Comparison

Defguard Mobile Client vs ADFastDNS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Defguard Mobile Client

This VPN client offers secure, high-speed connections for organizations using the WireGuard protocol. It features multi-factor authentication, biometric security, and flexible routing options for remote work and public Wi-Fi protection.

Highlights
  • WireGuard protocol support
  • Multi-factor authentication (MFA)
  • Biometric security (FaceID/TouchID)
  • QR code/URL/token onboarding
  • Split tunneling
  • Real-time server synchronization
Features
Read full description

Enterprise VPN client for Defguard on-prem deployments, delivering the speed and reliability of the WireGuard protocol, combined with multi-factor authentication (MFA) and biometric security to protect your organization. DefGuard VPN is a self-hosted, hardware-agnostic VPN solution designed to deliver ultimate security for modern enterprises. Built to replace legacy VPN systems, it leverages cutting-edge technology to ensure robust protection while maintaining flexibility across diverse hardware environments. As an open-source platform, DefGuard empowers organisations with full control over their VPN infrastructure, enabling transparent security auditing and seamless customisation. Its advanced architecture provides a scalable, reliable, and secure alternative that meets the demanding needs of today’s on-premise deployments. Key Defguard features: • Full support for WireGuard® VPN protocol delivering fast, reliable, and private connections • Built-in multi-factor authentication (MFA) options such as biometrics (FaceID/TouchID), TOTP, and external SSO providers for unmatched security • Easy onboarding via secure QR code scanning or URL/token for instant VPN tunnel setup • Flexible routing controls: route all your traffic through VPN or use split tunnelling for selective app traffic • Real-time synchronisation with DefGuard server for updated configurations and seamless connection management • Advanced enterprise-ready features: internal SSO/OIDC integration, email verification, and centralised identity management Use DefGuard Mobile Client to protect your data and privacy when working remotely, accessing public Wi-Fi, or managing sensitive information. Designed for security-conscious professionals and teams who want full control over VPN access and identity verification. Download DefGuard Mobile today to secure your device with the next generation of WireGuard VPN technology and multi-factor authentication.

About

ADFastDNS

Enhance your online privacy and security with a fast, lightweight DNS proxy and system-wide ad blocker. It offers advanced protection against tracking, malware, and censorship with on-device processing for maximum privacy.

Highlights
  • Ultra-fast secure DNS proxy
  • System-wide ad blocking
  • Advanced anti-DPI protection
  • Host Intrusion Detection (HID)
  • Anti-malware and anti-spyware
  • IP and Geo IP firewall
  • DNS over HTTPS (DoH) & QUIC
Features
Read full description

ADFastDNS – DNS Proxy, Ad Blocker & Advanced Threat Detection The only iOS app combining blazing-fast DNS acceleration, system-wide ad blocking, and professional-grade network threat detection processed 100% on your device. No accounts. No logs. No compromise. Security shouldn't be complex. Choose your protection level in one tap right from your Home screen: Minimum: DNS filtering with curated blocklists. Medium: Adds Anti-DPI to defeat deep packet inspection. Max: Adds full on-device intrusion detection (HIDS) with JA4 fingerprinting. Prefer full control? Custom settings remain fully accessible for advanced users. Host Intrusion Detection System (HIDS) ADFastDNS analyzes network traffic in real time without decrypting private content: Beacon Guard: Identifies malware and spyware by detecting persistent connection patterns that evade standard consumer tools. TLS & Hello Packet Anomaly Detection: Uses professional-grade JA4 fingerprinting to score encrypted connections and block malicious payloads before data transmits. IP & Geo Firewall: Blacklist specific IPs or set blocking rules per country. Advanced Exploitation Defense: Native protection against DNS Tunneling, DNS Rebinding, SNI Spoofing, and DNS Data Exfiltration. Advanced Anti-DPI Engine Packet Fragmentation: Intelligently splits TLS and QUIC Crypto ClientHello packets. Adaptive Connection Tuning: Automatically learns whether packet splitting helps or hurts reliability per connection (for TCP/TLS and QUIC connections), adapting locally without external servers. Traffic Shaping: Mimics natural timing patterns to make proxy traffic statistically harder to detect and throttle. Core Features Next-Gen Protocols: Supports DNS over HTTPS (DoH) & DNS over QUIC (DoQ / HTTP/3). Custom DNSoH Endpoints: Compatible with Cloudflare, Google, AdGuard, NextDNS, or any custom URL. System-Wide Blocking: Stop ads and trackers using your favorite filter lists. You can temporarily disable the ADBlocking using the toggle in the widget (no need to open the app) Performance Optimization: On-device DNS cache for instant responses, per-domain proxy routing, and automatic Wi-Fi whitelisting. Network Tools: Local DNS resolver (hosts file), QUIC Connection Migration (RFC 9000), and real-time threat statistics. Privacy & Ecosystem: Configure 2 DNSoH endpoints working together for maximum privacy. Zero data collection, and the ability to extend filtering to other network devices via SOCKS5 proxy. Why ADFastDNS? Unlike heavy VPNs that drain your battery, ADFastDNS operates seamlessly at the transport layer making it faster, lighter, and virtually invisible. It brings enterprise-grade network security straight into the iOS sandbox. Try free for 7 days, unlock forever with a one-time purchase. Take back control of your network today.

Screenshots

Defguard Mobile Client4 screens
ADFastDNS3 screens

Verdict

The call

The clearest difference is rating: Defguard Mobile Client at 5.0 against ADFastDNS's 4.5. Defguard Mobile Client also leads on in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.6). ADFastDNS's advantage is update cadence (weekly vs every 2 months) and ratings volume (6 vs 1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ADFastDNS sells 2 one-off in-app purchases. Defguard Mobile Client asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Defguard Mobile Client holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ADFastDNS has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Defguard Mobile Client ships an update every 2 months, ADFastDNS weekly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 4 level
Defguard Mobile Client versus ADFastDNS: the parameters behind the verdict, then further details
ParameterDefguard Mobile ClientADFastDNS
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (6 ratings)
Positive reviews—100.0% of reviews
Number of ratings16 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size24 MB30 MB
Age rating4+4+
Developerdefguard sp z o.o.Raffaele De Lorenzo

Customer experience

Defguard Mobile Client

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ADFastDNS

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Defguard Mobile Client

No in-app purchases

2 purchases

ADFastDNS

One-time2
  • 14 Days Free TrialFree
  • ADFastDNS Full Unlock$1.99

Questions

Is Defguard Mobile Client free?
Defguard Mobile Client is free to download, with no in-app purchases.
Is ADFastDNS free?
ADFastDNS is free to download, with in-app purchases available.
Which has better reviews, Defguard Mobile Client or ADFastDNS?
Defguard Mobile Client is rated higher. Defguard Mobile Client averages 5.0 out of 5 from 1 ratings, while ADFastDNS averages 4.5 from 6 ratings.
Do Defguard Mobile Client or ADFastDNS have ads?
Neither Defguard Mobile Client nor ADFastDNS shows ads.
Which is updated more often, Defguard Mobile Client or ADFastDNS?
Defguard Mobile Client ships an update every 2 months, and ADFastDNS weekly. Most recently, Defguard Mobile Client was updated on September 8, 2026 and ADFastDNS on September 9, 2026.

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