# S3 vs NERO Опт

The clearest difference is device support: S3 at 2 against NERO Опт's —. NERO Опт's advantage is iOS requirement (13.0 vs 15.5). 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 | S3 | NERO Опт |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 24 MB | 19 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [ORION LLC](https://appshunter.io/developer/1779073185) | [Arisweb.ru](https://appshunter.io/developer/1530673012) |

## What reviewers say

### S3

[App page](https://appshunter.io/ios/app/s3/id1604373707)

This app provides a mobile client portal and a comprehensive catalog for electrical and lighting products. It allows businesses to browse over 10,000 items, check availability and prices, track orders, and access marketing materials.

**Highlights:** Full product catalog access, Search by name, article, or barcode, Check stock availability and prices, Track order status, Access marketing materials, View company news and promotions

**Features:** macOS Compatibility

**In-app purchases:** none


### NERO Опт

[App page](https://appshunter.io/ios/app/nero/id6472780014)

**In-app purchases:** none


## Frequently asked questions

### Is S3 free?

S3 is free to download, with no in-app purchases.

### Is NERO Опт free?

NERO Опт 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.*