# Area geometric figures vs KeepKnow

The clearest difference is in-app purchases: KeepKnow at none against Area geometric figures's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Area geometric figures sells 1 one-off in-app purchase. KeepKnow asks for nothing beyond the download.

## The numbers

| Metric | Area geometric figures | KeepKnow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 70 MB | 48 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [KeepKnow New Energy Limited](https://appshunter.io/developer/1893814746) |

## What reviewers say

### Area geometric figures

[App page](https://appshunter.io/ios/app/area-geometric-figures/id6746407118)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $3.99 | one-time |


### KeepKnow

[App page](https://appshunter.io/ios/app/keepknow/id6762320766)

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

**In-app purchases:** none


## Frequently asked questions

### Is Area geometric figures free?

Area geometric figures is free to download, with in-app purchases available.

### Is KeepKnow free?

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

### Do Area geometric figures or KeepKnow have ads?

Neither Area geometric figures nor KeepKnow shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*