# Federgraph vs quBit in 2D

The clearest difference is in-app purchases: Federgraph at none against quBit in 2D's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. quBit in 2D sells 3 one-off in-app purchases. Federgraph asks for nothing beyond the download.

Federgraph ships an update every 15 months, quBit in 2D every 11 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Federgraph | quBit in 2D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 11 months** |
| Size | 29 MB | 0 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Schubert](https://appshunter.io/developer/670940970) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Federgraph

[App page](https://appshunter.io/ios/app/federgraph/id670940947)

**In-app purchases:** none


### quBit in 2D

[App page](https://appshunter.io/ios/app/qubit-in-2d/id6450132499)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| latte | $4.99 | one-time |
| whopper set | $9.99 | one-time |


## Frequently asked questions

### Is Federgraph free?

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

### Is quBit in 2D free?

quBit in 2D is free to download, with in-app purchases available.

### Do Federgraph or quBit in 2D have ads?

Neither Federgraph nor quBit in 2D shows ads.

### Which is updated more often, Federgraph or quBit in 2D?

Federgraph ships an update every 15 months, and quBit in 2D every 11 months. Most recently, Federgraph was updated on September 9, 2026 and quBit in 2D on September 15, 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.*