Comparison

VOM vs DtWeIm

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

Head to head
About

VOM

Features
Read full description

VOM for iPhone VOM for iPhone is the newest SIP softphone from PortSIP Solutions, Inc., it's built base on PortSIP VoIP SDK, allowing users to enjoy multimedia communications over the Wi-Fi or 3G/LTE connection on iPhone. Featuring an intuitive interface, VOM for iPhone is expanding the softphone experience by making it even easier to make Voice over IP calls.It's support access the existing iPhone contact list. VOM for iPhone works seamlessly with your internet connection, it including great features to help you stay in touch with friends, family and co-workers, share your thoughts and views and find the information you need. You can use it on your iPhone, allows you to speak with any other softphone, any stand-alone IP-phone, or using Internet Telephony Service Provider (ITSP) with any traditional wired or mobile phone. It supports SIP and is fully inter-operable with most major VOIP vendors and ITSPs. Features:Support platforms: iPhone5 and iOS 8.0+ Full SIP compliance: RFC3261 Support servers: Open SER, SER, Asterisk, Portaone, Radvision, Nortel, Avaya and other standard SIP Platforms. Audio call: AMR-NB, AMR-WB,G.711 aLaw/uLaw, G729,iLBC,GSM,Speex-NB,Speex-WB,OPUS Calling features: mute speaker. mute microphone. Call Transfer. Conference. Hold/unHold. SIP SIMPLE support. DTMF support: Send DTMF tone(RFC2833).SIP INFO. Other features: Silent Ringtone Acoustic Echo Cancel Voice ActivityDetector STUN support

About

DtWeIm

Features
Read full description

DtWeIm is an application designed to enhance user communication efficiency. It offers a comprehensive suite of features including instant messaging, voice, and video calls, supporting seamless multi-platform usage to keep users connected anytime, anywhere. With its user-friendly interface and intuitive operation, DtopIM is ideal for both individual and team use, effectively meeting diverse communication needs across various scenarios. The application prioritizes security, employing robust data encryption to protect user privacy and ensure the secure and reliable transmission of all information.

Screenshots

VOM4 screens
DtWeIm3 screens

Verdict

The call

The clearest difference is iOS requirement: VOM at 8.0 against DtWeIm's 13.0. On price, update cadence, ads and in-app purchases 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

VOM ships an update every 2 weeks, DtWeIm every 3 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

Scorecard1 real difference Β· 5 level
VOM versus DtWeIm: the parameters behind the verdict, then further details
ParameterVOMDtWeIm
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 β€” better13.0
Further details β€” not scored
Size22 MB27 MB
Age rating4+4+
DeveloperPortSIP Solutions, Inc.Catherine Chartrand

In-app purchases

None

VOM

No in-app purchases

None

DtWeIm

No in-app purchases

Questions

Is VOM free?
VOM is free to download, with no in-app purchases.
Is DtWeIm free?
DtWeIm is free to download, with no in-app purchases.
Do VOM or DtWeIm have ads?
Neither VOM nor DtWeIm shows ads.
Which is updated more often, VOM or DtWeIm?
VOM ships an update every 2 weeks, and DtWeIm every 3 weeks. Most recently, VOM was updated on October 7, 2026 and DtWeIm on October 15, 2026.

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