# ip centrex pro vs Who Is Domain Checker

The clearest difference is iOS requirement: ip centrex pro at 15.0 against Who Is Domain Checker's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 8, 2026.

## The numbers

| Metric | ip centrex pro | Who Is Domain Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/who-is-domain-checker/id6746653816/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 146 MB | 4 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ip telecom](https://appshunter.io/developer/1651661359) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### ip centrex pro

[App page](https://appshunter.io/ios/app/ip-centrex-pro/id6740400840)

**Features:** macOS Compatibility, Siri integration, Vision Pro support

**In-app purchases:** none


### Who Is Domain Checker

[App page](https://appshunter.io/ios/app/who-is-domain-checker/id6746653816)

This utility app quickly checks domain availability, ownership, and expiration dates. It provides detailed DNS records, SSL certificate information, and saves search history for offline access. It also monitors favorite domains with a home screen widget for upcoming expirations.

**Highlights:** Domain availability check, WHOIS record lookup, Domain expiration tracking, DNS record analysis, SSL certificate details, Offline results caching, Home Screen widget

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ip centrex pro free?

ip centrex pro is free to download, with no in-app purchases.

### Is Who Is Domain Checker free?

Who Is Domain Checker is free to download, with no in-app purchases.

### Do ip centrex pro or Who Is Domain Checker have ads?

Neither ip centrex pro nor Who Is Domain Checker shows ads.

### Which is updated more often, ip centrex pro or Who Is Domain Checker?

ip centrex pro ships an update every 3 weeks, and Who Is Domain Checker every 3 weeks. Most recently, ip centrex pro was updated on November 8, 2026 and Who Is Domain Checker on November 8, 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.*