# quBit in 2D vs Quantum LMS

The clearest difference is in-app purchases: Quantum LMS at none against quBit in 2D's 3. Quantum LMS also leads on update cadence (every 4 months vs every 11 months) and iOS requirement (12.0 vs 15.0). 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 LMS asks for nothing beyond the download.

quBit in 2D ships an update every 11 months, Quantum LMS every 4 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | quBit in 2D | Quantum LMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Size | 0 MB | 53 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [QUANTUM FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1486854639) |

## 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 LMS

[App page](https://appshunter.io/ios/app/quantum-lms/id6474442482)

**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 LMS free?

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

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

Neither quBit in 2D nor Quantum LMS shows ads.

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

quBit in 2D ships an update every 11 months, and Quantum LMS every 4 months. Most recently, quBit in 2D was updated on October 10, 2026 and Quantum LMS on October 7, 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.*