Comparison

Servpac VoIP Softphone vs Sona UC

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

Head to head
About

Servpac VoIP Softphone

Transform your mobile device into a fully functional office phone. Make and receive calls using your office number over your data connection, even when the app is running in the background. Enjoy free calls between users and exceptional audio quality.

Highlights
  • Office number on mobile
  • Make/receive calls over data
  • Background operation
  • Free calls between users
  • Exceptional audio quality
Read full description

Servpac Softphone lets you take your office number anywhere you are, whether it’s talking with team members for a project or informing customers about the latest products. This free app turns your phone into a VoIP phone that receives and makes calls over your mobile carrier’s data connection. Servpac Softphone is optimized to work in the background of the device. With Servpac Softphone you can use all the softphone features including free calling between app users and more. Enjoy exceptional audio quality with Servpac Softphone.

About

Sona UC

Features
Read full description

Sona UC is a VoIP Mobile Client coordinated with Sona UC PBXs that makes your iOS mobile phone an office extension and links you and your colleagues and customers anywhere anytime. Make and receive calls through corporate phone network to slash call costs and enhance efficiency with consistent in-office experience. Key Capabilities - Make and receive enterprise VoIP calls over your Wi-Fi or mobile data networks to lower mobile voice charges - One number reach to conceal your personal mobile phone number and ensure unified corporate identity - Set up flexible ring strategy for Linkus and the desktop phone - Select different outbound routes for different destinations (local/long-distance/international, etc.) - Corporate directory integration with lookup and visual status indicator (available/unavailable/busy) - Configurable PBX features including Call Transfer, Call Forwarding, Call Waiting, DND, and Ring Timeout - Support Push Notifications to alert users of incoming calls while conserving energy Main Features Call Forwarding Call History Call Route Selection Call Transfer Call Waiting Contact Management Corporate Directory Do Not Disturb Extension Status Hold & Resume Native Contacts Integration One Touch Recording Outbound Route Selection PUSH Notification Ring Strategy Selection Speed Dial/Favorite Voicemail Specifications iOS Requirement: iOS 11.0 or higher Network: 2G/3G/4G or Wi-Fi Protocol: SIP FRC2361 Codec: iLBC/u-law/a-law/G722/G729 Network Protocol: TCP/IP/UDP, RTP/SRTP/RTCP, HTTP/HTTPS DTMF: Inband, RFC4733 (RFC2833), Info

Screenshots

Servpac VoIP Softphone4 screens
Sona UC4 screens

Verdict

The call

The clearest difference is update cadence: Servpac VoIP Softphone at every 2 months against Sona UC's every 9 months. 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

Servpac VoIP Softphone ships an update every 2 months, Sona UC every 9 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 8 level
Servpac VoIP Softphone versus Sona UC: the parameters behind the verdict, then further details
ParameterServpac VoIP SoftphoneSona UC
PriceFreeFree
Rating2.5 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 2 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015 — better
Further details — not scored
Size101 MB68 MB
Age rating17+4+
DeveloperServpac IncorporatedSona Business B.V.

In-app purchases

None

Servpac VoIP Softphone

No in-app purchases

None

Sona UC

No in-app purchases

Questions

Is Servpac VoIP Softphone free?
Servpac VoIP Softphone is free to download, with no in-app purchases.
Is Sona UC free?
Sona UC is free to download, with no in-app purchases.
Do Servpac VoIP Softphone or Sona UC have ads?
Neither Servpac VoIP Softphone nor Sona UC shows ads.
Which is updated more often, Servpac VoIP Softphone or Sona UC?
Servpac VoIP Softphone ships an update every 2 months, and Sona UC every 9 months. Most recently, Servpac VoIP Softphone was updated on October 24, 2026 and Sona UC on October 28, 2026.

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