# Hexaflexagons vs Derivative Calculator App

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.

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.

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.

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.

## The numbers

| Metric | Hexaflexagons | Derivative Calculator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (27 ratings)](https://appshunter.io/ios/app/hexaflexagons/id1503279832/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/derivative-calculator-app/id1624696394/reviews) |
| Number of ratings | **27** | 1 |
| Positive reviews | **97.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 35 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VUXO I, CORP.](https://appshunter.io/developer/1144164576) | [talha rehman](https://appshunter.io/developer/1573036144) |

## What reviewers say

### Hexaflexagons

[App page](https://appshunter.io/ios/app/hexaflexagons/id1503279832)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Make unlimited hexaflexagons | $3.99 | one-time |
| Make unlimited hexaflexagons | $4.99 | one-time |


### Derivative Calculator App

[App page](https://appshunter.io/ios/app/derivative-calculator-app/id1624696394)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gets Ads Free Version | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*