Comparison

VOM vs 家信

Price, ratings, monetisation and update history for both apps, side by side — 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

家信

Features
Read full description

家信是一款面向父母与子女两代人的家庭关怀类应用。聚焦「父母的 AI 生活管家」与「子女的安心纽带」:不为长辈再造一个复杂社交软件,而是用听得懂、帮得上、一直在的 AI 管家,配合子女端的日报与即时通讯,让关心有据可依、陪伴更省力。

Screenshots

VOM4 screens
家信4 screens

Verdict

The call

The clearest difference is update cadence: 家信 at weekly against VOM's every 2 weeks. VOM's advantage is iOS requirement (8.0 vs 15.5). 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

VOM ships an update every 2 weeks, 家信 weekly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 4 level
VOM versus 家信: the parameters behind the verdict, then further details
ParameterVOM家信
PriceFreeFree
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.5
Further details — not scored
Size22 MB139 MB
Age rating4+4+
DeveloperPortSIP Solutions, Inc.Chengdu Ronghe Xinyuan Technology Co., Ltd

In-app purchases

None

VOM

No in-app purchases

None

家信

No in-app purchases

Questions

Is VOM free?
VOM is free to download, with no in-app purchases.
Is 家信 free?
家信 is free to download, with no in-app purchases.
Do VOM or 家信 have ads?
Neither VOM nor 家信 shows ads.
Which is updated more often, VOM or 家信?
VOM ships an update every 2 weeks, and 家信 weekly. Most recently, VOM was updated on October 24, 2026 and 家信 on October 24, 2026.

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