Comparison

Proclaim VoIP vs ITSVOIP Express

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

Head to head
About

Proclaim VoIP

This app extends VoIP capabilities to mobile devices, allowing users to maintain a consistent identity across calls from any location. It offers seamless call transfer between devices and centralizes contact, voicemail, and call history management.

Highlights
  • Unified Communications solution
  • Maintain same identity across devices
  • Seamless call transfer
  • Contact management
  • Voicemail and call history
  • Answering rules and presence management
Features
Read full description

Proclaim VoIP is a SIP softclient that extends VoIP functionality beyond the land line or desk top. It brings features of the Proclaim VoIP platform directly to end-user's mobile devices as a Unified Communications solution. With Proclaim VoIP, users are able to maintain the same identity when making or receiving calls from any location, regardless of their device. They are also able seamlessly send an ongoing call from one device to another and continue that call without interruption. Proclaim VoIP grants users the ability to manage contacts, voicemail, call history and configurations in a single location. This includes the management of answering rules. greetings, and presence which all contribute to more efficient communication. ***NOTICE: You must have a an existing account with a supported service provider in order for Proclaim VoIP to work***

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

Proclaim VoIP4 screens
ITSVOIP Express4 screens

Verdict

The call

The clearest difference is update cadence: Proclaim VoIP at every 2 months against ITSVOIP Express's every 5 months. ITSVOIP Express's advantage is 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.

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

Proclaim VoIP ships an update every 2 months, ITSVOIP Express every 5 months. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 6 level
Proclaim VoIP versus ITSVOIP Express: the parameters behind the verdict, then further details
ParameterProclaim VoIPITSVOIP Express
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.6 — better
Further details — not scored
Size121 MB72 MB
Age rating4+4+
DeveloperProclaim Voip LLCInfinity Tech Services, LLC

In-app purchases

None

Proclaim VoIP

No in-app purchases

None

ITSVOIP Express

No in-app purchases

Questions

Is Proclaim VoIP free?
Proclaim VoIP 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 Proclaim VoIP or ITSVOIP Express have ads?
Neither Proclaim VoIP nor ITSVOIP Express shows ads.
Which is updated more often, Proclaim VoIP or ITSVOIP Express?
Proclaim VoIP ships an update every 2 months, and ITSVOIP Express every 5 months. Most recently, Proclaim VoIP was updated on October 30, 2026 and ITSVOIP Express on November 9, 2026.

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