# RollGuard vs Domain Checker

The clearest difference is monetization model: Domain Checker at free against RollGuard's free with in-app purchases. Domain Checker also leads on iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. RollGuard sells 1 one-off in-app purchase and Domain Checker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for RollGuard against 5.0 for Domain Checker. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

RollGuard ships an update every 4 days, Domain Checker weekly. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RollGuard | Domain Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/rollguard/id6792159185/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/domain-checker-dns-and-ssl/id6792293532/reviews) |
| Number of ratings | **4** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 9 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [David Smith](https://appshunter.io/developer/1834562089) | [超 张](https://appshunter.io/developer/1895478141) |

## What reviewers say

### RollGuard

[App page](https://appshunter.io/ios/app/rollguard/id6792159185)

This app scans your camera roll for sensitive documents like IDs, credit cards, and password screenshots. It works entirely on your device, even in Airplane Mode, and helps you manage private images before selling a device or sharing your phone.

**Highlights:** Scans for IDs, credit cards, and password screenshots, On-device scanning, works offline, Flags sensitive photos like WiFi labels, Supports documents from 180 countries, Option to keep, hide, or delete flagged images, Free tier scans last 30 days completely

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RollGuard Pro | $19.99 | one-time |


### Domain Checker

[App page](https://appshunter.io/ios/app/domain-checker-dns-and-ssl/id6792293532)

This app provides comprehensive domain diagnostics for developers and administrators. It offers quick analysis of DNS records, SSL certificates, HTTP responses, WHOIS information, and email security configurations from a single interface.

**Highlights:** DNS record lookup, SSL certificate inspection, HTTP response analysis, WHOIS domain information, Email security check, All-in-one domain diagnostics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Domain Inspector Plus 50 | $0.99 | one-time |
| Domain Inspector Pro 100 | $1.99 | one-time |


## Frequently asked questions

### Is RollGuard free?

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

### Is Domain Checker free?

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

### Which has better reviews, RollGuard or Domain Checker?

RollGuard and Domain Checker are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do RollGuard or Domain Checker have ads?

Neither RollGuard nor Domain Checker shows ads.

### Which is updated more often, RollGuard or Domain Checker?

RollGuard ships an update every 4 days, and Domain Checker weekly. Most recently, RollGuard was updated on October 25, 2026 and Domain Checker on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*