SessionTalk SIP Softphone vs 1
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SessionTalk SIP Softphone
This mobile SIP client integrates with cloud VoIP solutions, offering advanced call management and high-quality communication. It supports various codecs, multiple accounts, and secure calling features, with some premium functionalities available through in-app purchases.
- SIP VoIP calls over LTE and WiFi
- Incoming calls via Push Notifications
- Video Calls with H264 & VP8 codec
- Multiple accounts - simultaneously registered
- Call Recording
- TLS Encryption and SRTP secure calls
- Conference - Merge and Split
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Your business number. Your iPhone. Your way to stay in touch. SessionTalk SIP Softphone brings your compatible SIP account to iPhone and iPad, with a clear dialler, quick access to contacts and calling tools for working from anywhere. Start with SIP voice calling. Unlock the optional in-app upgrade for push notifications, video calling, messaging and XMPP, presence, multiple SIP accounts, call transfers, conference merging and call recording. The messaging screenshots show features available with this upgrade. 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.
1
Make affordable international calls using your mobile device over Wi-Fi or 3G. Receive VoIP calls anywhere with push notifications or background mode support. This service is designed for iPhone, iPad, and iPod Touch.
- Affordable international calls
- Wi-Fi and 3G calling
- Receive VoIP calls
- Push notifications for incoming calls
- iOS background mode support
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1-Talk voice service is the leading SIP termination service for iPhone, iPad and iPod Touch. Set it up and start making cheap calls over WiFi or 3G from your mobile device. You can also receive VoIP incoming calls anywhere using out Push Notifications service or iOS background mode. © 2010-2014 Webcorp Solutions L.P. http://1-talk.com
Screenshots
Verdict
The clearest difference is rating: 1 at 5.0 against SessionTalk SIP Softphone's 4.4. 1 also leads on in-app purchases (none vs 2) and iOS requirement (6.0 vs 15.0). SessionTalk SIP Softphone's advantage is update cadence (weekly vs every 5 months) and ratings volume (1K vs 1). On price, 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
Both are free to download. SessionTalk SIP Softphone sells 2 one-off in-app purchases. 1 asks for nothing beyond the download.
1 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: SessionTalk SIP Softphone has 1K ratings behind it against 1, so its average is the more settled of the two.
SessionTalk SIP Softphone ships an update weekly, 1 every 5 months. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.
| Parameter | SessionTalk SIP Softphone | 1 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 39.2% of reviews | — |
| Number of ratings | 1K — better | 1 |
| Update frequency | Weekly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | SessionTalk Ltd | PortSIP Solutions, Inc. |
Customer experience
SessionTalk SIP Softphone
1
Bugs and requests
SessionTalk SIP Softphone
Reported bugs
4 issues- Incoming calls not working
- Calls dropping
- Connectivity issues
- Keypad not working properly
Requested features
4 requests- Scheduled DND mode
- Improved iPad support
- Video calling
- More codec support
1
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SessionTalk SIP Softphone
- G.729 Annex A Codec$2.99
- Upgrade to Pro$6.99
1
No in-app purchases
Questions
Is SessionTalk SIP Softphone free?
Is 1 free?
Which has better reviews, SessionTalk SIP Softphone or 1?
Do SessionTalk SIP Softphone or 1 have ads?
Which is updated more often, SessionTalk SIP Softphone or 1?
Other comparisons
