow Particles have ads?

Grav Box shows ads; Flow Particles does not.

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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.*