# Maths Formulas Lite vs Tri

The clearest difference is in-app purchases: Maths Formulas Lite at none against Tri's 1. Maths Formulas Lite also leads on ads (none vs shown) and review sentiment (85% vs 67%). Tri's advantage is iOS requirement (12.0 vs 15.1). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Tri sells 1 one-off in-app purchase. Maths Formulas Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Maths Formulas Lite against 4.5 for Tri. That said, the two scores are not equally well evidenced: Maths Formulas Lite has 100 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 85% of Maths Formulas Lite's written reviews are positive against 67% of Tri's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Maths Formulas Lite | Tri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (100 ratings)](https://appshunter.io/ios/app/maths-formulas-lite/id645431389/reviews)** | [4.5 (17 ratings)](https://appshunter.io/ios/app/tri-go-math-your-math-helper/id1525513476/reviews) |
| Number of ratings | **100** | 17 |
| Positive reviews | **85.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 48 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC CO. PTY LTD](https://appshunter.io/developer/579522076) | [Alejandro Apodaca](https://appshunter.io/developer/1524127326) |

## What reviewers say

### Maths Formulas Lite

[App page](https://appshunter.io/ios/app/maths-formulas-lite/id645431389)

Access a comprehensive collection of basic and advanced mathematical formulas across various subjects like algebra, geometry, and calculus. This app offers tools for calculations, unit conversions, and allows users to save favorite formulas and add custom notes. It supports a wide range of languages and is suitable for students and professionals.

**Highlights:** Extensive formula library, Geometry shape calculators, Equation root finder, Unit conversion tools, Favorite formulas folder, Search function, Multi-language support

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Maths Formulas Lite free?

Maths Formulas Lite is free to download, with no in-app purchases.

### Is Tri free?

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

### Which has better reviews, Maths Formulas Lite or Tri?

Maths Formulas Lite is rated higher. Maths Formulas Lite averages 4.6 out of 5 from 100 ratings, while Tri averages 4.5 from 17 ratings.

### Do Maths Formulas Lite or Tri have ads?

Tri shows ads; Maths Formulas Lite does not.

### Which is updated more often, Maths Formulas Lite or Tri?

Maths Formulas Lite ships an update every 2 months, and Tri every 2 months. Most recently, Maths Formulas Lite was updated on September 22, 2026 and Tri 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.*