# Gravity Paint vs Number Reef

The clearest difference is ads: Number Reef at none against Gravity Paint's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity Paint sells 7 one-off in-app purchases and Number Reef sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Gravity Paint | Number Reef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/number-reef-swim-and-learn/id6797616465/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 days |
| Monetization | — | Free |
| Size | 172 MB | 16 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MH Global Trade s.r.o](https://appshunter.io/developer/1839424529) | [Jens Somers](https://appshunter.io/developer/1847195635) |

## What reviewers say

### Gravity Paint

[App page](https://appshunter.io/ios/app/gravity-paint/id6791069442)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy world - Toy Quarter | $1.99 | one-time |
| Buy world - Bloom Garden | $1.99 | one-time |
| Buy world - Ocean Gallery | $1.99 | one-time |
| Buy world - Colorless Palace | $1.99 | one-time |
| Buy world - Moon Studio | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Buy all worlds | $8.99 | one-time |


### Number Reef

[App page](https://appshunter.io/ios/app/number-reef-swim-and-learn/id6797616465)

Explore a vibrant underwater world while practicing essential math skills. Catch correct answer bubbles, avoid incorrect ones, and build streaks to earn points and unlock new characters. This game makes learning addition, subtraction, multiplication, and division engaging and fun for various age groups.

**Highlights:** Underwater exploration gameplay, Practice addition, subtraction, multiplication, division, Catch correct answer bubbles, Build winning streaks for double points, Unlock new characters with points, Helper fish with power-ups

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eenmalige Premium-upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Gravity Paint free?

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

### Is Number Reef free?

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

### Do Gravity Paint or Number Reef have ads?

Gravity Paint shows ads; Number Reef 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.*