# MobyFon vs CallOne Softphone

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | MobyFon | CallOne Softphone |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 109 MB | 97 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [wilhelm.tel GmbH](https://appshunter.io/developer/1316559598) | [CallOne GmbH](https://appshunter.io/developer/1652646749) |

## What reviewers say

### MobyFon

[App page](https://appshunter.io/ios/app/mobyfon/id1316559599)

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

**In-app purchases:** none


### CallOne Softphone

[App page](https://appshunter.io/ios/app/callone-softphone/id6444151385)

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*