# Onebox vs Smart_calling_center

Onebox and Smart_calling_center are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Onebox ships an update every 3 weeks, Smart_calling_center every 2 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Onebox | Smart_calling_center |
| --- | --- | --- |
| 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 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 211 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [J2 Web Services, Inc.](https://appshunter.io/developer/1496258416) | [Go2market India Private Limited](https://appshunter.io/developer/1835885692) |

## What reviewers say

### Onebox

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

This business communication app offers VoIP calling, reliable notifications, and enhanced contact management for small businesses. It provides flexible call handling, detailed call logs, and core business phone system features, all within a refreshed user interface.

**Highlights:** VoIP calling within the app, Reliable push notifications, Shared Onebox contacts, Flexible call handling, Detailed call log information, Voicemail transcriptions, Send and receive text messages

**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


### Smart_calling_center

[App page](https://appshunter.io/ios/app/smart-calling-center/id6785857524)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onebox free?

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

### Is Smart_calling_center free?

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

### Do Onebox or Smart_calling_center have ads?

Neither Onebox nor Smart_calling_center shows ads.

### Which is updated more often, Onebox or Smart_calling_center?

Onebox ships an update every 3 weeks, and Smart_calling_center every 2 weeks. Most recently, Onebox was updated on November 6, 2026 and Smart_calling_center on October 31, 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.*