Comparison

Pythagorean theorem App vs GeoFormulas by ChatStick

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Pythagorean theorem App

Features
Read full description

Pythagorean Theorem Calculator step by step angle value

About

GeoFormulas by ChatStick

Features
Read full description

Take the stress out of geometry! GeoFormulas is your all-in-one learning and calculation app designed for students, teachers, and curious minds. With interactive diagrams, clear step-by-step explanations, and instant calculators, you’ll never be stuck on a formula again. Whether you’re studying for class, teaching in the classroom, or simply brushing up on your math skills, GeoFormulas makes geometry engaging and easy to understand. Why you’ll love GeoFormulas: • Huge Formula Library – Explore 50+ 2D & 3D shapes with area, perimeter, surface area, and volume formulas.

 • Interactive Diagrams – Move sliders, change dimensions, and watch shapes transform in real time.

 • Instant Calculator – Enter values and get results immediately with unit conversions built in.

 • Learn While You Calculate – Read simple explanations and discover how each formula works.

 • Track Your Work – Save favorites, view history, and share results with friends or classmates.

 • Beautiful Themes – Customize the look of the app with fun, colorful designs.
 
 Go Premium and Unlock All Features: • Access to all 50+ shapes and formulas

 • Step-by-step derivations and deeper explanations

 • Unlimited history and favorites

 • Premium themes and customization

 • Ad-free experience

 With GeoFormulas, geometry becomes clear, interactive, and enjoyable. Download today and make geometry simple!

Screenshots

Pythagorean theorem App4 screens
GeoFormulas by ChatStick4 screens

Verdict

The call

The clearest difference is in-app purchases: Pythagorean theorem App at none against GeoFormulas by ChatStick's 1. Pythagorean theorem App also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GeoFormulas by ChatStick sells 1 one-off in-app purchase. Pythagorean theorem App asks for nothing beyond the download.

UpkeepUpdate frequency

Pythagorean theorem App ships an update every 9 months, GeoFormulas by ChatStick every 7 months. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 2 level
Pythagorean theorem App versus GeoFormulas by ChatStick: the parameters behind the verdict, then further details
ParameterPythagorean theorem AppGeoFormulas by ChatStick
PriceFreeFree
Update frequencyEvery 9 monthsEvery 7 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.4
Further details — not scored
Size23 MB8 MB
Age rating4+4+
DeveloperEdwin MejiaChatStick Company Limited

In-app purchases

None

Pythagorean theorem App

No in-app purchases

1 purchases

GeoFormulas by ChatStick

One-time1
  • Unlock All Feature$2.99

Questions

Is Pythagorean theorem App free?
Pythagorean theorem App is free to download, with no in-app purchases.
Is GeoFormulas by ChatStick free?
GeoFormulas by ChatStick is free to download, with in-app purchases available.
Do Pythagorean theorem App or GeoFormulas by ChatStick have ads?
GeoFormulas by ChatStick shows ads; Pythagorean theorem App does not.
Which is updated more often, Pythagorean theorem App or GeoFormulas by ChatStick?
Pythagorean theorem App ships an update every 9 months, and GeoFormulas by ChatStick every 7 months. Most recently, Pythagorean theorem App was updated on October 27, 2026 and GeoFormulas by ChatStick on October 18, 2026.

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