Comparison

AlertISIMO vs DNS Speed Tester

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

Head to head
About

AlertISIMO

Features
Read full description

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 seamlesslyβ€”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 feesβ€”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 lifeβ€”all for free! Download AlertISIMO today and upgrade your notifications from SMS to smart messaging!

About

DNS Speed Tester

Features
Read full description

DNS Speed Tester β€” 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 β€’ Real-Time Performance Dashboard View live graphs showing DNS response times and latency across multiple providers. β€’ Multiple Testing Protocols Benchmark DNS performance using UDP, TCP, DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and ICMP Ping. β€’ Built-In DNS Providers Compare Google Public DNS, Cloudflare, Quad9, and curated Privacy, Security, Family, and Ad-Blocking DNS categories. β€’ System DNS Detection Automatically detects and benchmarks your current device and network DNS configuration. β€’ Advanced Benchmark Controls Customize test domains, concurrency levels, timeout limits, cache-busting, and latency calculation methods. β€’ Custom DNS Providers Add, edit, and benchmark your own DNS servers. β€’ Import and Export Settings Save, share, and restore DNS configurations using JSON. β€’ Designed for iPhone and iPad Fast, lightweight, and optimized for iOS and iPadOS with automatic Light and Dark Mode support. Perfect For β€’ Gamers looking for lower latency β€’ Privacy-focused users comparing DoH and DoT providers β€’ Home users optimizing browsing performance β€’ Network administrators troubleshooting DNS issues β€’ 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

AlertISIMO4 screens
DNS Speed Tester3 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

AlertISIMO ships an update every 9 days, DNS Speed Tester every 10 days. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

Scorecard1 real difference Β· 5 level
AlertISIMO versus DNS Speed Tester: the parameters behind the verdict, then further details
ParameterAlertISIMODNS Speed Tester
PriceFreeFree
Update frequencyEvery 9 days β€” betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod, Mac β€” better
Requires iOS15.114.0 β€” better
Further details β€” not scored
Size20 MB6 MB
Age rating4+4+
DeveloperXelandru Software SRLVishnu Nampoothiri UK

In-app purchases

None

AlertISIMO

No in-app purchases

None

DNS Speed Tester

No in-app purchases

Questions

Is AlertISIMO free?
AlertISIMO is free to download, with no in-app purchases.
Is DNS Speed Tester free?
DNS Speed Tester is free to download, with no in-app purchases.
Do AlertISIMO or DNS Speed Tester have ads?
Neither AlertISIMO nor DNS Speed Tester shows ads.
Which is updated more often, AlertISIMO or DNS Speed Tester?
AlertISIMO ships an update every 9 days, and DNS Speed Tester every 10 days. Most recently, AlertISIMO was updated on September 29, 2026 and DNS Speed Tester on September 17, 2026.

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