# Genero Development Client vs effi

The clearest difference is update cadence: effi at every 2 months against Genero Development Client's every 4 months. Genero Development Client's advantage is iOS requirement (11.0 vs 13.0). 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.

Genero Development Client ships an update every 4 months, effi every 2 months. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Genero Development Client | effi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/genero-development-client/id764494567/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 30 MB | 14 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FourJs](https://appshunter.io/developer/925324220) | [Effi Inc.](https://appshunter.io/developer/899435456) |

## What reviewers say

### Genero Development Client

[App page](https://appshunter.io/ios/app/genero-development-client/id764494567)

This app lets developers preview mobile applications they are building. It connects to a development server to display native GUIs for offline or online business apps. User interactions are sent back to the desktop program for real-time updates.

**Highlights:** Preview Genero Mobile applications, Connect to development server, Display native GUI, Supports offline and online apps, Real-time interaction feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### effi

[App page](https://appshunter.io/ios/app/effi-app-for-qa-testers/id1439879470)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Genero Development Client free?

Genero Development Client is free to download, with no in-app purchases.

### Is effi free?

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

### Do Genero Development Client or effi have ads?

Neither Genero Development Client nor effi shows ads.

### Which is updated more often, Genero Development Client or effi?

Genero Development Client ships an update every 4 months, and effi every 2 months. Most recently, Genero Development Client was updated on September 24, 2026 and effi on October 2, 2026.

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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.*