# DomainDig vs Maskduck

The clearest difference is in-app purchases: DomainDig at none against Maskduck's 1. Maskduck's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Maskduck sells 1 one-off in-app purchase. DomainDig asks for nothing beyond the download.

DomainDig ships an update fortnightly, Maskduck weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | DomainDig | Maskduck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/domaindig/id6760368004/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 9 MB | 1 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christian Cleberg](https://appshunter.io/developer/1883866326) | [雨燕 杨](https://appshunter.io/developer/1842354750) |

## What reviewers say

### DomainDig

[App page](https://appshunter.io/ios/app/domaindig/id6760368004)

Inspect domains with comprehensive diagnostics including DNS records, SSL certificates, email security, and HTTP headers. Monitor changes, compare domains, and export data in various formats. Local-first design ensures your data stays private.

**Highlights:** DNS record lookup (A, MX, TXT, etc.), SSL/TLS certificate chain inspection, Email security record parsing (SPF, DMARC), HTTP header analysis, Redirect chain tracing, Port scanning and latency measurement, IP geolocation and mapping, Domain ownership and subdomain discovery

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

**In-app purchases:** none


### Maskduck

[App page](https://appshunter.io/ios/app/maskduck/id6762729063)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is DomainDig free?

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

### Is Maskduck free?

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

### Do DomainDig or Maskduck have ads?

Neither DomainDig nor Maskduck shows ads.

### Which is updated more often, DomainDig or Maskduck?

DomainDig ships an update fortnightly, and Maskduck weekly. Most recently, DomainDig was updated on October 31, 2026 and Maskduck on October 31, 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.*