# Tri vs Integral Calculator app

The clearest difference is review sentiment: Tri at 67% against Integral Calculator app's 0%. Integral 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 Integral 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, Integral Calculator app fortnightly. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tri | Integral 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 | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 44 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 |


### Integral Calculator app

[App page](https://appshunter.io/ios/app/integral-calculator-app/id1624033320)

This application simplifies calculus by providing tools to solve various types of integrals. It offers step-by-step guidance, practice quizzes, and calculators for double integrals, triple integrals, and methods like shell and washer. It's designed to help users understand and solve complex calculus problems efficiently.

**Highlights:** Double integral calculator, Triple integral calculator, Shell method calculator, Washer method calculator, Practice quizzes, Step-by-step guidance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Integral Calc Premium User | $3.99 | one-time |


## Frequently asked questions

### Is Tri free?

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

### Is Integral Calculator app free?

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

### Do Tri or Integral Calculator app have ads?

Tri shows ads; Integral Calculator app does not.

### Which is updated more often, Tri or Integral Calculator app?

Tri ships an update every 2 months, and Integral Calculator app fortnightly. Most recently, Tri was updated on June 4, 2026 and Integral Calculator app on September 17, 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.*