Comparison

CMW App vs PortSIP ONE

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

Head to head
About

CMW App

Read full description

The iPhone SIP Client is the latest offering by CallMyWay that makes entry into the iPhone apps stores. This newly developed iPhone VoIP Mobile Dialer enables any iPhone based mobile phone to make VoIP call by using the internet connection. It is especially developed with keeping the requirements of VoIP service providers in mind that’s why iPhone SIP Client can easily integrate itself with any of the SIP servers. Give your iPhone mobile the power of VoIP calling with iPhone SIP Client.

About

PortSIP ONE

Features
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PortSIP One is a client specifically designed for PortSIP PBX V22 or later versions, exclusively for iPhone. It leverages Wi-Fi or 4G/LTE connections, enabling users to make and receive calls as well as send instant messages. It supports push notifications, allowing users to receive calls and messages even if the app is force-closed. By accessing the iPhone's contact list, PortSIP One offers a user-friendly interface for efficient communication management. It supports multiple calls, enabling users to switch between calls, merge and split calls, and perform attended and unattended transfers. Additionally, it supports video conferencing with MCU (Multipoint Control Unit) support. PortSIP One prioritizes security and incorporates advanced settings for secure call signaling and audio encryption. The application supports high-definition video calls up to 1080P using H.264 and VP8 codecs, ensuring high-quality audio calls. Supported codecs include G.279, G.711a/u, Opus, AMR, AMR-WB, G.722.1, iLBC, GSM, and SPEEX-WB. PortSIP One supports group chats and allows the sending of voice, video, images, files, and more.

Screenshots

CMW App4 screens
PortSIP ONE4 screens

Verdict

The call

The clearest difference is update cadence: PortSIP ONE at fortnightly against CMW App's every 5 weeks. CMW App's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

CMW App ships an update every 5 weeks, PortSIP ONE fortnightly. The most recent releases landed on October 4, 2026 and October 23, 2026 respectively.

Scorecard2 real differences Β· 4 level
CMW App versus PortSIP ONE: the parameters behind the verdict, then further details
ParameterCMW AppPortSIP ONE
PriceFreeFree
Update frequencyEvery 5 weeksFortnightly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size84 MB147 MB
Age rating4+4+
DeveloperCALLMYWAY NY S.A.PortSIP Solutions, Inc.

In-app purchases

None

CMW App

No in-app purchases

None

PortSIP ONE

No in-app purchases

Questions

Is CMW App free?
CMW App is free to download, with no in-app purchases.
Is PortSIP ONE free?
PortSIP ONE is free to download, with no in-app purchases.
Do CMW App or PortSIP ONE have ads?
Neither CMW App nor PortSIP ONE shows ads.
Which is updated more often, CMW App or PortSIP ONE?
CMW App ships an update every 5 weeks, and PortSIP ONE fortnightly. Most recently, CMW App was updated on October 4, 2026 and PortSIP ONE on October 23, 2026.

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