# Tri vs Derivative Calculator Solver

The clearest difference is ads: Derivative Calculator Solver at none against Tri's shown. Tri's advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

Tri holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 17 and 12 respectively.

Tri ships an update every 2 months, Derivative Calculator Solver every 7 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Tri | Derivative Calculator Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/tri-go-math-your-math-helper/id1525513476/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522/reviews) |
| Number of ratings | **17** | 12 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 39 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Apodaca](https://appshunter.io/developer/1524127326) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## 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 Solver

[App page](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522)

This app calculates the derivative of mathematical functions, providing step-by-step solutions and geometrical interpretations. It supports complex functions and offers an advanced keyboard for various mathematical operations. Results can be downloaded as a PDF.

**Highlights:** Derivative calculation, Step-by-step solutions, Geometrical interpretation, Advanced keyboard, PDF download, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derivative Calculator Premium | $4.99 | one-time |


## Frequently asked questions

### Is Tri free?

Tri is free to download, with in-app purchases available.

### Is Derivative Calculator Solver free?

Derivative Calculator Solver is free to download, with in-app purchases available.

### Which has better reviews, Tri or Derivative Calculator Solver?

Tri is rated higher. Tri averages 4.5 out of 5 from 17 ratings, while Derivative Calculator Solver averages 4.3 from 12 ratings.

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

Tri shows ads; Derivative Calculator Solver does not.

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

Tri ships an update every 2 months, and Derivative Calculator Solver every 7 months. Most recently, Tri was updated on October 5, 2026 and Derivative Calculator Solver on October 11, 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.*