# Denwa vs ITS VoIP

The clearest difference is update cadence: ITS VoIP at every 2 months against Denwa's every 6 months. Denwa's advantage is iOS requirement (9.0 vs 15.0). 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.

Denwa ships an update every 6 months, ITS VoIP every 2 months. The most recent releases landed on October 3, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Denwa | ITS VoIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/its-voip/id1634043225/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 29 MB | 121 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Denwa Technology Corp.](https://appshunter.io/developer/487632519) | [Integrated Telemanagement Services, Inc.](https://appshunter.io/developer/639536635) |

## What reviewers say

### Denwa

[App page](https://appshunter.io/ios/app/denwa/id763735975)

**Features:** macOS Compatibility

**In-app purchases:** none


### ITS VoIP

[App page](https://appshunter.io/ios/app/its-voip/id1634043225)

This mobile app allows users of a cloud-based phone service to make and receive calls from their iOS device. It functions as if dialing from a desk phone, extending the service to a mobile platform.

**Highlights:** Make and receive calls on iOS devices, Utilize cloud-based phone service, Mimics desk phone functionality, Mobile VoIP solution

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Denwa free?

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

### Is ITS VoIP free?

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

### Do Denwa or ITS VoIP have ads?

Neither Denwa nor ITS VoIP shows ads.

### Which is updated more often, Denwa or ITS VoIP?

Denwa ships an update every 6 months, and ITS VoIP every 2 months. Most recently, Denwa was updated on October 3, 2026 and ITS VoIP on October 23, 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.*