# Hypothesis Test vs Polynomial Regression

The clearest difference is price: Polynomial Regression at Free against Hypothesis Test's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Polynomial Regression is free to download; Hypothesis Test costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hypothesis Test ships an update monthly, Polynomial Regression every 3 weeks. The most recent releases landed on August 24, 2026 and December 14, 2025 respectively.

## The numbers

| Metric | Hypothesis Test | Polynomial Regression |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hypothesis-test-type-i-pro/id6472454829/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 180 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Hypothesis Test

[App page](https://appshunter.io/ios/app/hypothesis-test-type-i-pro/id6472454829)

Perform Type I Error hypothesis testing with customizable null hypotheses and sample sizes. Calculate alpha errors or acceptance/rejection ranges with detailed, step-by-step solutions. Save and share your calculations.

**Highlights:** Type I Error hypothesis testing, Calculate alpha error, Calculate acceptance/rejection range, Right, left, or bilateral tests, Step-by-step solution display, Calculation history, Shareable results

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

**In-app purchases:** none


### Polynomial Regression

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hypothesis Test free?

Hypothesis Test costs $1.99, with no in-app purchases.

### Is Polynomial Regression free?

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

### Do Hypothesis Test or Polynomial Regression have ads?

Neither Hypothesis Test nor Polynomial Regression shows ads.

### Which is updated more often, Hypothesis Test or Polynomial Regression?

Hypothesis Test ships an update monthly, and Polynomial Regression every 3 weeks. Most recently, Hypothesis Test was updated on August 24, 2026 and Polynomial Regression on December 14, 2025.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*