# quBit in 2D vs Quantum Bob

The clearest difference is in-app purchases: Quantum Bob at none against quBit in 2D's 3. Quantum Bob also leads on update cadence (every 2 days vs every 11 months). quBit in 2D's advantage is iOS requirement (15.0 vs 26.2). On price, ads and device support there is nothing between them.

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

quBit in 2D ships an update every 11 months, Quantum Bob every 2 days. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | quBit in 2D | Quantum Bob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/quantum-bob/id6759178420/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 0 MB | 13 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [SquatchCraft LLC](https://appshunter.io/developer/1440325922) |

## What reviewers say

### 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 |


### Quantum Bob

[App page](https://appshunter.io/ios/app/quantum-bob/id6759178420)

Engage with real quantum physics experiments by predicting measurement outcomes from actual quantum computer data. Compete against an AI leveraging quantum entanglement and discover the quantum advantage through interactive gameplay and lessons.

**Highlights:** Real quantum measurement data, Compete against quantum AI, Local multiplayer, Interactive lessons, Progress tracking, Statistical proof tests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is quBit in 2D free?

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

### Is Quantum Bob free?

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

### Do quBit in 2D or Quantum Bob have ads?

Neither quBit in 2D nor Quantum Bob shows ads.

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

quBit in 2D ships an update every 11 months, and Quantum Bob every 2 days. Most recently, quBit in 2D was updated on October 27, 2026 and Quantum Bob on October 21, 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.*