# Opak Erp vs B4B Store Optic

The clearest difference is device support: Opak Erp at 3 against B4B Store Optic's —. Opak Erp also leads on iOS requirement (12.0 vs 17.5). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Opak Erp | B4B Store Optic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 45 MB | 0 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Webformans](https://appshunter.io/developer/1490078390) | [Esproit](https://appshunter.io/developer/1110134338) |

## What reviewers say

### Opak Erp

[App page](https://appshunter.io/ios/app/opak-erp/id6473782802)

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

**In-app purchases:** none


### B4B Store Optic

[App page](https://appshunter.io/ios/app/b4b-store-optic/id6514305131)

**In-app purchases:** none


## Frequently asked questions

### Is Opak Erp free?

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

### Is B4B Store Optic free?

B4B Store Optic is free to download, with no in-app purchases.

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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.*