Comparison

Prefix Dialer Pro vs Prefix App

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

Head to head
About

Prefix Dialer Pro

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
Read full description

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

About

Prefix App

Easily add prefixes to phone numbers without altering your contacts. Ideal for business users, it offers extensive customization for prefixes and your address book. Includes Siri and Apple Watch support for seamless integration.

Highlights
  • Add prefixes without editing contacts
  • Multiple customizable prefixes
  • Full and customizable address book
  • Recent calls list
  • Siri support
  • Today widget and Apple Watch app
Features
Read full description

Prefix App lets you put a prefix (or suffix) before any phone number without editing your address book. Perfect for business phones and special carrier plans. FEATURES • Full address book • Multiple customizable prefixes • Customizable suffix • Favorites • Recent calls • Direct call from the keypad • Today widget • Apple Watch app • SIRI support • Simple, intuitive and smart interface No more editing contacts or retyping numbers by hand!

Screenshots

Prefix Dialer Pro4 screens
Prefix App4 screens

Verdict

The call

The clearest difference is ads: Prefix Dialer Pro at none against Prefix App's shown. Prefix App's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (3 vs 1). On price, rating, in-app purchases and monetization model 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. Prefix Dialer Pro sells 2 one-off in-app purchases and Prefix App sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Prefix Dialer Pro against 5.0 for Prefix App. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Prefix Dialer Pro ships an update every 8 months, Prefix App every 3 weeks. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Prefix Dialer Pro versus Prefix App: the parameters behind the verdict, then further details
ParameterPrefix Dialer ProPrefix App
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews—37.3% of reviews
Number of ratings13 — better
Update frequencyEvery 8 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size4 MB13 MB
Age rating4+4+
DeveloperSOHO S & NAlain Lima

Customer experience

Prefix Dialer Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Prefix App

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews51 reviews
Positive37.3%
Neutral15.7%
Negative47.1%

In-app purchases

2 purchases

Prefix Dialer Pro

One-time2
  • Additional Set of 5 Prefixes and 5 Replacers$0.99
  • Set of 5 prefixes and 5 replacers$0.99
2 purchases

Prefix App

One-time2
  • Call from Apple Watch$0.99
  • Remove ads$1.99

Questions

Is Prefix Dialer Pro free?
Prefix Dialer Pro is free to download, with in-app purchases available.
Is Prefix App free?
Prefix App is free to download, with in-app purchases available.
Which has better reviews, Prefix Dialer Pro or Prefix App?
Prefix Dialer Pro and Prefix App are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Prefix Dialer Pro or Prefix App have ads?
Prefix App shows ads; Prefix Dialer Pro does not.
Which is updated more often, Prefix Dialer Pro or Prefix App?
Prefix Dialer Pro ships an update every 8 months, and Prefix App every 3 weeks. Most recently, Prefix Dialer Pro was updated on October 24, 2026 and Prefix App on October 24, 2026.

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