Comparison

frSIP Mobile (Legacy Support) vs Echo Mobile VoIP

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

Head to head
About

frSIP Mobile (Legacy Support)

This application allows users to make and receive calls on their office phone line directly from their mobile device. It enables enterprise mobility by pairing your phone with your office extension, allowing you to stay connected anywhere with Wi-Fi or cellular data. The app can run in the background and will ring when your office phone rings.

Highlights
  • Make and receive office calls on mobile
  • Pair mobile with office extension
  • Background call ringing
  • Use office line for outgoing calls
  • Enterprise mobility
Features
Read full description

The frSIP Mobile for iOS is a client software designed to work with any enterprise running frSIP UC 2.9.3 or above. Video calling is only available in frSIP UC 3.1 or above. This app provides enterprise mobility by enabling users to pair their mobile phone with their office extensions. You may make and receive calls on your office line right from your iOS device whenever you are connected to Wifi or 3G, 4G LTE. You may put this app in background mode and it will ring whenever your office phone rings. Outgoing calls placed on this app will be made via your office phone line. Take advantage of our mobility features and stay connected anytime, anywhere!

About

Echo Mobile VoIP

Features
Read full description

Echo Mobile is a SIP softclient that extends VoIP functionality beyond the land line or desk top. It brings features of the Echo Networks platform directly to end-user's mobile devices as a Unified Communications solution. With Echo Mobile, users are able to maintain the same identity when making or receiving calls from any location, regardless of their device. They are also able seamlessly send an ongoing call from one device to another and continue that call without interruption. Echo Mobile grants users the ability to manage contacts, voicemail, call history and configurations in a single location. This includes the management of answering rules. greetings, and presence which all contribute to more efficient communication.

Screenshots

frSIP Mobile (Legacy Support)3 screens
Echo Mobile VoIP4 screens

Verdict

The call

The clearest difference is update cadence: frSIP Mobile (Legacy Support) at monthly against Echo Mobile VoIP's every 6 months. frSIP Mobile (Legacy Support) also leads on iOS requirement (7.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

frSIP Mobile (Legacy Support) ships an update monthly, Echo Mobile VoIP every 6 months. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 8 level
frSIP Mobile (Legacy Support) versus Echo Mobile VoIP: the parameters behind the verdict, then further details
ParameterfrSIP Mobile (Legacy Support)Echo Mobile VoIP
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size91 MB121 MB
Age rating4+4+
DeveloperDeltapath, Inc.Echo Networks, LLC

In-app purchases

None

frSIP Mobile (Legacy Support)

No in-app purchases

None

Echo Mobile VoIP

No in-app purchases

Questions

Is frSIP Mobile (Legacy Support) free?
frSIP Mobile (Legacy Support) is free to download, with no in-app purchases.
Is Echo Mobile VoIP free?
Echo Mobile VoIP is free to download, with no in-app purchases.
Do frSIP Mobile (Legacy Support) or Echo Mobile VoIP have ads?
Neither frSIP Mobile (Legacy Support) nor Echo Mobile VoIP shows ads.
Which is updated more often, frSIP Mobile (Legacy Support) or Echo Mobile VoIP?
frSIP Mobile (Legacy Support) ships an update monthly, and Echo Mobile VoIP every 6 months. Most recently, frSIP Mobile (Legacy Support) was updated on October 14, 2026 and Echo Mobile VoIP on October 23, 2026.

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