# Pythagorean Calculator vs Jackson

The clearest difference is price: Jackson at Free against Pythagorean Calculator's $0.99. Jackson also leads on rating (5.0 vs 3.5) and update cadence (every 3 months vs every 33 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Jackson is free to download; Pythagorean Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jackson holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

Pythagorean Calculator ships an update every 33 months, Jackson every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pythagorean Calculator | Jackson |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/pythagorean-calculator/id495387401/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jackson-madison-county-library/id1584226874/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 56 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JTM](https://appshunter.io/developer/491099581) | [Jackson Madison County Library](https://appshunter.io/developer/1584226876) |

## What reviewers say

### Pythagorean Calculator

[App page](https://appshunter.io/ios/app/pythagorean-calculator/id495387401)

Easily calculate any missing side of a right triangle. This user-friendly tool has the Pythagorean theorem formula built-in, requiring only the two known sides to find the third.

**Highlights:** Calculate missing triangle sides, Built-in Pythagorean theorem formula, User-friendly interface, Supports iPhone and iPad

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

**In-app purchases:** none


### Jackson

[App page](https://appshunter.io/ios/app/jackson-madison-county-library/id1584226874)

Access all library services, events, hours, and locations. Log in to manage your account, check book status, and sign up for a library card or e-card. Connect with social media for updates.

**Highlights:** Library services and events listing, Hours and locations, Account login and book status, Library card and e-card sign-up, Social media integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pythagorean Calculator free?

Pythagorean Calculator costs $0.99, with no in-app purchases.

### Is Jackson free?

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

### Which has better reviews, Pythagorean Calculator or Jackson?

Jackson is rated higher. Pythagorean Calculator averages 3.5 out of 5 from 6 ratings, while Jackson averages 5.0 from 3 ratings.

### Do Pythagorean Calculator or Jackson have ads?

Neither Pythagorean Calculator nor Jackson shows ads.

### Which is updated more often, Pythagorean Calculator or Jackson?

Pythagorean Calculator ships an update every 33 months, and Jackson every 3 months. Most recently, Pythagorean Calculator was updated on November 6, 2026 and Jackson on November 3, 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.*