Comparison

Pythagoras vs Math Decoder

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

Head to head
About

Pythagoras

Explore the Pythagorean Theorem through engaging puzzles without complex formulas. This educational app offers a beautiful and fascinating way to understand geometric principles.

Highlights
  • Visual proof of Pythagorean Theorem
  • Formula-free learning
  • Educational puzzle gameplay
  • Beautiful design
  • Engaging and fascinating
Features
Read full description

A fascinating, beautiful and educating puzzle! Moreover, all this is a proof of the celebrated Pythagorean Theorem without any formulas!

About

Math Decoder

Features
Read full description

Math Decoder challenges students to solve math problems presented as codes. Find the answer to addition, subtraction, multiplication and division problems by studying the symbols and decoding the numbers. Completing the activities involves using mental math skills. Math Decoder is designed to be a quick math exercise that teachers can use to provide practice in problem solving. Earn a trophy by answering 20 problems. Special sound effects make the game fun to use and the interactive design facilitate problem solving strategies.

Screenshots

Pythagoras2 screens

Verdict

The call

The clearest difference is price: Pythagoras at Free against Math Decoder's $0.99. Pythagoras also leads on update cadence (every 6 months vs every 36 months) and iOS requirement (8.0 vs 12.0). On ads, in-app purchases and device support 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

Pythagoras is free to download; Math Decoder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pythagoras ships an update every 6 months, Math Decoder every 36 months. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Pythagoras versus Math Decoder: the parameters behind the verdict, then further details
ParameterPythagorasMath Decoder
PriceFree — better$0.99
Rating2.0 (1 ratings) — better—
Positive reviews35.2% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 months — betterEvery 36 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPad
Requires iOS8.0 — better12.0
Further details — not scored
Size8 MB28 MB
Age rating4+4+
DeveloperRoman KoksharovVentura Educational Systems

In-app purchases

None

Pythagoras

No in-app purchases

None

Math Decoder

No in-app purchases

Questions

Is Pythagoras free?
Pythagoras is free to download, with no in-app purchases.
Is Math Decoder free?
Math Decoder costs $0.99, with no in-app purchases.
Do Pythagoras or Math Decoder have ads?
Neither Pythagoras nor Math Decoder shows ads.
Which is updated more often, Pythagoras or Math Decoder?
Pythagoras ships an update every 6 months, and Math Decoder every 36 months. Most recently, Pythagoras was updated on September 25, 2026 and Math Decoder on September 20, 2026.

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