# G2Call+ vs KLEIN

The clearest difference is update cadence: KLEIN at every 2 weeks against G2Call+'s every 4 months. G2Call+'s advantage is iOS requirement (13.0 vs 15.0). 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.

G2Call+ ships an update every 4 months, KLEIN every 2 weeks. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | G2Call+ | KLEIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/g2call-plus/id1538905289/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 75 MB | 28 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Golmar Sistemas de Comunicacion, SA](https://appshunter.io/developer/1333092728) | [Regular Solids SL](https://appshunter.io/developer/1802952617) |

## What reviewers say

### G2Call+

[App page](https://appshunter.io/ios/app/g2call-plus/id1538905289)

Stay connected to your home or property with this video intercom system app. Receive calls from your door station on your smartphone or tablet, control multiple sites, and manage visitor access remotely. Integrate with Golmar CCTV and Wi-Fi cameras for enhanced security.

**Highlights:** Receive door station calls on smartphones/tablets, Control multiple sites, Allow visitor entrance, Monitor Golmar CCTV and Wi-Fi cameras, Compatible with G2+ and G+ technologies

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

**In-app purchases:** none


### KLEIN

[App page](https://appshunter.io/ios/app/klein/id6808711713)

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

**In-app purchases:** none


## Frequently asked questions

### Is G2Call+ free?

G2Call+ is free to download, with no in-app purchases.

### Is KLEIN free?

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

### Do G2Call+ or KLEIN have ads?

Neither G2Call+ nor KLEIN shows ads.

### Which is updated more often, G2Call+ or KLEIN?

G2Call+ ships an update every 4 months, and KLEIN every 2 weeks. Most recently, G2Call+ was updated on October 20, 2026 and KLEIN on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*