# KB Tools vs FastDDNS

The clearest difference is update cadence: KB Tools at every 2 days against FastDDNS's every 11 days. KB Tools also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KB Tools sells 1 in-app purchase, starting at $1.99 per month and FastDDNS sells 3 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

KB Tools ships an update every 2 days, FastDDNS every 11 days. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KB Tools | FastDDNS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 11 days |
| Size | 57 MB | 57 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kristoffer Bjoernvik](https://appshunter.io/developer/1718997880) | [Minh Nguyen](https://appshunter.io/developer/1659587744) |

## What reviewers say

### KB Tools

[App page](https://appshunter.io/ios/app/kb-tools/id6475605593)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KB Tools No Ads | $1.99 | per month |


### FastDDNS

[App page](https://appshunter.io/ios/app/fastddns-ddns-and-network-tools/id6759514262)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Basic Yearly | $19.99 | per year |
| Premium Pro Yearly | $34.99 | per year |
| Premium Business Yearly | $69.99 | per year |


## Frequently asked questions

### Is KB Tools free?

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

### Is FastDDNS free?

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

### Do KB Tools or FastDDNS have ads?

Both KB Tools and FastDDNS show ads.

### Which is updated more often, KB Tools or FastDDNS?

KB Tools ships an update every 2 days, and FastDDNS every 11 days. Most recently, KB Tools was updated on October 25, 2026 and FastDDNS on October 10, 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.*