PrefixPlus vs Contacts Prefix Fixer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrefixPlus
Easily add international or custom prefixes to all your phone numbers in contacts simultaneously. This utility helps manage multiple contact entries for different calling regions without overwriting existing numbers. Ensure you back up your contacts before use.
- Add prefixes to multiple contacts at once
- Does not overwrite existing numbers
- Customizable prefix numbers
- Customizable label for new entries
- Supports iCloud and Gmail synchronized contacts
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PrefixPlus allows you to add the prefix number to phone numbers in Contacts at once. Phone numbers with the prefix number will not be replaced but added to contacts. For example, if you set the number "+81" and the label "Call(JP)", contacts will be updated as follows. [Before update] Home: 03-1234-5678 Mobile: 090-1234-5678 [After update] Home: 03-1234-5678 Mobile: 090-1234-5678 Call(JP) Home: +81-3-1234-5678 Call(JP) Mobile: +81-90-1234-5678 (Caution) Be sure to back up contacts as security against accidents. For example, if you back up to iCloud, you can restore contacts at some point in the past. Please note that you can add prefix numbers to contacts synchronized with local, iCloud, Gmail only.
Contacts Prefix Fixer
Easily edit the prefix number for your contacts. Add country codes or other prefixes to all your phone numbers in one go. This utility simplifies managing international or specific dialing formats for your contacts.
- Edit contact phone number prefixes
- Add country codes
- Batch prefix modification
- Easy to use interface
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This program is used for editing your prefix phone number in contact easily. For example: if your contacts contain a phone number 0902145545 you can easy to add +84 to prefix of phone number to get +84902145545.
Screenshots
Verdict
The clearest difference is rating: PrefixPlus at 4.7 against Contacts Prefix Fixer's 1.0. PrefixPlus also leads on update cadence (every 2 months vs every 14 months) and ratings volume (1.1K vs 1). Contacts Prefix Fixer's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
PrefixPlus holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: PrefixPlus has 1.1K ratings behind it against 1, so its average is the more settled of the two.
PrefixPlus ships an update every 2 months, Contacts Prefix Fixer every 14 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | PrefixPlus | Contacts Prefix Fixer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 71.8% of reviews | — |
| Number of ratings | 1.1K — better | 1 |
| Update frequency | Every 2 months — better | Every 14 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | yasuhiko nagahara | Cuong Luu Hung |
Customer experience
PrefixPlus
Contacts Prefix Fixer
Bugs and requests
PrefixPlus
Reported bugs
3 issues- Crashes on iOS 13.3
- Duplicate contact entries created
- Prefix not applied to all contacts
Requested features
3 requests- Option to add space between prefix and number
- Support for local/offline contacts
- Ability to selectively update contacts
Contacts Prefix Fixer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PrefixPlus
No in-app purchases
Contacts Prefix Fixer
No in-app purchases
Questions
Is PrefixPlus free?
Is Contacts Prefix Fixer free?
Which has better reviews, PrefixPlus or Contacts Prefix Fixer?
Do PrefixPlus or Contacts Prefix Fixer have ads?
Which is updated more often, PrefixPlus or Contacts Prefix Fixer?
Other comparisons
