SessionTalk Pro Softphone vs STN UC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SessionTalk Pro Softphone
This mobile SIP client enables high-quality enterprise VoIP calls over LTE and WiFi. It offers features like video calls, SMS messaging, multiple account support, and advanced call management, all with minimal battery impact. It integrates seamlessly with cloud telephony solutions.
- SIP VoIP calls over LTE and WiFi
- Video Calls
- SMS Messaging
- Multiple simultaneous accounts
- Advanced call management (transfer, conference)
- TLS Encryption and SRTP secure calls
- Call Recording
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Take your business calls and conversations wherever work takes you. SessionTalk Pro Softphone brings SIP calling, video, messaging and call-management tools together on iPhone and iPad. Connect your existing provider or office PBX and keep your work communications close, whether you are at your desk or on the move. Pro includes the Business features: incoming-call push notifications, video calls, messaging and XMPP, presence, multiple SIP accounts, call transfers, conference merging and call recording. No separate Business upgrade is required. CALL WITH CONFIDENCE • Make and receive SIP calls over Wi-Fi and mobile data. • Find people quickly with contacts, favourites and call history. • Use Bluetooth, speakerphone, mute, hold and voicemail notifications. • Enjoy clear audio with Opus, G.722 and G.711 support. MORE WAYS TO KEEP IN TOUCH • Share messages with XMPP chat and compatible SIP messaging services. • Keep conversations organised with contact avatars and group chat rooms. • Share images and files in supported messaging conversations. • Stay reachable with incoming-call push notifications and background XMPP message delivery. TOOLS FOR YOUR WORKDAY • Manage multiple SIP accounts in one app. • Transfer calls, bring people together in conferences and record calls. • Use video calling with a compatible provider. • Support for TLS and SRTP when enabled by your service. BRING YOUR OWN SERVICE SessionTalk is a softphone, not a phone service. A compatible SIP account or PBX is required for calling. XMPP messaging requires a compatible XMPP account. SIP messaging, video, push and other features depend on your provider and configuration. Provider calling charges and mobile data charges may apply. Need help? Contact support@sessiontalk.co.uk.
STN UC
This application functions as a SIP-based softphone, enabling users to make and receive calls and instant messages over Wi-Fi or cellular data. It integrates with a specific PBX system to support push notifications for incoming calls and messages, even when the app is not actively running.
- SIP-based softphone
- Wi-Fi or 4G/LTE calls
- Instant messaging
- Push notifications for calls
- Push notifications for messages
- Interworks with PortSIP PBX
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STN-UC is a SIP-based softphone for iPhone that uses Wi-Fi or 4G/LTE connection to make and receive calls and Instant Messages. Interworking with PortSIP PBX, STN-UC support push notification, which allows it receive calls and messages even it was force terminated.
Screenshots
Verdict
The clearest difference is review sentiment: SessionTalk Pro Softphone at 63% against STN UC's 0%. SessionTalk Pro Softphone also leads on update cadence (every 2 weeks vs every 2 months) and chart position (#91 vs unranked). STN UC's advantage is price (Free vs $6.99) and in-app purchases (none vs 1). On ads 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
STN UC is free to download; SessionTalk Pro Softphone costs $6.99 up front. SessionTalk Pro Softphone sells 1 one-off in-app purchase. STN UC asks for nothing beyond the download.
SessionTalk Pro Softphone ships an update every 2 weeks, STN UC every 2 months. Both last shipped on October 14, 2026.
| Parameter | SessionTalk Pro Softphone | STN UC |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.1 (30 ratings) — better | — |
| Positive reviews | 62.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 30 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #91 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | SessionTalk Ltd | PortSIP Solutions, Inc. |
Customer experience
SessionTalk Pro Softphone
STN UC
In-app purchases
SessionTalk Pro Softphone
- G.729 Annex A Codec$2.99
STN UC
No in-app purchases
Questions
Is SessionTalk Pro Softphone free?
Is STN UC free?
Do SessionTalk Pro Softphone or STN UC have ads?
Which is updated more often, SessionTalk Pro Softphone or STN UC?
Other comparisons
