Comparison

Hexaflexagons vs Derivative Calculator App

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

Head to head
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.

About

Derivative Calculator App

Easily solve derivatives of any function with step-by-step solutions. Practice calculus concepts with quizzes and use the solver offline. Improve your understanding and exam preparation.

Highlights
  • Derivative calculation for any function
  • Step-by-step solution explanations
  • Offline functionality
  • Practice quizzes for skill improvement
  • Accurate derivative solver
Features
Read full description

Solve derivatives of any function with ease using our Derivative calculator solver. Our user-friendly interface and step-by-step solution process make it easy to solve even the most complex derivatives. Our app features offline functionality, so you can use it anytime, anywhere. Practice your skills with our quizzes and improve your understanding of calculus concepts. Key Features: Derivative Calculator: Solve derivatives of any function using our advanced Derivative Calculator. Step-by-Step Solutions: Our app provides a step-by-step solution process to help you understand how to solve derivatives. Practice Quizzes: Our app includes a variety of practice quizzes to help you sharpen your skills and prepare for exams. Offline Functionality: Use our Derivative calculator with solution without an internet connection. Derivative Solver: Our Derivative calculator step by step is a powerful solver that provides accurate results for all kinds of functions. Derivative Calculator with Steps: Our app shows all the steps taken to reach the final solution. Derivative Practice: Practice and improve your skills with a variety of quizzes available in our app. Derivative Solution: Our app provides accurate solutions to all kinds of derivative problems. Derivative Calculator Offline: Use our app without an internet connection. Derivative Calculator App: Download our app now and start solving derivatives with ease! How to Use: • Input your function in the Derivative Calculator. • Choose your differentiation variable. • Click "Solve" to get the derivative solution. • Follow the step-by-step process to understand how the derivative was solved. Benefits: • Save time and effort in manual calculations. • Improve your understanding and retention of calculus concepts. • Prepare for calculus exams and assignments. • Access offline functionality for convenience and flexibility. • Solve derivatives with accurate results and a step-by-step solution process. • Practice your skills and improve your performance with a variety of quizzes. • Download our Derivative Calculator app now and start solving derivatives with ease!

Screenshots

Hexaflexagons4 screens
Derivative Calculator App3 screens

Verdict

The call

Hexaflexagons and Derivative Calculator App both sit at 5.0 stars, but that hides the real split: 98% of Hexaflexagons's written reviews are positive against 0% of Derivative Calculator App's. Hexaflexagons also leads on ratings volume (27 vs 1). Derivative Calculator App's advantage is monetization model (free vs free with in-app purchases). On price, rating, update cadence and ads 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. Hexaflexagons sells 2 one-off in-app purchases and Derivative Calculator App sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Hexaflexagons against 5.0 for Derivative Calculator App. 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 are what separate them: 98% of Hexaflexagons's written reviews are positive against 0% of Derivative Calculator App's.

UpkeepUpdate frequency

Hexaflexagons ships an update monthly, Derivative Calculator App every 2 weeks. The most recent releases landed on June 8, 2026 and June 4, 2026 respectively.

Scorecard3 real differences · 7 level
Hexaflexagons versus Derivative Calculator App: the parameters behind the verdict, then further details
ParameterHexaflexagonsDerivative Calculator App
PriceFreeFree
Rating5.0 (27 ratings)5.0 (1 ratings)
Positive reviews97.7% of reviews — better0.0% of reviews
Number of ratings27 — better1
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size38 MB35 MB
Age rating4+4+
DeveloperVUXO I, CORP.talha rehman

Customer experience

Hexaflexagons

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

Derivative Calculator App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Hexaflexagons

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

Derivative Calculator App

One-time1
  • Gets Ads Free Version$2.99

Questions

Is Hexaflexagons free?
Hexaflexagons is free to download, with in-app purchases available.
Is Derivative Calculator App free?
Derivative Calculator App is free to download, with in-app purchases available.
Which has better reviews, Hexaflexagons or Derivative Calculator App?
Hexaflexagons and Derivative Calculator App are both rated 5.0 out of 5 on the App Store, from 27 and 1 ratings respectively.
Do Hexaflexagons or Derivative Calculator App have ads?
Neither Hexaflexagons nor Derivative Calculator App shows ads.
Which is updated more often, Hexaflexagons or Derivative Calculator App?
Hexaflexagons ships an update monthly, and Derivative Calculator App every 2 weeks. Most recently, Hexaflexagons was updated on June 8, 2026 and Derivative Calculator App on June 4, 2026.

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