# Domain Check vs S5

The clearest difference is in-app purchases: S5 at none against Domain Check's 1. S5 also leads on update cadence (every 3 months vs every 14 months) and iOS requirement (7.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Domain Check sells 1 one-off in-app purchase. S5 asks for nothing beyond the download.

Domain Check ships an update every 14 months, S5 every 3 months. The most recent releases landed on August 30, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Domain Check | S5 |
| --- | --- | --- |
| 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 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 78 MB |
| Requires iOS | 17.0 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Geekme](https://appshunter.io/developer/823506026) | [SikkertHjem ApS](https://appshunter.io/developer/663727427) |

## 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 |


### S5

[App page](https://appshunter.io/ios/app/s5-touch/id950172913)

**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 S5 free?

S5 is free to download, with no in-app purchases.

### Do Domain Check or S5 have ads?

Neither Domain Check nor S5 shows ads.

### Which is updated more often, Domain Check or S5?

Domain Check ships an update every 14 months, and S5 every 3 months. Most recently, Domain Check was updated on August 30, 2026 and S5 on September 15, 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.*