# ISC DNS Checker vs xiaoman

The clearest difference is rating: ISC DNS Checker at 3.0 against xiaoman's 1.0. ISC DNS Checker also leads on in-app purchases (none vs 10) and iOS requirement (9.0 vs 15.0). xiaoman's advantage is update cadence (every 3 weeks vs every 15 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. xiaoman sells 10 one-off in-app purchases. ISC DNS Checker asks for nothing beyond the download.

ISC DNS Checker holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ISC DNS Checker ships an update every 15 months, xiaoman every 3 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ISC DNS Checker | xiaoman |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/isc-dns-checker/id1141834002/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/xiaoman-dns/id6615085523/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 34 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Internet Systems Consortium, Inc.](https://appshunter.io/developer/1115648879) | [DE EASTRISE BPO SDN. BHD.](https://appshunter.io/developer/1761596315) |

## What reviewers say

### ISC DNS Checker

[App page](https://appshunter.io/ios/app/isc-dns-checker/id1141834002)

This application tests recursive DNS servers for compliance with current DNS protocol specifications, particularly EDNS(0). It can automatically detect your device's DNS servers or allow manual IP address input for testing. Both IPv4 and IPv6 are supported.

**Highlights:** Tests DNSSEC compliance, Tests EDNS(0) conformance, Automatic DNS server detection, Manual IP address input, IPv4 and IPv6 support

**Features:** macOS Compatibility

**In-app purchases:** none


### xiaoman

[App page](https://appshunter.io/ios/app/xiaoman-dns/id6615085523)

This DNS client tool allows developers to customize and manage DNS functionalities. It supports multiple transmission protocols, a hosts whitelist, and manual DNS server settings. The app also includes DNS request caching for faster access and IPv6 support.

**Highlights:** Multiple transmission protocols (TCP, UDP, TLS, HTTP), Hosts whitelist support, Manual DNS server settings, DNS request caching, IPv6 DNS protocol support, List of common DNS servers

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| com.id3.month_price | $5.99 | one-time |
| com.id4.month_price | $7.99 | one-time |
| com.id2.quarter_price | $9.99 | one-time |
| com.id3.quarter_price | $12.99 | one-time |
| id4quarter_price | $14.99 | one-time |
| com.id2.half_year_price | $19.99 | one-time |
| com.id2.year_price | $29.99 | one-time |
| com.id4.half_year_price | $29.99 | one-time |
| com.id3.year_price | $39.99 | one-time |
| com.id4.year_price | $44.99 | one-time |


## Frequently asked questions

### Is ISC DNS Checker free?

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

### Is xiaoman free?

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

### Which has better reviews, ISC DNS Checker or xiaoman?

ISC DNS Checker is rated higher. ISC DNS Checker averages 3.0 out of 5 from 1 ratings, while xiaoman averages 1.0 from 1 ratings.

### Do ISC DNS Checker or xiaoman have ads?

Neither ISC DNS Checker nor xiaoman shows ads.

### Which is updated more often, ISC DNS Checker or xiaoman?

ISC DNS Checker ships an update every 15 months, and xiaoman every 3 weeks. Most recently, ISC DNS Checker was updated on October 21, 2026 and xiaoman on October 25, 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.*