# DNS Toolkit vs 0Day

The clearest difference is price: 0Day at Free against DNS Toolkit's $1.99. 0Day also leads on chart position (#195 vs unranked). DNS Toolkit's advantage is in-app purchases (none vs 2) and device support (4 vs 1). On rating, review sentiment, ratings volume and ads there is nothing between them.

0Day is free to download; DNS Toolkit costs $1.99 up front. 0Day sells 2 in-app purchases, starting at $3.99 per month. DNS Toolkit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DNS Toolkit against 5.0 for 0Day. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | DNS Toolkit | 0Day |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/dns-toolkit/id6535647812/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/0day-cve-and-exploit-alerts/id6761655372/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | Paid | **Freemium** |
| Best chart rank | — | **#195** |
| Size | 38 MB | 10 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Linsenmeier](https://appshunter.io/developer/1543220963) | [Richard Lous](https://appshunter.io/developer/1890695617) |

## What reviewers say

### DNS Toolkit

[App page](https://appshunter.io/ios/app/dns-toolkit/id6535647812)

This app offers a suite of DNS diagnostic tools for IT professionals and network administrators. It includes features for performing various DNS lookups, generating and checking SPF, DKIM, DMARC, and CAA records to enhance email security and domain validation.

**Highlights:** DIG command for versatile DNS lookups, Reverse DNS lookups, SPF record generator and checker, DKIM record generator and checker, DMARC record generator and checker, CAA record generator and checker

**Features:** Vision Pro support

**In-app purchases:** none


### 0Day

[App page](https://appshunter.io/ios/app/0day-cve-and-exploit-alerts/id6761655372)

**Currently charting:** #195 Top Grossing · Developer Tools (US App Store)

Receive immediate alerts for zero-day vulnerabilities, supply chain attacks, and compromised packages relevant to your specific technology stack. Get early warnings before they hit the news cycle, enabling proactive security measures.

**Highlights:** Zero-day vulnerability alerts, Supply chain attack notifications, Compromised package warnings, Stack-aware filtering, Early warning system, Push notifications, Full alert archive

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0Day Pro | $3.99 | per month |
| 0Day Pro | $29.99 | per year |


## Frequently asked questions

### Is DNS Toolkit free?

DNS Toolkit costs $1.99, with no in-app purchases.

### Is 0Day free?

0Day is free to download, with in-app purchases available.

### Which has better reviews, DNS Toolkit or 0Day?

DNS Toolkit and 0Day are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do DNS Toolkit or 0Day have ads?

Neither DNS Toolkit nor 0Day shows ads.

---

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