Comparison

SessionTalk Pro Softphone vs IP500M

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

IP500M

This application allows users to manage office communications and security from their smartphones. It enables outgoing and intercom calls, conference calls, and integration with video door phones and IP cameras.

Highlights
  • Outgoing and intercom calls
  • Multi-party conference calls
  • Video door phone integration
  • IP camera monitoring
  • Alarm device monitoring
  • Office mobility services
Features
Read full description

IP500M users can use their smartphones to make outgoing call, intercom call, call operator, broadcast office extensions, hold multi-party conference calls, meet visitors from video door phones, and monitor IP cameras and alarm devices. Enjoy the best audio and video communication of the SDX500 PBX System, and experience high-tech innovative application services for office mobility.

Screenshots

SessionTalk Pro Softphone3 screens
IP500M4 screens

Verdict

The call

The clearest difference is review sentiment: SessionTalk Pro Softphone at 63% against IP500M's 17%. SessionTalk Pro Softphone also leads on update cadence (every 2 weeks vs every 9 months) and chart position (#84 vs unranked). IP500M'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

CostPrice · In-app purchases · Ads · Monetization

IP500M is free to download; SessionTalk Pro Softphone costs $6.99 up front. SessionTalk Pro Softphone sells 1 one-off in-app purchase. IP500M asks for nothing beyond the download.

UpkeepUpdate frequency

SessionTalk Pro Softphone ships an update every 2 weeks, IP500M every 9 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 4 level
SessionTalk Pro Softphone versus IP500M: the parameters behind the verdict, then further details
ParameterSessionTalk Pro SoftphoneIP500M
Price$6.99Free — better
Rating4.1 (30 ratings) — better—
Positive reviews62.6% of reviews — better16.7% of reviews
Number of ratings30 — better—
Update frequencyEvery 2 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#84 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size63 MB33 MB
Age rating4+4+
DeveloperSessionTalk LtdTECOM CO., LTD.

Customer experience

SessionTalk Pro Softphone

All ratings30 ratings
Positive73.3%
Neutral6.7%
Negative20.0%
Written reviews155 reviews
Positive62.6%
Neutral10.3%
Negative27.1%

IP500M

Written reviews12 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

1 purchases

SessionTalk Pro Softphone

One-time1
  • G.729 Annex A Codec$2.99
None

IP500M

No in-app purchases

Questions

Is SessionTalk Pro Softphone free?
SessionTalk Pro Softphone costs $6.99, and also offers in-app purchases.
Is IP500M free?
IP500M is free to download, with no in-app purchases.
Do SessionTalk Pro Softphone or IP500M have ads?
Neither SessionTalk Pro Softphone nor IP500M shows ads.
Which is updated more often, SessionTalk Pro Softphone or IP500M?
SessionTalk Pro Softphone ships an update every 2 weeks, and IP500M every 9 months. Most recently, SessionTalk Pro Softphone was updated on October 14, 2026 and IP500M on October 3, 2026.

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