Comparison

//afone vs CallOne Softphone

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

Head to head

//afone

//afone is not a phone

About

//afone

Features

Read full description

//afone is the reference implementation for SIP Telephony on iOS that can be used on different SIP stacks with no effort. This is a ready to use softphone with the following features: * video calling * mute/unmute * hold/unhold * DTMF tone sending You will need your own SIP server to connect to or a CPaaS provider account and credentials. It's Open Source and available on GitHub under https://github.com/automat-berlin/afone

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

//afone2 screens

CallOne Softphone4 screens

Verdict

The call

The clearest difference is update cadence: //afone at monthly against CallOne Softphone's every 3 months. //afone also leads on iOS requirement (12.1 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

//afone ships an update monthly, CallOne Softphone every 3 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 4 level

//afone versus CallOne Softphone: the parameters behind the verdict, then further details
Parameter	//afone	CallOne Softphone
Price	Free	Free
Update frequency	Monthly — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod — better	iPhone
Requires iOS	12.1 — better	16.0
Further details — not scored
Size	24 MB	97 MB
Age rating	4+	4+
Developer	Automat Berlin GmbH	CallOne GmbH

In-app purchases

None

//afone

No in-app purchases

None

CallOne Softphone

No in-app purchases

Questions

Is //afone free?

//afone 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 //afone or CallOne Softphone have ads?

Neither //afone nor CallOne Softphone shows ads.

Which is updated more often, //afone or CallOne Softphone?

//afone ships an update monthly, and CallOne Softphone every 3 months. Most recently, //afone was updated on October 12, 2026 and CallOne Softphone on October 8, 2026.