# Inverse Proportion vs G1 Test Ontario

The clearest difference is in-app purchases: Inverse Proportion at none against G1 Test Ontario's 1. Inverse Proportion also leads on iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. G1 Test Ontario sells 1 one-off in-app purchase. Inverse Proportion asks for nothing beyond the download.

## The numbers

| Metric | Inverse Proportion | G1 Test Ontario |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 months |
| Size | 32 MB | 70 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### Inverse Proportion

[App page](https://appshunter.io/ios/app/inverse-proportion/id6736589300)

**Features:** macOS Compatibility

**In-app purchases:** none


### G1 Test Ontario

[App page](https://appshunter.io/ios/app/g1-test-ontario-test-prep/id6742965924)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $7.99 | one-time |


## Frequently asked questions

### Is Inverse Proportion free?

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

### Is G1 Test Ontario free?

G1 Test Ontario is free to download, with in-app purchases available.

### Do Inverse Proportion or G1 Test Ontario have ads?

Neither Inverse Proportion nor G1 Test Ontario 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.*