Comparison

Pythagoras HD vs Hexaflexagons

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

Head to head
About

Pythagoras HD

Explore the Pythagorean Theorem through interactive puzzles and visual proofs. This educational app offers a unique, formula-free approach to understanding geometry. It's designed to make learning engaging and accessible.

Highlights
  • Visual proofs of Pythagorean Theorem
  • Interactive geometric puzzles
  • Formula-free learning
  • Engaging educational experience
  • iPad compatibility
Features
Read full description

A fascinating, beautiful and educating puzzle! Moreover, all this is a proof of the celebrated Pythagorean Theorem. Wait.. Several proofs! Now you can easily prove it without formulas!

About

Hexaflexagons

Design and create unique paper puzzles with hidden sides. Personalize them with your own designs or use templates for secret messages, photo gifts, or custom cards.

Highlights
  • Design custom hexaflexagons
  • Use pre-made designs
  • Create secret messages
  • Make photo gifts
  • Design birthday cards
  • Printable designs
Features
Read full description

Hexaflexagons are the ultimate paper puzzle, and this app helps you design and make them. What is a hexaflexagon, you ask? It's a paper puzzle that has a front side, a back side, plus hidden sides. It's fun to give them to your friends to see if they can find the hidden sides. Hexaflexagons are great for sending secret messages. Or as photo gifts. Or birthday cards. You can customize your own hexaflexagon or start from one of our designs. Please note that after a limited trial, a $3.99 unlimited use upgrade is required in order to have the app send you designs that you can print and fold at home.

Screenshots

Hexaflexagons4 screens

Verdict

The call

The clearest difference is review sentiment: Hexaflexagons at 98% against Pythagoras HD's 43%. Hexaflexagons also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). Pythagoras HD's advantage is in-app purchases (none vs 2). On ads and iOS requirement 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

Hexaflexagons is free to download; Pythagoras HD costs $0.99 up front. Hexaflexagons sells 2 one-off in-app purchases. Pythagoras HD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hexaflexagons holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Hexaflexagons has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Pythagoras HD's written reviews are positive against 98% of Hexaflexagons's.

UpkeepUpdate frequency

Pythagoras HD ships an update every 24 months, Hexaflexagons monthly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

Scorecard8 real differences · 2 level
Pythagoras HD versus Hexaflexagons: the parameters behind the verdict, then further details
ParameterPythagoras HDHexaflexagons
Price$0.99Free — better
Rating1.0 (1 ratings)5.0 (27 ratings) — better
Positive reviews42.9% of reviews97.7% of reviews — better
Number of ratings127 — better
Update frequencyEvery 24 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size10 MB38 MB
Age rating4+4+
DeveloperRoman KoksharovVUXO I, CORP.

Customer experience

Pythagoras HD

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews14 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

Hexaflexagons

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews44 reviews
Positive97.7%
Neutral0.0%
Negative2.3%

In-app purchases

None

Pythagoras HD

No in-app purchases

2 purchases

Hexaflexagons

One-time2
  • Make unlimited hexaflexagons$3.99
  • Make unlimited hexaflexagons$4.99

Questions

Is Pythagoras HD free?
Pythagoras HD costs $0.99, with no in-app purchases.
Is Hexaflexagons free?
Hexaflexagons is free to download, with in-app purchases available.
Which has better reviews, Pythagoras HD or Hexaflexagons?
Hexaflexagons is rated higher. Pythagoras HD averages 1.0 out of 5 from 1 ratings, while Hexaflexagons averages 5.0 from 27 ratings.
Do Pythagoras HD or Hexaflexagons have ads?
Neither Pythagoras HD nor Hexaflexagons shows ads.
Which is updated more often, Pythagoras HD or Hexaflexagons?
Pythagoras HD ships an update every 24 months, and Hexaflexagons monthly. Most recently, Pythagoras HD was updated on October 11, 2026 and Hexaflexagons on October 18, 2026.

Other comparisons