# Binomial Toolkit vs SolveFast

The clearest difference is device support: SolveFast at 2 against Binomial Toolkit's —. SolveFast also leads on iOS requirement (18.4 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Binomial Toolkit sells 1 one-off in-app purchase and SolveFast sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Binomial Toolkit | SolveFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Size | 11 MB | 9 MB |
| Requires iOS | 26.0 | **18.4** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [JUNKAWEIGH LLC](https://appshunter.io/developer/6775019429) |

## What reviewers say

### 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 |


### SolveFast

[App page](https://appshunter.io/ios/app/solvefast-ai-homework-helper/id6775019427)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Binomial Toolkit free?

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

### Is SolveFast free?

SolveFast 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.*