# Plotter vs Least Squares Curve Fit

The clearest difference is price: Least Squares Curve Fit at Free against Plotter's $0.99. Least Squares Curve Fit also leads on rating (5.0 vs 1.0) and update cadence (every 8 days vs every 7 months). Plotter's advantage is iOS requirement (11.0 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Least Squares Curve Fit is free to download; Plotter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Least Squares Curve Fit holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Plotter ships an update every 7 months, Least Squares Curve Fit every 8 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Plotter | Least Squares Curve Fit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/plotter/id305997268/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/least-squares-curve-fit/id6443509668/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 7 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Plotter

[App page](https://appshunter.io/ios/app/plotter/id305997268)

Easily plot graphs of mathematical functions by entering formulas and specifying a range. Supports multiple functions and offers interactive chart themes. Share your plots via email.

**Highlights:** Plot graphs of functions, Enter formulas and specify range, Plot multiple functions, Interactive chart themes, Email charts and formulas

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Plotter free?

Plotter costs $0.99, with no in-app purchases.

### Is Least Squares Curve Fit free?

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

### Which has better reviews, Plotter or Least Squares Curve Fit?

Least Squares Curve Fit is rated higher. Plotter averages 1.0 out of 5 from 2 ratings, while Least Squares Curve Fit averages 5.0 from 2 ratings.

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

Neither Plotter nor Least Squares Curve Fit shows ads.

### Which is updated more often, Plotter or Least Squares Curve Fit?

Plotter ships an update every 7 months, and Least Squares Curve Fit every 8 days. Most recently, Plotter was updated on October 15, 2026 and Least Squares Curve Fit on October 9, 2026.

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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.*