# Prefix Dialer Pro vs Clock Background

The clearest difference is price: Prefix Dialer Pro at Free against Clock Background's $0.29. Clock Background's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Prefix Dialer Pro is free to download; Clock Background costs $0.29 up front. Prefix Dialer Pro sells 2 one-off in-app purchases. Clock Background asks for nothing beyond the download.

## The numbers

| Metric | Prefix Dialer Pro | Clock Background |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prefix-dialer-pro/id982956788/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Freemium | — |
| Size | 4 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SOHO S & N](https://appshunter.io/developer/299975451) | [AHMAD ALMHASNEH](https://appshunter.io/developer/1860029379) |

## What reviewers say

### Prefix Dialer Pro

[App page](https://appshunter.io/ios/app/prefix-dialer-pro/id982956788)

Automatically add dial codes or modify phone numbers before making calls. Ideal for office PBX systems, international dialing, or any situation requiring number reformatting. Sync rules across devices via iCloud.

**Highlights:** Automatic prefix and replacer rules, Contact integration, Clipboard detection, Manual number entry, Dial history, iCloud sync, Shake to open contacts

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Set of 5 Prefixes and 5 Replacers | $0.99 | one-time |
| Set of 5 prefixes and 5 replacers | $0.99 | one-time |


### Clock Background

[App page](https://appshunter.io/ios/app/clock-background/id6797247872)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prefix Dialer Pro free?

Prefix Dialer Pro is free to download, with in-app purchases available.

### Is Clock Background free?

Clock Background costs $0.29, with no in-app purchases.

### Do Prefix Dialer Pro or Clock Background have ads?

Neither Prefix Dialer Pro nor Clock Background shows ads.

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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.*