# Polynomial Regression vs SolveFast

The clearest difference is in-app purchases: Polynomial Regression at none against SolveFast's 2. Polynomial Regression also leads on iOS requirement (15.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. SolveFast sells 2 in-app purchases, starting at $4.99 per 7 days. Polynomial Regression asks for nothing beyond the download.

## The numbers

| Metric | Polynomial Regression | SolveFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 4 MB | 9 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [JUNKAWEIGH LLC](https://appshunter.io/developer/6775019429) |

## What reviewers say

### Polynomial Regression

[App page](https://appshunter.io/ios/app/polynomial-regression/id6741364702)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Polynomial Regression free?

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

### Is SolveFast free?

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

### Do Polynomial Regression or SolveFast have ads?

Neither Polynomial Regression nor SolveFast 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.*