# iGraphmatica vs OnlyMath

The clearest difference is price: OnlyMath at Free against iGraphmatica's $3.99. iGraphmatica's advantage is device support (3 vs 1) and iOS requirement (5.1.1 vs 16.4). On update cadence, ads and in-app purchases there is nothing between them.

OnlyMath is free to download; iGraphmatica costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iGraphmatica ships an update monthly, OnlyMath every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iGraphmatica | OnlyMath |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/igraphmatica/id525600006/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | — |
| Size | 10 MB | 46 MB |
| Requires iOS | **5.1.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keith Hertzer](https://appshunter.io/developer/525600229) | [LAURENT IRRAWADDY CHAGNON](https://appshunter.io/developer/6796214095) |

## What reviewers say

### iGraphmatica

[App page](https://appshunter.io/ios/app/igraphmatica/id525600006)

This equation plotter allows users to graph various types of functions, relations, and equations. It offers features for data plotting, curve-fitting, and numerical solutions, making it a valuable tool for students and educators.

**Highlights:** Graph Cartesian, polar, parametric, and differential equations, Data plotting and curve-fitting, Up to 999 graphs on screen, Numerical solutions for tangents and integrals, Find critical points and intersections, Export graphs to various formats

**Features:** Vision Pro support

**In-app purchases:** none


### OnlyMath

[App page](https://appshunter.io/ios/app/onlymath-mental-math/id6796214093)

**In-app purchases:** none


## Frequently asked questions

### Is iGraphmatica free?

iGraphmatica costs $3.99, with no in-app purchases.

### Is OnlyMath free?

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

### Do iGraphmatica or OnlyMath have ads?

Neither iGraphmatica nor OnlyMath shows ads.

### Which is updated more often, iGraphmatica or OnlyMath?

iGraphmatica ships an update monthly, and OnlyMath every 2 months. Most recently, iGraphmatica was updated on October 23, 2026 and OnlyMath 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.*