Comparison

Pythagorean Calculator vs Dyslexia .abc

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

Head to head
About

Pythagorean Calculator

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
Read full description

Pythagorean Calculator is a very user friendly calculator to help you find any missing side of a right triangle. The formula for each side is already built in so all you need is the numbers of the 2 missing sides to find your answer!

About

Dyslexia .abc

This extension transforms webpages into a dyslexia-friendly format. It offers customizable fonts, adjustable text backgrounds for reduced eye strain, and font style choices to enhance online reading accessibility.

Highlights
  • Dyslexia-friendly webpage transformation
  • OpenDyslexic font support
  • Adjustable text background contrast
  • Customizable font styles (regular, bold, italic)
  • Reduced eye strain
  • Improved reading focus
Features
Read full description

With Dyslexia.abc, you can effortlessly transform any webpage into a dyslexia-friendly format, making reading easier and more enjoyable. The extension offers a range of features to customize your reading experience. Switch to the OpenDyslexic font, specially designed to enhance readability for dyslexic individuals. Simply tap on any text to instantly view it against a background with enhanced visual contrast, reducing eye strain and improving focus. Plus, choose from regular, bold, or italic font styles to suit your preferences. Unlock a world of accessible online content and unlock your true reading potential with Dyslexia.abc.

Screenshots

Pythagorean Calculator3 screens
Dyslexia .abc4 screens

Verdict

The call

The clearest difference is review sentiment: Dyslexia .abc at 100% against Pythagorean Calculator's 33%. Dyslexia .abc also leads on iOS requirement (15.0 vs 26.2). Pythagorean Calculator's advantage is price ($0.99 vs $1.99). On update cadence, ads, in-app purchases and monetization model 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

Pythagorean Calculator costs $0.99 and Dyslexia .abc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pythagorean Calculator ships an update every 33 months, Dyslexia .abc every 31 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Pythagorean Calculator versus Dyslexia .abc: the parameters behind the verdict, then further details
ParameterPythagorean CalculatorDyslexia .abc
Price$0.99 — better$1.99
Rating3.5 (6 ratings) — better—
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings6 — better—
Update frequencyEvery 33 monthsEvery 31 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.215.0 — better
Further details — not scored
Size3 MB1 MB
Age rating4+4+
DeveloperJTMPierre Stanislas

Customer experience

Pythagorean Calculator

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Dyslexia .abc

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pythagorean Calculator

No in-app purchases

None

Dyslexia .abc

No in-app purchases

Questions

Is Pythagorean Calculator free?
Pythagorean Calculator costs $0.99, with no in-app purchases.
Is Dyslexia .abc free?
Dyslexia .abc costs $1.99, with no in-app purchases.
Do Pythagorean Calculator or Dyslexia .abc have ads?
Neither Pythagorean Calculator nor Dyslexia .abc shows ads.
Which is updated more often, Pythagorean Calculator or Dyslexia .abc?
Pythagorean Calculator ships an update every 33 months, and Dyslexia .abc every 31 months. Most recently, Pythagorean Calculator was updated on November 6, 2026 and Dyslexia .abc on November 3, 2026.

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