# Piggy Knowledge vs Antigravity

The clearest difference is in-app purchases: Antigravity at none against Piggy Knowledge's 1. Piggy Knowledge's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Piggy Knowledge sells 1 one-off in-app purchase. Antigravity asks for nothing beyond the download.

## The numbers

| Metric | Piggy Knowledge | Antigravity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 50 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rolling Pig Studio](https://appshunter.io/developer/1039625108) | [Owen Taylor](https://appshunter.io/developer/1888816695) |

## What reviewers say

### Piggy Knowledge

[App page](https://appshunter.io/ios/app/piggy-knowledge/id6466038846)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |


### Antigravity

[App page](https://appshunter.io/ios/app/antigravity-procrastination/id6762059599)

**In-app purchases:** none


## Frequently asked questions

### Is Piggy Knowledge free?

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

### Is Antigravity free?

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

### Do Piggy Knowledge or Antigravity have ads?

Neither Piggy Knowledge nor Antigravity shows ads.

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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.*