Comparison

SimAlert vs Simfly Companion

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

Head to head
About

SimAlert

This app provides real-time notifications for virtual pilots and air traffic controllers on VATSIM and IVAO networks. It alerts users when entering controlled airspace or when favorite controllers go online. Features include a live coverage map and flight path visualization.

Highlights
  • Real-time ATC coverage map
  • Controlled airspace entry notifications
  • Favorite controller tracking
  • Flight path visualization
  • Multi-network support (VATSIM/IVAO)
  • Multiple callsign tracking
Features
Read full description

SimAlert is the essential companion app for virtual pilots and air traffic controllers on VATSIM and IVAO networks. Never miss controlled airspace or your favorite controllers with real-time notifications and an interactive coverage map. For Virtual Pilots Our detection system monitors your flight and instantly notifies you when entering controlled airspace. Whether it's Center, Approach, Tower, or Ground - SimAlert ensures you're always aware of ATC presence. For ATC Enthusiasts Follow your favorite controllers and receive notifications when they come online or go offline. Perfect for pilots who want to fly with specific controllers or track activity at favorite airports. Live Coverage Map Visualize ATC coverage in real-time with our interactive map. See which FIRs and airports have active controllers at a glance. Your tracked flight appears with a complete route from origin to destination. Key Features: • Live Coverage Map - Real-time ATC coverage across VATSIM and IVAO • Flight Path Visualization - See your tracked flight on the map • Dual Mode - Track flights for coverage OR follow specific controllers • Multi-Network Support - Works with both VATSIM and IVAO • Multiple Callsign Tracking - Monitor multiple aircraft simultaneously • Controller Tracking - Know when specific controllers start or end sessions • Real-Time Monitoring - Updates every 15 seconds • Dark Mode - Easy on the eyes during long sessions • Battery Efficient - Optimized background processing How It Works: For Pilots: 1. Register your callsign in the Pilot tab 2. View live coverage on the Map tab 3. Receive notifications when entering ATC coverage For ATC Tracking: 1. Add controller callsigns in the ATC tab 2. Get notified when they come online or go offline Coverage Types Detected: • Flight Information Regions (FIR/UIR) • Approach, Tower, and Ground zones • Oceanic and special event areas • All positions from DEL to CTR Privacy First: SimAlert only tracks callsigns you explicitly register. Your privacy is our priority. Background Operation: SimAlert works silently in the background - we'll alert you when it matters. Perfect for long oceanic crossings or when away from your simulator. Note: Requires active flights/controllers on VATSIM or IVAO. Internet connection required. Not affiliated with VATSIM or IVAO. Transform your virtual aviation experience with SimAlert!

About

Simfly Companion

Features
Read full description

SF Companion is an unofficial third-party companion app for the Simfly flight simulation network (simfly.io). Track everything that matters to your Simfly account: flights, fleet, airports, licenses, and earnings, all from your iPhone and iPad. FLIGHTS See your active and recent flights in real time. Monitor your current mission’s progress, elapsed time, route, altitude, and ground speed. Keep an eye on friends’ flights and live traffic on your owned aircraft and airports. FLEET Browse your full aircraft inventory with mission status, current location, and callsign. Filter by type, category, or status to find exactly what you’re looking for. AIRPORTS Get a complete overview of your owned airports with live traffic and category filters. Tap any airport to see incoming and outgoing flights at a glance. LICENSES Track your license progress and status across all your accounts in one unified view. EARNINGS Break down your PAX earnings by category: licenses, owned aircraft, owned airports, airport visits, bonuses, and rentals. Switch between current week, last week, and last month ranges instantly. GOALS Set asset purchase goals and see a days-to-afford estimate based on your recent earnings. Stay focused on what you’re saving toward. STATS View your pilot stats fetched directly from your Simfly account. MULTI-ACCOUNT SUPPORT Add and manage multiple Simfly accounts. Switch between them seamlessly across all views. SHAKE FOR PAX SNAPSHOT Shake your device at any time to get an instant PAX snapshot across all your accounts. No need to navigate anywhere. SF Companion is an independent project and is not affiliated with or maintained by Simfly. All flight and account data is fetched from Simfly’s public network.

Screenshots

SimAlert4 screens
Simfly Companion4 screens

Verdict

The call

The clearest difference is price: Simfly Companion at Free against SimAlert's $2.99. SimAlert's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases 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

Simfly Companion is free to download; SimAlert costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SimAlert ships an update every 9 days, Simfly Companion every 3 weeks. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
SimAlert versus Simfly Companion: the parameters behind the verdict, then further details
ParameterSimAlertSimfly Companion
Price$2.99Free — better
Rating3.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size23 MB48 MB
Age rating9+4+
DeveloperELEFTHERIOS KOROROSMatheo Fiebiger

In-app purchases

None

SimAlert

No in-app purchases

None

Simfly Companion

No in-app purchases

Questions

Is SimAlert free?
SimAlert costs $2.99, with no in-app purchases.
Is Simfly Companion free?
Simfly Companion is free to download, with no in-app purchases.
Do SimAlert or Simfly Companion have ads?
Neither SimAlert nor Simfly Companion shows ads.
Which is updated more often, SimAlert or Simfly Companion?
SimAlert ships an update every 9 days, and Simfly Companion every 3 weeks. Most recently, SimAlert was updated on October 28, 2026 and Simfly Companion on October 22, 2026.

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