# Equation Pyramid vs QuantumOrb

The clearest difference is price: Equation Pyramid at Free against QuantumOrb's $0.99. QuantumOrb's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On ads and in-app purchases there is nothing between them.

Equation Pyramid is free to download; QuantumOrb costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Equation Pyramid | QuantumOrb |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rolando Parame](https://appshunter.io/developer/1849583723) | [Viktor Shcherban](https://appshunter.io/developer/1617545413) |

## What reviewers say

### Equation Pyramid

[App page](https://appshunter.io/ios/app/equation-pyramid/id6762513845)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### QuantumOrb

[App page](https://appshunter.io/ios/app/quantumorb/id6789332620)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Equation Pyramid free?

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

### Is QuantumOrb free?

QuantumOrb costs $0.99, with no in-app purchases.

### Do Equation Pyramid or QuantumOrb have ads?

Neither Equation Pyramid nor QuantumOrb shows ads.

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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.*