Comparison

Denwa vs ITS VoIP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 5.05 ratingsView app →

About

Denwa

Features

Read full description

Denwa Video is a SIP video-phone that allows you to make audio+video calls using any VoIP Provider. Fast and Simple.

About

ITS VoIP

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

Read full description

Make your ITS VoIP account mobile. Customers of ITS VoIP's cloud-based phone service may use this app to make and receive calls from their iOS device as if dialing from their ITS VoIP desk phone.

Screenshots

Denwa4 screens

ITS VoIP4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level

Denwa versus ITS VoIP: the parameters behind the verdict, then further details
Parameter	Denwa	ITS VoIP
Price	Free	Free
Rating	—	5.0 (5 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	5 — better
Update frequency	Every 6 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	9.0 — better	15.0
Further details — not scored
Size	29 MB	121 MB
Age rating	4+	4+
Developer	Denwa Technology Corp.	Integrated Telemanagement Services, Inc.

In-app purchases

None

Denwa

No in-app purchases

None

ITS VoIP

No in-app purchases

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.