# NumberSpeed vs Gravity Orbit Lab

The clearest difference is in-app purchases: Gravity Orbit Lab at none against NumberSpeed's 1. Gravity Orbit Lab also leads on ads (none vs shown) and iOS requirement (15 vs 17.0). On price and device support there is nothing between them.

Both are free to download. NumberSpeed sells 1 one-off in-app purchase. Gravity Orbit Lab asks for nothing beyond the download.

## The numbers

| Metric | NumberSpeed | Gravity Orbit Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 23 MB | 7 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) | [珺瑞 王](https://appshunter.io/developer/1861829279) |

## What reviewers say

### NumberSpeed

[App page](https://appshunter.io/ios/app/numberspeed-tap-number-game/id6759472551)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Gravity Orbit Lab

[App page](https://appshunter.io/ios/app/gravity-orbit-lab/id6760806733)

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

**In-app purchases:** none


## Frequently asked questions

### Is NumberSpeed free?

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

### Is Gravity Orbit Lab free?

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

### Do NumberSpeed or Gravity Orbit Lab have ads?

NumberSpeed shows ads; Gravity Orbit Lab 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.*