PORTSIDE FOS vs Eventzilla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PORTSIDE FOS
This app provides aviation professionals with essential flight planning and scheduling tools on their mobile devices. Access aircraft schedules, crew duty times, flight logs, and trip details, with offline capabilities for use in flight. It integrates with desktop companion applications and international trip support services.
- Aircraft Schedules
- Trip and Leg Details
- Crew Duty Times
- Flight Log Entry
- Expense Submission
- Offline Airport Directory
- Weather and NOTAMs
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The new FOS Mobile App for iPhone and iPad brings all the essentials of scheduling and flight planning to your fingertips. A must have app for aviation professionals on the go. Works online and offline. FOS Mobile requires FOS companion desktop application (version 3.11.4 or later) and/or International Trip Support Services, provided by Rockwell Collins ARINCDirect Flight Services. Flight Operations System (FOS) on the go with access to: - Aircraft Schedules - Trip and Leg Details - Crew Duty times and Briefing - Flight log Entry - Expense Submission - Maintenance Item Visibility - Safety and Service Issues - Document Management - ARINCDirect Flight planning Integration - Flight Risk and Fatigue Integrations Tools Rockwell Collins International Trip Support including: - Trip Creation and Submission - Complete Trip Details - Access to Permits and Handling Information Included for the iPad is a Worldwide offline Airport Directory: - Lookup Airport information when offline in flight - Text weather (Metars, Tafs, Pireps, FD Winds, 7 day forecast) - Notams (all types) - Rockwell Collins Fuel Prices - Hotels (vendors/FBOS) - Local area information
Eventzilla
Access event details, participate in activities, and plan your schedule. Connect with private event communities and explore venue maps. Organizers can create engaging mobile experiences.
- Join private event communities
- Access event information
- Personalized schedules and reminders
- Venue and local area maps
- See upcoming event activities
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The Eventzilla app allows you to access information about the event you’re attending and participate in related event activities. To get started, download the app and enter the email address registered on the event or enter the unique event code provided by your event organizer. • Join private event communities • Access the schedule, speakers, sponsors, and other essential event information. • Plan your time with personalized schedules and reminder alerts. • Explore venue & local area maps, including floor plans. • See what’s coming up next at the event Organizing an event? Visit https://www.eventzilla.net to create an engaging mobile experience for your event in minutes. Got a question? Send a note to help@eventzilla.net
Screenshots
Verdict
The clearest difference is rating: Eventzilla at 1.6 against PORTSIDE FOS's 1.2. Eventzilla also leads on update cadence (monthly vs every 4 months) and review sentiment (13% vs 3%). On price, ratings volume, 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.
Eventzilla holds the better App Store score, 1.6 against 1.2. Both are backed by a comparable volume of ratings — 49 and 27 respectively. Written reviews point the same way: 3% of PORTSIDE FOS's written reviews are positive against 13% of Eventzilla's.
PORTSIDE FOS ships an update every 4 months, Eventzilla monthly. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | PORTSIDE FOS | Eventzilla |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (49 ratings) | 1.6 (27 ratings) — better |
| Positive reviews | 2.9% of reviews | 12.5% of reviews — better |
| Number of ratings | 49 — better | 27 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 269 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Portside, Inc. | Eventzilla Corporation |
Customer experience
PORTSIDE FOS
Eventzilla
In-app purchases
PORTSIDE FOS
No in-app purchases
Eventzilla
No in-app purchases
Questions
Is PORTSIDE FOS free?
Is Eventzilla free?
Which has better reviews, PORTSIDE FOS or Eventzilla?
Do PORTSIDE FOS or Eventzilla have ads?
Which is updated more often, PORTSIDE FOS or Eventzilla?
Other comparisons
