# DNS Firewall vs Synergy Smart Box

DNS Firewall and Synergy Smart Box are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 12 months. The most recent releases landed on June 9, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | DNS Firewall | Synergy Smart Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dns-firewall/id1635323870/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | Every 12 months |
| Monetization | Free | — |
| Size | 9 MB | 203 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ORYXLABS TECHNOLOGIES - SOLE PROPRIETORSHIP LLC](https://appshunter.io/developer/1632897136) | [Synergy Security Solutions LTD](https://appshunter.io/developer/1760359222) |

## What reviewers say

### DNS Firewall

[App page](https://appshunter.io/ios/app/dns-firewall/id1635323870)

This app acts as a DNS-based security solution, protecting your device from malicious web content by analyzing and blocking harmful domains in real-time. It secures your DNS traffic across any network, whether you're on corporate Wi-Fi or public hotspots.

**Highlights:** Real-time DNS query analysis, Blocks malicious domains, Secures DNS traffic globally, Supports corporate and public Wi-Fi, MDM bulk deployment for supervised devices, One-time authentication code for BYOD

**Features:** macOS Compatibility

**In-app purchases:** none


### Synergy Smart Box

[App page](https://appshunter.io/ios/app/synergy-smart-box/id6593689271)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DNS Firewall free?

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

### Is Synergy Smart Box free?

Synergy Smart Box is free to download, with no in-app purchases.

### Do DNS Firewall or Synergy Smart Box have ads?

Neither DNS Firewall nor Synergy Smart Box shows ads.

### Which is updated more often, DNS Firewall or Synergy Smart Box?

DNS Firewall ships an update every 12 months, and Synergy Smart Box every 12 months. Most recently, DNS Firewall was updated on June 9, 2026 and Synergy Smart Box on August 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.*