# Tri vs CEOSim

The clearest difference is in-app purchases: CEOSim at none against Tri's 1. CEOSim also leads on ads (none vs shown). Tri's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

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

Tri ships an update every 2 months, CEOSim every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Tri | CEOSim |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 60 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alejandro Apodaca](https://appshunter.io/developer/1524127326) | [Sociedad Nueva Gestion Chile SpA](https://appshunter.io/developer/1524891299) |

## 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 |


### CEOSim

[App page](https://appshunter.io/ios/app/ceosim/id6738446171)

**In-app purchases:** none


## Frequently asked questions

### Is Tri free?

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

### Is CEOSim free?

CEOSim is free to download, with no in-app purchases.

### Do Tri or CEOSim have ads?

Tri shows ads; CEOSim does not.

### Which is updated more often, Tri or CEOSim?

Tri ships an update every 2 months, and CEOSim every 5 months. Most recently, Tri was updated on October 24, 2026 and CEOSim on October 24, 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.*