Comparison

SessionTalk SIP Softphone vs Grandstream Wave

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 app brings your business SIP account to your mobile device, offering voice calling, messaging, and video. An optional upgrade unlocks advanced features like call recording, multiple accounts, and enhanced security.

Highlights
  • SIP voice calling
  • XMPP chat and messaging
  • Video calling
  • Multiple SIP account management
  • Call recording
  • ZRTP audio encryption
  • Push notifications
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 one-time Business upgrade for push notifications, video calling, messaging and XMPP, presence, multiple SIP accounts, call transfers, conference merging, call recording and ZRTP audio encryption. 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. • ZRTP audio encryption requires the Business upgrade. Purchase or restore it in Premium Features. • Compare the on-screen security code with the other caller to verify a ZRTP call. • See your call encryption type and ZRTP verification status during calls. • ZRTP requires a compatible peer and media path and supports audio only. Video is unavailable while ZRTP is enabled. 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

Grandstream Wave

This app transforms your device into a powerful softphone, enabling high-quality audio and video calls, and seamless meeting participation. Connect to your IP PBX system to call extensions, landlines, and mobile numbers from anywhere with a network connection.

Highlights
  • High-quality audio and video calls
  • Schedule and attend meetings
  • Join meetings without logging in
  • Connect to UCM63XX series IP PBX
  • Call extensions, landlines, and mobiles
  • Create and join meetings
Features
Read full description

Wave turns your device into a softphone that can connect, call, and video conference from anywhere by connecting to a Grandstream UCM63XX series IP PBX. It supports key features such as high-quality audio and video calls, scheduling and attending meeting, and allows joining meetings without logging in. As long as there is a network connection, users can register to UCM63XX series extensions, directly call other extensions, landlines, and mobile numbers, as well as create and join meetings. With Wave, users can enjoy calls and meetings no matter where they are, boosting communication efficiency and productivity for your enterprise.

Screenshots

SessionTalk SIP Softphone3 screens
Grandstream Wave4 screens

Verdict

The call

The clearest difference is rating: SessionTalk SIP Softphone at 4.4 against Grandstream Wave's 2.6. SessionTalk SIP Softphone also leads on update cadence (every 3 days vs every 5 weeks) and review sentiment (39% vs 12%). Grandstream Wave's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). 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. Grandstream Wave asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SessionTalk SIP Softphone holds the better App Store score, 4.4 against 2.6. That said, the two scores are not equally well evidenced: SessionTalk SIP Softphone has 1K ratings behind it against 51, 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 12% of Grandstream Wave's.

UpkeepUpdate frequency

SessionTalk SIP Softphone ships an update every 3 days, Grandstream Wave every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
SessionTalk SIP Softphone versus Grandstream Wave: the parameters behind the verdict, then further details
ParameterSessionTalk SIP SoftphoneGrandstream Wave
PriceFreeFree
Rating4.4 (1K ratings) — better2.6 (51 ratings)
Positive reviews39.2% of reviews — better12.1% of reviews
Number of ratings1K — better51
Update frequencyEvery 3 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size65 MB116 MB
Age rating4+4+
DeveloperSessionTalk LtdGrandstream

Customer experience

SessionTalk SIP Softphone

All ratings1,015 ratings
Positive85.2%
Neutral4.2%
Negative10.5%
Written reviews367 reviews
Positive39.2%
Neutral12.8%
Negative48.0%

Grandstream Wave

All ratings51 ratings
Positive33.3%
Neutral7.8%
Negative58.8%
Written reviews107 reviews
Positive12.1%
Neutral9.3%
Negative78.5%

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

Grandstream Wave

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

Grandstream Wave

No in-app purchases

Questions

Is SessionTalk SIP Softphone free?
SessionTalk SIP Softphone is free to download, with in-app purchases available.
Is Grandstream Wave free?
Grandstream Wave is free to download, with no in-app purchases.
Which has better reviews, SessionTalk SIP Softphone or Grandstream Wave?
SessionTalk SIP Softphone is rated higher. SessionTalk SIP Softphone averages 4.4 out of 5 from 1K ratings, while Grandstream Wave averages 2.6 from 51 ratings.
Do SessionTalk SIP Softphone or Grandstream Wave have ads?
Neither SessionTalk SIP Softphone nor Grandstream Wave shows ads.
Which is updated more often, SessionTalk SIP Softphone or Grandstream Wave?
SessionTalk SIP Softphone ships an update every 3 days, and Grandstream Wave every 5 weeks. Most recently, SessionTalk SIP Softphone was updated on November 6, 2026 and Grandstream Wave on November 3, 2026.

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