# SmartZ vs FastDDNS

The clearest difference is in-app purchases: SmartZ at none against FastDDNS's 3. SmartZ also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). FastDDNS's advantage is update cadence (every 11 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. FastDDNS sells 3 in-app purchases, starting at $19.99 per year. SmartZ asks for nothing beyond the download.

SmartZ ships an update every 8 months, FastDDNS every 11 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SmartZ | FastDDNS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartz/id1474448099/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 153 MB | 57 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [I.O.T. Workz Pte. Ltd.](https://appshunter.io/developer/1474448098) | [Minh Nguyen](https://appshunter.io/developer/1659587744) |

## What reviewers say

### SmartZ

[App page](https://appshunter.io/ios/app/smartz/id1474448099)

Control your home appliances remotely and manage multiple devices with ease. Set timers for automated actions, share device access with family, and configure custom scenarios for specific events.

**Highlights:** Remote appliance control, Simultaneous multi-device management, Automated timers, Family device sharing, Easy device connection, Customizable scenarios

**In-app purchases:** none


### 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 SmartZ free?

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

### Is FastDDNS free?

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

### Do SmartZ or FastDDNS have ads?

FastDDNS shows ads; SmartZ does not.

### Which is updated more often, SmartZ or FastDDNS?

SmartZ ships an update every 8 months, and FastDDNS every 11 days. Most recently, SmartZ was updated on October 12, 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.*