# ISC Dig vs DNS Mail Info

The clearest difference is update cadence: DNS Mail Info at every 2 days against ISC Dig's every 10 months. ISC Dig's advantage is iOS requirement (9.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISC Dig ships an update every 10 months, DNS Mail Info every 2 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ISC Dig | DNS Mail Info |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/isc-dig/id1115648880/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 26 MB | 3 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Internet Systems Consortium, Inc.](https://appshunter.io/developer/1115648879) | [BEHR Consulting International](https://appshunter.io/developer/385816833) |

## What reviewers say

### ISC Dig

[App page](https://appshunter.io/ios/app/isc-dig/id1115648880)

Perform DNS lookups on your iOS device. This utility allows you to enter a domain name and retrieve its DNS records, supporting many options from the command-line version.

**Highlights:** Perform DNS lookups, Retrieve DNS records, Supports command-line options, iOS port of 'dig' command

**Features:** macOS Compatibility

**In-app purchases:** none


### DNS Mail Info

[App page](https://appshunter.io/ios/app/dns-mail-info/id6484502460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISC Dig free?

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

### Is DNS Mail Info free?

DNS Mail Info is free to download, with no in-app purchases.

### Do ISC Dig or DNS Mail Info have ads?

Neither ISC Dig nor DNS Mail Info shows ads.

### Which is updated more often, ISC Dig or DNS Mail Info?

ISC Dig ships an update every 10 months, and DNS Mail Info every 2 days. Most recently, ISC Dig was updated on October 10, 2026 and DNS Mail Info on October 2, 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.*