# Least Squares Curve Fit vs Lines

The clearest difference is iOS requirement: Least Squares Curve Fit at 15.0 against Lines's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Least Squares Curve Fit | Lines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/least-squares-curve-fit/id6443509668/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | — |
| Size | 7 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [Bruno Faganello](https://appshunter.io/developer/982941970) |

## What reviewers say

### Least Squares Curve Fit

[App page](https://appshunter.io/ios/app/least-squares-curve-fit/id6443509668)

This app helps users find the best-fit curves for their data points using the Least Squares method. It supports various 2D and 3D function types, reports equations, and draws graphs. Data can be saved for later use.

**Highlights:** Least Squares Linear Regression Method, Multiple 2D and 3D function types, Equation reporting, Graph visualization, Data point storage, Best fit analysis, SVD calculation option

**Features:** macOS Compatibility

**In-app purchases:** none


### Lines

[App page](https://appshunter.io/ios/app/lines-math-visualizer/id6778126909)

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

**In-app purchases:** none


## Frequently asked questions

### Is Least Squares Curve Fit free?

Least Squares Curve Fit is free to download, with no in-app purchases.

### Is Lines free?

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

### Do Least Squares Curve Fit or Lines have ads?

Neither Least Squares Curve Fit nor Lines 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.*