# AcuityVOIP vs ITSVOIP Express

The clearest difference is update cadence: ITSVOIP Express at every 5 months against AcuityVOIP's every 22 months. ITSVOIP Express also leads on device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

AcuityVOIP ships an update every 22 months, ITSVOIP Express every 5 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AcuityVOIP | ITSVOIP Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acuityvoip/id1526899714/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 123 MB | 72 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Telephony Partners LLC](https://appshunter.io/developer/1526900016) | [Infinity Tech Services, LLC](https://appshunter.io/developer/1852230771) |

## What reviewers say

### AcuityVOIP

[App page](https://appshunter.io/ios/app/acuityvoip/id1526899714)

Stay connected to your business phone system from anywhere. This app allows you to access your corporate extension on your mobile device, ensuring you never miss an important call or communication while on the go.

**Highlights:** Access corporate extension, On-the-go connectivity, Mobile business communication, VoIP functionality

**Features:** Siri integration

**In-app purchases:** none


### ITSVOIP Express

[App page](https://appshunter.io/ios/app/itsvoip-express/id6755146288)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AcuityVOIP free?

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

### Is ITSVOIP Express free?

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

### Do AcuityVOIP or ITSVOIP Express have ads?

Neither AcuityVOIP nor ITSVOIP Express shows ads.

### Which is updated more often, AcuityVOIP or ITSVOIP Express?

AcuityVOIP ships an update every 22 months, and ITSVOIP Express every 5 months. Most recently, AcuityVOIP was updated on October 24, 2026 and ITSVOIP Express on October 28, 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.*