# equivalence principle vs QuantumNative

The clearest difference is in-app purchases: equivalence principle at none against QuantumNative's 5. equivalence principle also leads on iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. QuantumNative sells 5 in-app purchases, starting at $14.99 per month. equivalence principle asks for nothing beyond the download.

## The numbers

| Metric | equivalence principle | QuantumNative |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 0 MB | 46 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [EUNMIN PARK](https://appshunter.io/developer/1549813078) |

## What reviewers say

### equivalence principle

[App page](https://appshunter.io/ios/app/equivalence-principle/id6670335382)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuantumNative

[App page](https://appshunter.io/ios/app/quantumnative/id6757658709)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $99.99 | per year |
| Streak Repair | $0.99 | one-time |
| AI Credits (50) | $2.99 | one-time |
| QPU Credits (10) | $4.99 | one-time |


## Frequently asked questions

### Is equivalence principle free?

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

### Is QuantumNative free?

QuantumNative is free to download, with in-app purchases available.

### Do equivalence principle or QuantumNative have ads?

Neither equivalence principle nor QuantumNative 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.*