# Shock Math Calculator vs quBit in 2D

The clearest difference is in-app purchases: Shock Math Calculator at none against quBit in 2D's 3. Shock Math Calculator also leads on update cadence (every 3 weeks vs every 11 months). quBit in 2D's advantage is iOS requirement (15.0 vs 17.0). 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. Shock Math Calculator asks for nothing beyond the download.

Shock Math Calculator ships an update every 3 weeks, quBit in 2D every 11 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Shock Math Calculator | quBit in 2D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Size | 5 MB | 0 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Manley](https://appshunter.io/developer/1650623300) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Shock Math Calculator

[App page](https://appshunter.io/ios/app/shock-math-calculator/id6443923018)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**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 Shock Math Calculator free?

Shock Math Calculator 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 Shock Math Calculator or quBit in 2D have ads?

Neither Shock Math Calculator nor quBit in 2D shows ads.

### Which is updated more often, Shock Math Calculator or quBit in 2D?

Shock Math Calculator ships an update every 3 weeks, and quBit in 2D every 11 months. Most recently, Shock Math Calculator was updated on October 5, 2026 and quBit in 2D on October 10, 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.*