# Waves vs Least Squares Curve Fit

The clearest difference is update cadence: Least Squares Curve Fit at every 8 days against Waves's every 2 months. Least Squares Curve Fit also leads on rating (5.0 vs 4.8). Waves's advantage is ratings volume (16 vs 2) and iOS requirement (11.4 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 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 4.8. That said, the two scores are not equally well evidenced: Waves has 16 ratings behind it against 2, so its average is the more settled of the two.

Waves ships an update every 2 months, Least Squares Curve Fit every 8 days. The most recent releases landed on June 1, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Waves | Least Squares Curve Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (16 ratings)](https://appshunter.io/ios/app/waves-partial-diff-eq/id1447533890/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/least-squares-curve-fit/id6443509668/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 30 MB | 7 MB |
| Requires iOS | **11.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim Lucas](https://appshunter.io/developer/1136916670) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Waves

[App page](https://appshunter.io/ios/app/waves-partial-diff-eq/id1447533890)

Explore graphical solutions to partial differential equations with interactive activities. Visualize Fourier series and solutions to heat and wave equations, with options to customize conditions and save your work.

**Highlights:** Interactive PDE exploration, Fourier series plotting, Heat equation solutions, Wave equation solutions, Customizable boundary/initial conditions, Save and analyze work

**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 Waves free?

Waves is free to download, 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, Waves or Least Squares Curve Fit?

Least Squares Curve Fit is rated higher. Waves averages 4.8 out of 5 from 16 ratings, while Least Squares Curve Fit averages 5.0 from 2 ratings.

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

Neither Waves nor Least Squares Curve Fit shows ads.

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

Waves ships an update every 2 months, and Least Squares Curve Fit every 8 days. Most recently, Waves was updated on June 1, 2026 and Least Squares Curve Fit on June 11, 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.*