# Whois Master vs OpenSpam

The clearest difference is review sentiment: Whois Master at 100% against OpenSpam's 50%. Whois Master also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.6). 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.

Whois Master ships an update every 2 weeks, OpenSpam every 3 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Whois Master | OpenSpam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/openspam/id6755652998/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 5 MB | 19 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Emre Keles](https://appshunter.io/developer/1780421225) | [Joaquin Garcia](https://appshunter.io/developer/657238286) |

## 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


### OpenSpam

[App page](https://appshunter.io/ios/app/openspam/id6755652998)

This app identifies and blocks unwanted calls using a community-powered database and a risk score algorithm. It offers customizable blocking levels and ensures user privacy by not collecting personal data or accessing contacts for commercial purposes.

**Highlights:** Instant call identification, Customizable blocking levels, Community reporting, Built-in search for suspicious numbers, Allowlist for trusted numbers, Ad-free experience

**In-app purchases:** none


## Frequently asked questions

### Is Whois Master free?

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

### Is OpenSpam free?

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

### Do Whois Master or OpenSpam have ads?

Neither Whois Master nor OpenSpam shows ads.

### Which is updated more often, Whois Master or OpenSpam?

Whois Master ships an update every 2 weeks, and OpenSpam every 3 weeks. Most recently, Whois Master was updated on October 6, 2026 and OpenSpam on October 10, 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.*