# PrefixPlus vs ZUConverter

The clearest difference is ads: ZUConverter at none against PrefixPlus's shown. ZUConverter also leads on review sentiment (100% vs 72%) and rating (5.0 vs 4.7). PrefixPlus's advantage is update cadence (every 2 months vs every 49 months) and ratings volume (1.1K vs 3). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZUConverter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PrefixPlus has 1.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 72% of PrefixPlus's written reviews are positive against 100% of ZUConverter's.

PrefixPlus ships an update every 2 months, ZUConverter every 49 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PrefixPlus | ZUConverter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/prefixplus-add-the-prefix/id1142430837/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zuconverter/id1260655385/reviews)** |
| Number of ratings | **1.1K** | 3 |
| Positive reviews | 71.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 49 months |
| Monetization | Ad-supported | **Free** |
| Size | 8 MB | 1 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [yasuhiko nagahara](https://appshunter.io/developer/1142430836) | [Phyo Myanmar Kyaw](https://appshunter.io/developer/725292762) |

## What reviewers say

### PrefixPlus

[App page](https://appshunter.io/ios/app/prefixplus-add-the-prefix/id1142430837)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Allows adding prefix numbers to contacts
- 🚀 Efficient batch update of contacts
- 👍 Convenient for users of MVNO services
- 👍 Integrates well with default phone app

**What reviewers complain about**

- 🐛 Crashes or freezes when updating contacts
- 🐛 Inconsistent or incomplete contact updates
- 🔋 Potential for increased data usage or charges

**Reported bugs**

- Crashes on iOS 13.3
- Duplicate contact entries created
- Prefix not applied to all contacts

**Requested features**

- Option to add space between prefix and number
- Support for local/offline contacts
- Ability to selectively update contacts


### ZUConverter

[App page](https://appshunter.io/ios/app/zuconverter/id1260655385)

Effortlessly convert Myanmar fonts between Zawgyi and Unicode formats. This tool automatically detects the font and provides instant conversion, with a history feature for easy reuse. Enjoy a clean interface with light and dark mode support.

**Highlights:** Automatic font detection, Instant Zawgyi to Unicode conversion, Conversion history, Light & Dark Mode support, Copy and share functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PrefixPlus free?

PrefixPlus is free to download, with no in-app purchases.

### Is ZUConverter free?

ZUConverter is free to download, with no in-app purchases.

### Which has better reviews, PrefixPlus or ZUConverter?

ZUConverter is rated higher. PrefixPlus averages 4.7 out of 5 from 1.1K ratings, while ZUConverter averages 5.0 from 3 ratings.

### Do PrefixPlus or ZUConverter have ads?

PrefixPlus shows ads; ZUConverter does not.

### Which is updated more often, PrefixPlus or ZUConverter?

PrefixPlus ships an update every 2 months, and ZUConverter every 49 months. Most recently, PrefixPlus was updated on October 24, 2026 and ZUConverter on October 29, 2026.

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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.*