AlertISIMO vs DNS Speed Tester
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AlertISIMO
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AlertISIMO: Your Smart Alternative to SMS! Ditch the clutter of traditional SMS and experience a smarter way to stay connected with businesses you care about. With AlertISIMO, all your updates, appointments, and notifications are delivered seamlessly—no spam, no hassle. Why Choose AlertISIMO? Instant Notifications: Skip SMS. Receive updates directly from businesses using your phone number, all in one clean, organized app. AI-Powered Categories: No more hunting through endless messages. AlertISIMO Organised updates into categories like: -Appointments -Order Tracking -Confirmations And more! Quick Actions at Your Fingertips: Add appointments to your calendar instantly. - Track your orders in real time. - Confirm orders or appointments with one tap. - Completely Free for Users - No subscriptions, no fees—just smarter notifications. Why AlertISIMO is Better Unlike SMS, AlertISIMO offers: - Organised, spam-free notifications. - Quick actions to save you time. - A better way to manage your life—all for free! Download AlertISIMO today and upgrade your notifications from SMS to smart messaging!
DNS Speed Tester
This utility tool analyzes and compares the speed, latency, and reliability of various DNS servers in real-time. It helps users identify the fastest and most dependable DNS provider for their network to improve internet performance.
- Real-Time Performance Dashboard
- Multiple Testing Protocols (UDP, TCP, DoH, DoT, ICMP)
- Built-In and Custom DNS Provider Benchmarking
- System DNS Detection
- Advanced Benchmark Controls
- Import and Export Settings
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DNS Speed Tester — Find the Fastest DNS for Your Network Slow websites, high latency, or unreliable connections? Your DNS provider could be the bottleneck. DNS Speed Tester is a powerful DNS benchmark tool that measures and compares the speed, latency, and reliability of DNS servers in real time, directly from your iPhone or iPad. Every website, app, game, and online service depends on DNS. If your ISP's default DNS is slow or overloaded, your internet experience can feel sluggish. DNS Speed Tester helps you benchmark popular DNS providers against your current configuration so you can find the fastest and most reliable DNS server for your network. Features • Real-Time Performance Dashboard View live graphs showing DNS response times and latency across multiple providers. • Multiple Testing Protocols Benchmark DNS performance using UDP, TCP, DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and ICMP Ping. • Built-In DNS Providers Compare Google Public DNS, Cloudflare, Quad9, and curated Privacy, Security, Family, and Ad-Blocking DNS categories. • System DNS Detection Automatically detects and benchmarks your current device and network DNS configuration. • Advanced Benchmark Controls Customize test domains, concurrency levels, timeout limits, cache-busting, and latency calculation methods. • Custom DNS Providers Add, edit, and benchmark your own DNS servers. • Import and Export Settings Save, share, and restore DNS configurations using JSON. • Designed for iPhone and iPad Fast, lightweight, and optimized for iOS and iPadOS with automatic Light and Dark Mode support. Perfect For • Gamers looking for lower latency • Privacy-focused users comparing DoH and DoT providers • Home users optimizing browsing performance • Network administrators troubleshooting DNS issues • IT professionals validating DNS performance DNS Speed Tester provides accurate DNS benchmarking and performance analysis, helping you choose the best DNS service for speed, reliability, privacy, and security. Free. No account required. No telemetry. Just fast, accurate DNS benchmarking.
Screenshots
Verdict
The clearest difference is device support: DNS Speed Tester at 4 against AlertISIMO's 2. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AlertISIMO ships an update every 9 days, DNS Speed Tester every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | AlertISIMO | DNS Speed Tester |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Xelandru Software SRL | Vishnu Nampoothiri UK |
In-app purchases
AlertISIMO
No in-app purchases
DNS Speed Tester
No in-app purchases









