# Central Office vs Resizify

The clearest difference is iOS requirement: Central Office at 13.0 against Resizify's 16.4. 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 | Central Office | Resizify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/central-office/id1019596669/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 208 MB | 1 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XChange Telecom Corp](https://appshunter.io/developer/976296434) | [Batuhan Kucukyildiz](https://appshunter.io/developer/1707428497) |

## What reviewers say

### Central Office

[App page](https://appshunter.io/ios/app/central-office/id1019596669)

This app provides a unified communications solution for business professionals, integrating voice, chat, and enterprise features. Stay connected globally with a business presence, offering features like individual DIDs, visual voicemail, and HD video calls.

**Highlights:** Unified voice and chat communication, Individual DIDs with free FAX, Visual voicemail, HD video calls, Automated attendants, Global connectivity, Scalable hosted PBX system

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Resizify

[App page](https://appshunter.io/ios/app/resizify/id6471225847)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Central Office free?

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

### Is Resizify free?

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

### Do Central Office or Resizify have ads?

Neither Central Office nor Resizify 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.*