# İstweld B2B vs ALVENSİ

The clearest difference is iOS requirement: İstweld B2B at 12.0 against ALVENSİ's 15.1. On price, ads, in-app purchases and device support 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 | İstweld B2B | ALVENSİ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 70 MB | 29 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAT Yazilim](https://appshunter.io/developer/1137276538) | [AKINSOFT](https://appshunter.io/developer/562518135) |

## What reviewers say

### İstweld B2B

[App page](https://appshunter.io/ios/app/istweld-b2b/id1658755486)

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

**In-app purchases:** none


### ALVENSİ

[App page](https://appshunter.io/ios/app/alvensi/id6760760304)

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

**In-app purchases:** none


## Frequently asked questions

### Is İstweld B2B free?

İstweld B2B is free to download, with no in-app purchases.

### Is ALVENSİ free?

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

### Do İstweld B2B or ALVENSİ have ads?

Neither İstweld B2B nor ALVENSİ 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.*