# Whois Master vs Crypt Secure

The clearest difference is in-app purchases: Whois Master at none against Crypt Secure's 2. Whois Master also leads on iOS requirement (15.6 vs 17.0). Crypt Secure's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Crypt Secure sells 2 in-app purchases, starting at $0.99 per month. Whois Master asks for nothing beyond the download.

Whois Master ships an update every 2 weeks, Crypt Secure every 2 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Whois Master | Crypt Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crypt-secure/id6755497858/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 5 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Emre Keles](https://appshunter.io/developer/1780421225) | [ZANE LEWIS FREEMAN](https://appshunter.io/developer/1854239928) |

## What reviewers say

### Whois Master

[App page](https://appshunter.io/ios/app/whois-master/id6738364976)

This utility app allows users to perform comprehensive web lookups. It provides access to domain information, DNS records, SSL certificate details, and IP address tracking. It's designed to be a fast, reliable, and user-friendly tool for exploring essential web data.

**Highlights:** Domain lookups, DNS record access, SSL certificate details, IP address tracking, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### Crypt Secure

[App page](https://appshunter.io/ios/app/crypt-secure/id6755497858)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CRYPT Pro Monthly | $0.99 | per month |
| CRYPT Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Whois Master free?

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

### Is Crypt Secure free?

Crypt Secure is free to download, with in-app purchases available.

### Do Whois Master or Crypt Secure have ads?

Neither Whois Master nor Crypt Secure shows ads.

### Which is updated more often, Whois Master or Crypt Secure?

Whois Master ships an update every 2 weeks, and Crypt Secure every 2 days. Most recently, Whois Master was updated on October 6, 2026 and Crypt Secure on October 24, 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.*