Comparison

DNS Optimizer vs 1Cert

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

Head to head
About

DNS Optimizer

Optimize your internet connection by easily switching DNS servers. Benchmark performance, block unwanted content, and enhance online gaming with secure and private browsing. Supports Wi-Fi and cellular networks on iPhone, iPad, and Mac.

Highlights
  • Switch system-wide DNS configurations
  • Benchmark DNS server performance
  • Pre-configured trusted DNS servers
  • Add custom encrypted DNS servers (DoH/DoT)
  • Block ads and unwanted content
  • Improve online gaming latency
Features
Read full description

Experience faster, safer, and more private internet browsing with DNS Optimizer—the ultimate DNS changer and benchmark app for your iPhone, iPad, and Mac. With this app, you can effortlessly switch between DNS servers, benchmark their performance, and customize your DNS settings to optimize your internet connection. Change DNS Server Enhance your browsing experience by easily changing system-wide DNS configurations. DNS Optimizer seamlessly integrates with your iPhone (iOS), iPad (iPadOS), and Mac (macOS), allowing you to configure DNS for both Wi‑Fi and cellular networks using your device’s built-in network settings—no VPN required. Pre-configured DNS Servers Quickly connect to fast, secure, and reliable pre-configured servers. Choose from trusted providers such as Cloudflare DNS (1.1.1.1), Google Public DNS (8.8.8.8), Quad9 (9.9.9.9), Cisco OpenDNS, AdGuard, CleanBrowsing, Control D, and dns0.eu. Add Custom DNS Servers Go beyond the defaults by setting up your own advanced, encrypted configurations. Enjoy integrated support for DNS over HTTPS (DoH), DNS over TLS (DoT), IPv4, and IPv6—giving you complete control over your DNS settings. (Available in the Pro version) Run DNS Benchmark Find the fastest DNS server for your network and location with advanced latency tests. You can easily measure and compare performance across multiple servers, including those that support encrypted protocols like DNS-over-HTTPS and DNS-over-TLS. Block Unwanted Content Take control of your browsing experience by choosing DNS servers designed for ad blocking, malicious content filtering, or parental controls (adult content filtering). Easily block unwanted content, protect your family, and keep your online activities secure and private. Improve Your Online Gaming Experience When every millisecond counts, your DNS configuration can be a game-changer. If your default or ISP-provided DNS server isn’t up to the task, you could experience lag, high ping, and other latency issues. Use this app to connect to the best DNS server for your connection and enjoy a smoother, more responsive gaming experience. Privacy: https://dnsoptimizer.app/privacy/ Terms: https://dnsoptimizer.app/terms/

About

1Cert

Features
Read full description

1Cert is a secure credential verification and compliance platform for companies. Instantly verify credentials, manage site requirements, and share verified records with confidence.

Screenshots

DNS Optimizer4 screens
1Cert4 screens

Verdict

The call

The clearest difference is in-app purchases: 1Cert at none against DNS Optimizer's 2. 1Cert also leads on iOS requirement (15.1 vs 17.0). DNS Optimizer's advantage is update cadence (every 11 days vs every 2 months). 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. DNS Optimizer sells 2 one-off in-app purchases. 1Cert asks for nothing beyond the download.

UpkeepUpdate frequency

DNS Optimizer ships an update every 11 days, 1Cert every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
DNS Optimizer versus 1Cert: the parameters behind the verdict, then further details
ParameterDNS Optimizer1Cert
PriceFreeFree
Rating4.7 (81 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings81 — better—
Update frequencyEvery 11 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size9 MB31 MB
Age rating4+4+
DeveloperATAKAN YILDIRIMSureHire Inc.

In-app purchases

2 purchases

DNS Optimizer

One-time2
  • DNS Optimizer Pro$9.99
  • DNS Optimizer Pro$19.99
None

1Cert

No in-app purchases

Questions

Is DNS Optimizer free?
DNS Optimizer is free to download, with in-app purchases available.
Is 1Cert free?
1Cert is free to download, with no in-app purchases.
Do DNS Optimizer or 1Cert have ads?
Neither DNS Optimizer nor 1Cert shows ads.
Which is updated more often, DNS Optimizer or 1Cert?
DNS Optimizer ships an update every 11 days, and 1Cert every 2 months. Most recently, DNS Optimizer was updated on October 24, 2026 and 1Cert on October 25, 2026.

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