# Domain Check vs JJ Switch

The clearest difference is in-app purchases: JJ Switch at none against Domain Check's 1. JJ Switch also leads on iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Domain Check sells 1 one-off in-app purchase. JJ Switch asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 14 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Domain Check | JJ Switch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/domain-check/id649317039/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | Every 14 months |
| Monetization | Free | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Geekme](https://appshunter.io/developer/823506026) | [KAM WAH HO](https://appshunter.io/developer/1697428473) |

## What reviewers say

### Domain Check

[App page](https://appshunter.io/ios/app/domain-check/id649317039)

Instantly retrieve detailed WHOIS information for any website using real WHOIS servers. Check domain availability, view comprehensive details, and maintain a history of your queries. Supports all top-level domains.

**Highlights:** Real WHOIS server queries, Unlimited queries, All TLD support, Domain availability check, Detailed domain information, Query history

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $0.99 | one-time |


### JJ Switch

[App page](https://appshunter.io/ios/app/jj-switch/id6451279473)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Domain Check free?

Domain Check is free to download, with in-app purchases available.

### Is JJ Switch free?

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

### Do Domain Check or JJ Switch have ads?

Neither Domain Check nor JJ Switch shows ads.

### Which is updated more often, Domain Check or JJ Switch?

Domain Check ships an update every 14 months, and JJ Switch every 14 months. Most recently, Domain Check was updated on October 23, 2026 and JJ Switch on October 25, 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.*