Comparison

SessionTalk SIP Softphone vs Robert Keyes

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Robert Keyes

Stay connected with a prominent businessman through his dedicated application. Receive push notifications and updates to remain informed about his activities and ventures.

Highlights
  • Push notification alerts
  • Stay informed on the go
  • Connect with a businessman
  • Business updates
Features
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Robert Keyes is the embodiment of the American dream. Born and raised in poverty, Robert has worked to become one of Norman’s most successful businessmen. Connect with Robert Keyes in his app for push notification alerts, stay in the know on the go and more.

Screenshots

SessionTalk SIP Softphone3 screens
Robert Keyes3 screens

Verdict

The call

The clearest difference is review sentiment: Robert Keyes at 100% against SessionTalk SIP Softphone's 39%. Robert Keyes also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 2). SessionTalk SIP Softphone's advantage is ratings volume (1K vs 1) and update cadence (every 2 weeks vs monthly). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SessionTalk SIP Softphone sells 2 one-off in-app purchases. Robert Keyes asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Robert Keyes holds the better App Store score, 5.0 against 4.5. 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. Written reviews point the same way: 39% of SessionTalk SIP Softphone's written reviews are positive against 100% of Robert Keyes's.

UpkeepUpdate frequency

SessionTalk SIP Softphone ships an update every 2 weeks, Robert Keyes monthly. The most recent releases landed on October 15, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 3 level
SessionTalk SIP Softphone versus Robert Keyes: the parameters behind the verdict, then further details
ParameterSessionTalk SIP SoftphoneRobert Keyes
PriceFreeFree
Rating4.5 (1K ratings)5.0 (1 ratings) — better
Positive reviews39.2% of reviews100.0% of reviews — better
Number of ratings1K — better1
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size63 MB79 MB
Age rating4+4+
DeveloperSessionTalk LtdRobert Keyes

Customer experience

SessionTalk SIP Softphone

All ratings1,017 ratings
Positive85.3%
Neutral4.2%
Negative10.5%
Written reviews365 reviews
Positive39.2%
Neutral12.6%
Negative48.2%

Robert Keyes

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Robert Keyes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

SessionTalk SIP Softphone

One-time2
  • G.729 Annex A Codec$2.99
  • Upgrade to Pro$6.99
None

Robert Keyes

No in-app purchases

Questions

Is SessionTalk SIP Softphone free?
SessionTalk SIP Softphone is free to download, with in-app purchases available.
Is Robert Keyes free?
Robert Keyes is free to download, with no in-app purchases.
Which has better reviews, SessionTalk SIP Softphone or Robert Keyes?
Robert Keyes is rated higher. SessionTalk SIP Softphone averages 4.5 out of 5 from 1K ratings, while Robert Keyes averages 5.0 from 1 ratings.
Do SessionTalk SIP Softphone or Robert Keyes have ads?
Neither SessionTalk SIP Softphone nor Robert Keyes shows ads.
Which is updated more often, SessionTalk SIP Softphone or Robert Keyes?
SessionTalk SIP Softphone ships an update every 2 weeks, and Robert Keyes monthly. Most recently, SessionTalk SIP Softphone was updated on October 15, 2026 and Robert Keyes on September 25, 2026.

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