# GeoFormulas by ChatStick vs Geometry Solver △

The clearest difference is ads: Geometry Solver △ at none against GeoFormulas by ChatStick's shown. Geometry Solver △ also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.4). On price and in-app purchases there is nothing between them.

Both are free to download. GeoFormulas by ChatStick sells 1 one-off in-app purchase and Geometry Solver △ sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | GeoFormulas by ChatStick | Geometry Solver △ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Size | 8 MB | 56 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Wiktor Pabich](https://appshunter.io/developer/1842657816) |

## What reviewers say

### GeoFormulas by ChatStick

[App page](https://appshunter.io/ios/app/geoformulas-by-chatstick/id6751835608)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Feature | $2.99 | one-time |


### Geometry Solver △

[App page](https://appshunter.io/ios/app/geometry-solver/id6759857563)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Geometry Solver Weekly Subscription | $6.99 | per 7 days |
| Geometry Solver Annual | $39.99 | per year |


## Frequently asked questions

### Is GeoFormulas by ChatStick free?

GeoFormulas by ChatStick is free to download, with in-app purchases available.

### Is Geometry Solver △ free?

Geometry Solver △ is free to download, with in-app purchases available.

### Do GeoFormulas by ChatStick or Geometry Solver △ have ads?

GeoFormulas by ChatStick shows ads; Geometry Solver △ does not.

---

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