# Duplicate QR vs EnergyStoragePro

The clearest difference is in-app purchases: EnergyStoragePro at none against Duplicate QR's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Duplicate QR sells 2 in-app purchases, starting at $19.49 per 7 days. EnergyStoragePro asks for nothing beyond the download.

## The numbers

| Metric | Duplicate QR | EnergyStoragePro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 6 MB | 51 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MEDIASOFT DEVELOPMENT](https://appshunter.io/developer/1586138062) | [英飞特电子(杭州)股份有限公司](https://appshunter.io/developer/1710891505) |

## What reviewers say

### Duplicate QR

[App page](https://appshunter.io/ios/app/duplicate-qr-code/id1586138060)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $19.49 | per 7 days |
| 1 month subscription | $48.99 | per month |


### EnergyStoragePro

[App page](https://appshunter.io/ios/app/energystoragepro/id6478477883)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duplicate QR free?

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

### Is EnergyStoragePro free?

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

### Do Duplicate QR or EnergyStoragePro have ads?

Neither Duplicate QR nor EnergyStoragePro 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.*