# Tri vs Derivative Calculator App

The clearest difference is review sentiment: Tri at 67% against Derivative Calculator App's 0%. Derivative Calculator App's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Tri sells 1 one-off in-app purchase and Derivative Calculator App sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tri ships an update every 2 months, Derivative Calculator App every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Tri | Derivative Calculator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/tri-go-math-your-math-helper/id1525513476/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 35 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Apodaca](https://appshunter.io/developer/1524127326) | [talha rehman](https://appshunter.io/developer/1573036144) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-go-math-your-math-helper/id1525513476)

This app simplifies math homework with a suite of tools including area, basic, and trigonometry calculators. It offers offline access and equation solvers for first and second-degree equations, with more features planned.

**Highlights:** Offline Access, Area Calculator, Basic Calculator, Trigonometry Calculator, Unit Converter, Equation Solvers

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quitar anuncios | $1.99 | 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, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is Tri free?

Tri 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.

### Do Tri or Derivative Calculator App have ads?

Tri shows ads; Derivative Calculator App does not.

### Which is updated more often, Tri or Derivative Calculator App?

Tri ships an update every 2 months, and Derivative Calculator App every 2 weeks. Most recently, Tri was updated on November 3, 2026 and Derivative Calculator App on November 3, 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.*