# Math Function Viewer vs Graphos

The clearest difference is in-app purchases: Math Function Viewer at none against Graphos's 1. Math Function Viewer also leads on update cadence (every 6 months vs every 18 months) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Graphos sells 1 one-off in-app purchase. Math Function Viewer asks for nothing beyond the download.

Math Function Viewer ships an update every 6 months, Graphos every 18 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Math Function Viewer | Graphos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 18 months |
| Size | 4 MB | 5 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guido Bernuetz](https://appshunter.io/developer/954809590) | [Bodnar Marin](https://appshunter.io/developer/1344307163) |

## What reviewers say

### Math Function Viewer

[App page](https://appshunter.io/ios/app/math-function-viewer/id954809591)

**Features:** macOS Compatibility

**In-app purchases:** none


### Graphos

[App page](https://appshunter.io/ios/app/graphos/id1477970952)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Graphos full version | $9.99 | one-time |


## Frequently asked questions

### Is Math Function Viewer free?

Math Function Viewer is free to download, with no in-app purchases.

### Is Graphos free?

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

### Do Math Function Viewer or Graphos have ads?

Neither Math Function Viewer nor Graphos shows ads.

### Which is updated more often, Math Function Viewer or Graphos?

Math Function Viewer ships an update every 6 months, and Graphos every 18 months. Most recently, Math Function Viewer was updated on September 14, 2026 and Graphos on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*