# ZeroAds vs Kodura Subnet Calculator

The clearest difference is in-app purchases: Kodura Subnet Calculator at none against ZeroAds's 3. Kodura Subnet Calculator also leads on update cadence (daily vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroAds sells 3 in-app purchases, starting at $1.99 per month. Kodura Subnet Calculator asks for nothing beyond the download.

ZeroAds ships an update every 5 weeks, Kodura Subnet Calculator daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ZeroAds | Kodura Subnet Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/zeroads-dns-ad-blocker/id6771423285/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Aifinity Solutions](https://appshunter.io/developer/1747988830) | [Kodura LLC](https://appshunter.io/developer/1881658044) |

## What reviewers say

### ZeroAds

[App page](https://appshunter.io/ios/app/zeroads-dns-ad-blocker/id6771423285)

This app modifies your device's DNS settings to block ads and trackers across apps and Safari. It offers various free filter lists and includes a Safari content blocker for comprehensive ad removal without using a VPN.

**Highlights:** DNS resolver modification, Multiple free filter lists, Safari content blocker, No VPN usage, Instant filtering on/off, AdGuard, Cloudflare, Quad9 integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime | $19.99 | one-time |


### Kodura Subnet Calculator

[App page](https://appshunter.io/ios/app/kodura-subnet-calculator/id6811453029)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeroAds free?

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

### Is Kodura Subnet Calculator free?

Kodura Subnet Calculator is free to download, with no in-app purchases.

### Do ZeroAds or Kodura Subnet Calculator have ads?

Neither ZeroAds nor Kodura Subnet Calculator shows ads.

### Which is updated more often, ZeroAds or Kodura Subnet Calculator?

ZeroAds ships an update every 5 weeks, and Kodura Subnet Calculator daily. Most recently, ZeroAds was updated on November 5, 2026 and Kodura Subnet Calculator 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.*