Comparison

SessionTalk SIP Softphone vs Wisprs

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

Wisprs

Features
Read full description

Wisprs is the anonymous professional community for verified employees. Talk honestly about work — your identity is never exposed. SPEAK FREELY ABOUT WORK Every employee has things they want to share but can't say out loud. Opinions about management, questions about salary, wins worth celebrating, frustrations worth venting. Wisprs gives you a place to finally speak freely, without risking your reputation or your job. HOW IT WORKS 1. Sign up with your work email — we verify you belong at your company, then your email is hidden forever. Nobody sees it. 2. You get an anonymous handle like "PurpleFox42" and a unique geometric avatar. That's how the community knows you. 3. Start posting, asking questions, and reviewing. FOUR WAYS TO CONNECT Wisprs Feed Your company's internal feed, visible only to your colleagues. Share what's really going on at work — the new remote policy, office quirks, leadership changes. All company, no filter. Town Square The public feed where professionals across every company meet. Tag any company to ask real employees what it's actually like to work there. Interview process, salary ranges, culture — get answers from people who know. Explore Search any company and see what their own employees say. Five-pillar ratings cover Work Environment, Career Growth, Compensation, Employee Engagement, and Leadership & Management. Read full reviews from real employees, or write your own once a year. Notifications Stay updated when people engage with your posts, comments, and reviews. BUILT FOR PRIVACY — Your work email verifies you, but is never stored in any post, comment, or profile. — Anonymous handles and geometric avatars — no photos, no names. — Report or block any user at any time. — AI-powered content moderation keeps conversations constructive. — Dark and light mode. WHO IT'S FOR Professionals who want to share honest opinions, ask questions they can't ask out loud, compare notes with peers, and help others make informed career decisions — all without risking their reputation or job. Join the conversation. Anonymously.

Screenshots

SessionTalk SIP Softphone3 screens
Wisprs3 screens

Verdict

The call

The clearest difference is in-app purchases: Wisprs at none against SessionTalk SIP Softphone's 2. On price, update cadence, 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. Wisprs asks for nothing beyond the download.

UpkeepUpdate frequency

SessionTalk SIP Softphone ships an update weekly, Wisprs every 9 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard1 real difference · 9 level
SessionTalk SIP Softphone versus Wisprs: the parameters behind the verdict, then further details
ParameterSessionTalk SIP SoftphoneWisprs
PriceFreeFree
Rating4.4 (1K ratings) — better—
Positive reviews39.2% of reviews—
Number of ratings1K — better—
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size64 MB37 MB
Age rating4+4+
DeveloperSessionTalk LtdAhmed Fatfat

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

Wisprs

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

Wisprs

No in-app purchases

Questions

Is SessionTalk SIP Softphone free?
SessionTalk SIP Softphone is free to download, with in-app purchases available.
Is Wisprs free?
Wisprs is free to download, with no in-app purchases.
Do SessionTalk SIP Softphone or Wisprs have ads?
Neither SessionTalk SIP Softphone nor Wisprs shows ads.
Which is updated more often, SessionTalk SIP Softphone or Wisprs?
SessionTalk SIP Softphone ships an update weekly, and Wisprs every 9 days. Most recently, SessionTalk SIP Softphone was updated on October 25, 2026 and Wisprs on October 18, 2026.

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