Comparison

MobyFon vs CallOne Softphone

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

CallOne Softphone

Read full description

CallOne's begleitende Softphone-App zur CallOne-Plattform. Eine SIP-Softphone-App, die Push-Benachrichtigungen, HD-Voice und Video und vieles mehr unterstützt. Darüber hinaus bietet die CallOne-App - Kostenlose Anrufe zwischen App-Nutzern

Screenshots

MobyFon4 screens

CallOne Softphone4 screens

Verdict

The call

MobyFon and CallOne Softphone are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on July 24, 2026 and September 21, 2026 respectively.

ScorecardNo meaningful differences

MobyFon versus CallOne Softphone: the parameters behind the verdict, then further details
Parameter	MobyFon	CallOne Softphone
Price	Free	Free
Positive reviews	83.3% of reviews	—
Update frequency	Every 3 months	Every 3 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone	iPhone
Requires iOS	16.0	16.0
Further details — not scored
Size	109 MB	97 MB
Age rating	17+	4+
Developer	wilhelm.tel GmbH	CallOne GmbH

In-app purchases

None

MobyFon

No in-app purchases

None

CallOne Softphone

No in-app purchases

Questions

Is MobyFon free?

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

Is CallOne Softphone free?

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

Do MobyFon or CallOne Softphone have ads?

Neither MobyFon nor CallOne Softphone shows ads.

Which is updated more often, MobyFon or CallOne Softphone?

MobyFon ships an update every 3 months, and CallOne Softphone every 3 months. Most recently, MobyFon was updated on July 24, 2026 and CallOne Softphone on September 21, 2026.