# Prefix Dialer Pro > Automatically prepends dial codes and transforms phone numbers for calls. (iPhone/iPad app by Raymond Ho.) - Source: https://appshunter.io/ios/app/prefix-dialer-pro/id982956788 (this page in markdown: same URL + `.md`) - Developer: [Raymond Ho](https://appshunter.io/developer/299975451) - Category: Utilities, Travel - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 4 MB - Languages: English - Released: 2015-04-23 - Data updated: 2026-07-07 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/prefix-dialer-pro/id982956788/reviews.md ## What is Prefix Dialer Pro? Prefix Dialer Pro lets you automatically prepend dial codes and transform phone numbers before placing a call — perfect for office PBX systems, international dialling, or any setup where numbers need a prefix. HOW IT WORKS Set up one or more prefix rules (e.g. "00" or "9") and replacer rules (e.g. strip the leading "+"). When you dial a number from your contacts, clipboard, or manually, every enabled rule is applied automatically. FEATURES • Contacts — pick any phone number directly from your contacts • Clipboard — detected automatically each time you open the app • Manual entry — type a number without opening your contacts • Dial history — quickly redial recent numbers • Shake to open contacts picker • iCloud sync — rules stay in sync across your devices • Up to 1 prefix and 1 replacer free; Go Pro for unlimited GO PRO A single one-time purchase unlocks unlimited prefixes and replacers and removes all ads. GREAT FOR • Staff who dial through a PBX (prepend 9 or 0 to get an outside line) • Frequent international callers (replace + with 00 or a country code) • Anyone whose phone system requires number reformatting before dialling ## Key features - Automatic prefix and replacer rules - Contact integration - Clipboard detection - Manual number entry - Dial history - iCloud sync - Shake to open contacts ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Additional Set of 5 Prefixes and 5 Replacers | $0.99 | one-time | | Set of 5 prefixes and 5 replacers | $0.99 | one-time | ## Frequently asked questions about Prefix Dialer Pro ### What is Prefix Dialer Pro? Prefix Dialer Pro automatically adds dial codes and transforms phone numbers before you make a call. It's useful for office PBX systems, international dialing, or any setup where numbers need prefixes. ### How does Prefix Dialer Pro work? You set up prefix and replacer rules within the app. When you dial a number from contacts, clipboard, or manually, these rules are applied automatically to format the number before the call is placed. ### Can I use Prefix Dialer Pro for international calls? Yes, Prefix Dialer Pro is great for international callers. You can set up rules to replace the leading '+' with '00' or a specific country code, ensuring your calls connect correctly. ### What are the limitations of the free version of Prefix Dialer Pro? The free version of Prefix Dialer Pro allows up to 1 prefix and 1 replacer rule. To unlock unlimited rules and remove ads, you can upgrade to the Pro version. ### How do I upgrade to Prefix Dialer Pro? Prefix Dialer Pro can be upgraded to the Pro version with a single one-time purchase. This unlocks unlimited prefixes and replacers and removes all advertisements from the app. ### Does Prefix Dialer Pro have ads? The free version of Prefix Dialer Pro does not contain advertisements. The 'Go Pro' option removes all ads, indicating the free version is ad-free. ### What devices is Prefix Dialer Pro available on? Prefix Dialer Pro is currently supported on iPhones. It was released on April 23, 2015, and the latest version is 2.1.0, last updated on May 8, 2026. ### What is the age rating for Prefix Dialer Pro? Prefix Dialer Pro has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ## Version history (last 5 releases) ### 2.1.0 — 2026-05-08 The Dial tab is now a full-screen keypad — type a number with one hand, see the dial preview live, and tap call. • New dialer pad: 0–9, star, hash, long-press 0 for "+" • Backspace tap to delete; long-press to clear • Recents moved to a top-bar button — out of the way until you need it • Smoother haptics on every tap ### 2.0.0 — 2026-05-06 Prefix Dialer Pro has been completely rebuilt from the ground up with SwiftUI. • Cleaner, faster interface • iCloud sync — your prefixes and replacers stay in sync across all your devices • Enter numbers manually without needing to open your contacts • Dial history — quickly redial recent numbers • Go Pro — one-time purchase removes ads and unlocks unlimited prefixes and replacers ### 1.2.0 — 2016-08-31 This update from Apple will improve the functionality of this app. No new features are included. Update for 2016 - Fixes for iOS9/10 Coming Soon - AppleWatch Integration and Quick Action ### 1.0.3 — 2015-09-14 This is an In-App Purchase Version * 1 Prefix and 1 Replacer free by default * To remove Ads and have additional 5 Prefixes and 5 Replacers, please purchase upgrade * Saves Replacers and Replacers preferences to the iCloud for backup * Existing users will automatically be supported ### 1.0.2 — 2015-04-21 No release notes. ## More apps by Raymond Ho - [TradeLinkMedia](https://appshunter.io/ios/app/tradelinkmedia/id909891137) - [Rare Beauty SG](https://appshunter.io/ios/app/rare-beauty-sg/id6762047964) All apps by Raymond Ho: https://appshunter.io/developer/299975451 ## Related topics [prefix dialer pro](https://appshunter.io/ios/topics/prefix-dialer-pro) · [dialer pro](https://appshunter.io/ios/topics/dialer-pro) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*