Prefix Dialer Pro vs PreDialer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Automatic prefix and replacer rules
- Contact integration
- Clipboard detection
- Manual number entry
- Dial history
- iCloud sync
- Shake to open contacts
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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
PreDialer
This app helps you quickly dial numbers with common prefixes. It remembers the initial digits of a phone number, saving you typing time. You can also configure it to clear the remaining digits after each call.
- Remember first 3, 6, or 10 digits
- Save time typing
- Clear unremembered digits after call
- Ideal for sequential number dialing
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PreDialer will remember the first 3, 6, or all 10 digits of a phone number you enter. Spend less time typing out the same digits! To save even more time, you can even have the unremembered digits clear every time you make a call. This app is perfect if you have to call numbers such as (123) 456-0000, (123) 456-1111, or (123) 456-2222 in your day to day. See our privacy policy at https://shortribstudios.weebly.com/privacy-policy.html/
Screenshots
Verdict
The clearest difference is in-app purchases: PreDialer at none against Prefix Dialer Pro's 2. PreDialer also leads on ratings volume (3 vs 1). On price, rating, ads 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
Both are free to download. Prefix Dialer Pro sells 2 one-off in-app purchases. PreDialer asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Prefix Dialer Pro against 5.0 for PreDialer. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
| Parameter | Prefix Dialer Pro | PreDialer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 8 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 4 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Raymond Ho | Edward Kim |
Customer experience
Prefix Dialer Pro
PreDialer
In-app purchases
Prefix Dialer Pro
- Additional Set of 5 Prefixes and 5 Replacers$0.99
- Set of 5 prefixes and 5 replacers$0.99
PreDialer
No in-app purchases





