# Graph³ vs Brainiac

The clearest difference is price: Brainiac at Free against Graph³'s $0.99. Graph³'s advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On in-app purchases there is nothing between them.

Brainiac is free to download; Graph³ costs $0.99 up front. Graph³ sells 1 one-off in-app purchase and Brainiac sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Graph³ ships an update every 3 weeks, Brainiac every 4 months. The most recent releases landed on September 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Graph³ | Brainiac |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Paid | **Ad-supported** |
| Size | 10 MB | 8 MB |
| Requires iOS | **9.0** | 17.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Norbert Grieger](https://appshunter.io/developer/1437060665) | [Claid GmbH](https://appshunter.io/developer/1726769208) |

## What reviewers say

### Graph³

[App page](https://appshunter.io/ios/app/graph/id1437807952)

Visualize mathematical functions in 2D and 3D with over 24 built-in functions. Automatically detect special points, customize settings for each function, and save your work. Ideal for students and math enthusiasts.

**Highlights:** 2D and 3D function display, Over 24 mathematical functions, Automatic detection of special points, Customizable function settings, Save and load scenes, Value table for function analysis

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Graph | $0.99 | one-time |


### Brainiac

[App page](https://appshunter.io/ios/app/brainiac/id6476448271)

This AI-powered assistant simplifies homework by helping users understand complex texts and solve problems quickly. Simply scan assignments or upload documents to receive instant solutions and effortless learning.

**Highlights:** AI-powered homework assistance, Understand long texts, Solve problems instantly, Scan assignments, Upload PDF documents, Effortless learning

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free trial | Free | one-time |
| 10 tasks | $0.99 | one-time |
| 25 tasks | $1.99 | one-time |
| 50 tasks | $2.99 | one-time |
| 100 tasks | $4.99 | one-time |


## Frequently asked questions

### Is Graph³ free?

Graph³ costs $0.99, and also offers in-app purchases.

### Is Brainiac free?

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

### Do Graph³ or Brainiac have ads?

Brainiac shows ads; Graph³ does not.

### Which is updated more often, Graph³ or Brainiac?

Graph³ ships an update every 3 weeks, and Brainiac every 4 months. Most recently, Graph³ was updated on September 3, 2026 and Brainiac on September 9, 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.*