Comparison

Vertex vPBX vs ITSVOIP Express

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

Head to head

Business calls & SMS on mobile

Free

💼 Business

No ratingsView app →

About

Vertex vPBX

Read full description

vPBX is a flexible, reliable, and scalable next-generation cloud communication systems and VoIP solution tailored for small, medium & enterprise-sized businesses

About

ITSVOIP Express

Features

Read full description

ITSVOIP Connect brings the full power of Infinity Tech Services, LLC’s Unified Communications platform directly to end-users' mobile devices. Designed for flexibility and performance, this SIP softphone keeps you connected to your clients, team, and business—wherever you are.

Screenshots

Vertex vPBX4 screens

ITSVOIP Express4 screens

Verdict

The call

The clearest difference is update cadence: ITSVOIP Express at every 5 months against Vertex vPBX's every 23 months. ITSVOIP Express also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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

Vertex vPBX ships an update every 23 months, ITSVOIP Express every 5 months. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 4 level

Vertex vPBX versus ITSVOIP Express: the parameters behind the verdict, then further details
Parameter	Vertex vPBX	ITSVOIP Express
Price	Free	Free
Update frequency	Every 23 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod, Apple Watch — better
Requires iOS	15.6	15.6
Further details — not scored
Size	84 MB	72 MB
Age rating	4+	4+
Developer	Vertex In Healthcare	Infinity Tech Services, LLC

In-app purchases

None

Vertex vPBX

No in-app purchases

None

ITSVOIP Express

No in-app purchases

Questions

Is Vertex vPBX free?

Vertex vPBX 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 Vertex vPBX or ITSVOIP Express have ads?

Neither Vertex vPBX nor ITSVOIP Express shows ads.

Which is updated more often, Vertex vPBX or ITSVOIP Express?

Vertex vPBX ships an update every 23 months, and ITSVOIP Express every 5 months. Most recently, Vertex vPBX was updated on November 12, 2026 and ITSVOIP Express on November 9, 2026.