Comparison

MobyFon vs GS EXT

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

Head to head

About

MobyFon

Make calls using your home landline number and service from your smartphone. Stay reachable everywhere with your fixed-line number. This app allows seamless integration of your landline service with your mobile device.

Highlights

Use landline number on smartphone
Mobile reachability with landline number
Integrates landline service with mobile
Easy to use interface

Read full description

Mit MobyFon telefonieren Sie einfach über Ihrem Festnetzanschluss und Ihrer Festnetznummer mit Ihrem Smartphone. Mit MobyFon sind Sie überall unter Ihrer Festnetznummer mobil erreichbar.

About

GS EXT

Features

Read full description

GS EXT is a mobile client used in conjunction with the Grandstream GRP260X series phones, providing simple and fast programmable buttons to record various communication needs in office scenarios, making it convenient for users to operate communication functions with one click.

Screenshots

MobyFon4 screens

GS EXT4 screens

Verdict

The call

The clearest difference is update cadence: MobyFon at every 3 months against GS EXT's every 9 months. GS EXT's advantage is iOS requirement (9.0 vs 16.0). 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

MobyFon ships an update every 3 months, GS EXT every 9 months. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 6 level

MobyFon versus GS EXT: the parameters behind the verdict, then further details
Parameter	MobyFon	GS EXT
Price	Free	Free
Positive reviews	83.3% of reviews	—
Update frequency	Every 3 months — better	Every 9 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone	iPhone, iPod — better
Requires iOS	16.0	9.0 — better
Further details — not scored
Size	109 MB	13 MB
Age rating	17+	4+
Developer	wilhelm.tel GmBH	Grandstream

In-app purchases

None

MobyFon

No in-app purchases

None

GS EXT

No in-app purchases

Questions

Is MobyFon free?

MobyFon is free to download, with no in-app purchases.

Is GS EXT free?

GS EXT is free to download, with no in-app purchases.

Do MobyFon or GS EXT have ads?

Neither MobyFon nor GS EXT shows ads.

Which is updated more often, MobyFon or GS EXT?

MobyFon ships an update every 3 months, and GS EXT every 9 months. Most recently, MobyFon was updated on November 4, 2026 and GS EXT on November 7, 2026.