# Onebox vs GenSom DSM

The clearest difference is update cadence: Onebox at every 4 weeks against GenSom DSM's every 2 months. 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.

Onebox ships an update every 4 weeks, GenSom DSM every 2 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Onebox | GenSom DSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (46 ratings)](https://appshunter.io/ios/app/onebox-virtual-phone-system/id338908820/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 202 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [J2 Web Services, Inc.](https://appshunter.io/developer/1496258416) | [SHARAJMAN TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1796084748) |

## What reviewers say

### Onebox

[App page](https://appshunter.io/ios/app/onebox-virtual-phone-system/id338908820)

This app provides a virtual phone system for small businesses, enabling VoIP calling, reliable notifications, and smart call handling on mobile devices. It offers enhanced contact management and detailed call logs for better business communication.

**Highlights:** VoIP calling within the app, Reliable push notifications, Enhanced shared contact management, Flexible call routing and handling, Detailed call logs, Voicemail transcription and messaging, Custom greeting for incoming calls

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast performance
- 💡 Caller ID customization
- 💡 Call recording feature
- 💡 Faxing capability

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App freezes
- 🐛 Unreliable functionality
- 🐛 Poor call quality
- 🐛 Notification issues

**Reported bugs**

- Outgoing calls not working
- App freezes during calls
- Sound notification not working
- Texting not working or slow
- App doesn't ring phone

**Requested features**

- Email functionality
- Individual extension login
- Improved notification system
- Call transfer feature
- Dark mode


### GenSom DSM

[App page](https://appshunter.io/ios/app/gensom-dsm/id6743924497)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Onebox free?

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

### Is GenSom DSM free?

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

### Do Onebox or GenSom DSM have ads?

Neither Onebox nor GenSom DSM shows ads.

### Which is updated more often, Onebox or GenSom DSM?

Onebox ships an update every 4 weeks, and GenSom DSM every 2 months. Most recently, Onebox was updated on October 23, 2026 and GenSom DSM on October 12, 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.*