# InglesTec vs Inverse Proportion

The clearest difference is in-app purchases: Inverse Proportion at none against InglesTec's 3. 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. InglesTec sells 3 in-app purchases, starting at $1.99 per month. Inverse Proportion asks for nothing beyond the download.

## The numbers

| Metric | InglesTec | Inverse Proportion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 45 MB | 32 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### InglesTec

[App page](https://appshunter.io/ios/app/inglestec/id1576926644)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


### Inverse Proportion

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InglesTec free?

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

### Is Inverse Proportion free?

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

### Do InglesTec or Inverse Proportion have ads?

Neither InglesTec nor Inverse Proportion 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.*