Comparison

VirtualPBX Softphone vs OnSIP

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

Head to head
About

VirtualPBX Softphone

Transform your smartphone into a powerful business phone system. Make and receive calls using your company's Caller ID, record conversations, and manage voicemails from your email. Enjoy high-quality calls over Wi-Fi or cellular data without using your personal minutes.

Highlights
  • VoIP calling over data connection
  • Company Caller ID
  • Call recording
  • Voicemail to email
  • Real-time call logs
  • Custom greetings and hold music
Features
Read full description

The VirtualPBX Softphone application turns your iPhone into a full-featured VoIP phone in a VirtualPBX phone system. You can receive and make calls over your data connection that enable all of the high-end features available to VirtualPBX VoIP phones, without using your phone's minutes. Audio compression is included at no added cost, providing high-quality calls with 4G, LTE, 5G, or Wi-Fi. Capabilities include: • Outbound calls use your company Caller ID, instead of your personal phone number. • Record both inbound and outbound calls automatically or on-demand. • Centralized business voice messaging, with voicemails sent to your email address. • Real-time reports, logs, and monitoring of all calls with detailed records. • Customized company greetings, voicemail, hold music, and more. • Dial other extensions directly, using just the extension number. • Instant access to your VirtualPBX main menu by pressing just one key. • Enhanced security through VirtualPBX’s unique provisioning system. This app must be registered to a VirtualPBX VoIP system. VirtualPBX is the award-winning hosted PBX service that can make a business-class phone system out of your cell phones and landlines, or can give your company a complete business VoIP phone system based on Internet phone lines. You can even mix and match business VoIP service with mobile phones and landlines to get a custom setup that works perfectly just for you. Features include a custom auto-attendant, follow-me calling, True ACD queues, call recording, voicemail, internet fax, conferencing, and more.

About

OnSIP

This app extends your business phone system to your mobile device, enabling HD voice and video calls, contact monitoring, and voicemail management. Stay connected with clients and colleagues from anywhere, without needing extra hardware.

Highlights
  • HD voice and video calls
  • Voicemail management
  • Contact availability monitoring
  • Call history
  • Remote work connectivity
Features
Read full description

OnSIP brings your business phone to you, whether you're at the office, at a client's site, or working remotely. Connect with customers, partners, vendors, and coworkers from your OnSIP account on your iPhone. With OnSIP, you can take advantage of standard business phone features without the additional hardware. Make and receive HD voice and video calls, monitor contact availability, check recent call history, and manage your voicemail in one simple interface.

Screenshots

VirtualPBX Softphone4 screens
OnSIP4 screens

Verdict

The call

The clearest difference is rating: VirtualPBX Softphone at 4.4 against OnSIP's 2.4. VirtualPBX Softphone also leads on review sentiment (50% vs 9%) and ratings volume (329 vs 67). OnSIP's advantage is update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

VirtualPBX Softphone holds the better App Store score, 4.4 against 2.4. Both are backed by a comparable volume of ratings — 329 and 67 respectively. Written reviews point the same way: 50% of VirtualPBX Softphone's written reviews are positive against 9% of OnSIP's.

UpkeepUpdate frequency

VirtualPBX Softphone ships an update every 6 months, OnSIP every 2 months. The most recent releases landed on July 27, 2026 and September 15, 2026 respectively.

Scorecard5 real differences · 5 level
VirtualPBX Softphone versus OnSIP: the parameters behind the verdict, then further details
ParameterVirtualPBX SoftphoneOnSIP
PriceFreeFree
Rating4.4 (329 ratings) — better2.4 (67 ratings)
Positive reviews50.0% of reviews — better8.7% of reviews
Number of ratings329 — better67
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.4
Further details — not scored
Size101 MB26 MB
Age rating4+4+
DeveloperVirtual PBXOnSIP

Customer experience

VirtualPBX Softphone

All ratings304 ratings
Positive84.5%
Neutral5.9%
Negative9.5%
Written reviews14 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

OnSIP

All ratings67 ratings
Positive28.4%
Neutral6.0%
Negative65.7%
Written reviews23 reviews
Positive8.7%
Neutral8.7%
Negative82.6%

In-app purchases

None

VirtualPBX Softphone

No in-app purchases

None

OnSIP

No in-app purchases

Questions

Is VirtualPBX Softphone free?
VirtualPBX Softphone is free to download, with no in-app purchases.
Is OnSIP free?
OnSIP is free to download, with no in-app purchases.
Which has better reviews, VirtualPBX Softphone or OnSIP?
VirtualPBX Softphone is rated higher. VirtualPBX Softphone averages 4.4 out of 5 from 329 ratings, while OnSIP averages 2.4 from 67 ratings.
Do VirtualPBX Softphone or OnSIP have ads?
Neither VirtualPBX Softphone nor OnSIP shows ads.
Which is updated more often, VirtualPBX Softphone or OnSIP?
VirtualPBX Softphone ships an update every 6 months, and OnSIP every 2 months. Most recently, VirtualPBX Softphone was updated on July 27, 2026 and OnSIP on September 15, 2026.

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