# Solver AI vs Binomial Toolkit

The clearest difference is device support: Solver AI at 2 against Binomial Toolkit's —. Solver AI also leads on iOS requirement (18.6 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Solver AI sells 2 in-app purchases, starting at $5.99 per 7 days and Binomial Toolkit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Solver AI | Binomial Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 56 MB | 11 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Tilak Shakya](https://appshunter.io/developer/1823223726) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Solver AI

[App page](https://appshunter.io/ios/app/solver-ai-study-companion/id6756205275)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Yearly Premium | $34.99 | per year |


### Binomial Toolkit

[App page](https://appshunter.io/ios/app/binomial-toolkit-math-solver/id6760530544)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features + Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Solver AI free?

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

### Is Binomial Toolkit free?

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

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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.*