Software Alternatives & Startups

OnlyFlights VS Opalstack

Compare OnlyFlights VS Opalstack and see what are their differences

OnlyFlights

The most affordable, simple, and easy-to-use flight tracking app. No ads, no clutter - just track your flights!

OnlyFlights Best Flight Tracking App
Rating
0 reviews
Pricing
Freemium Free trial $1.99 / Monthly ((or $14.99 as an yearly option))
Opalstack

Managed Hosting for developers, entrepreneurs, and businesses like yours

Opalstack Landing page
Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Base details

Website, pricing, platforms and company facts side by side.

OnlyFlights
Opalstack
Website time2pack.app opalstack.com
Pricing
Freemium Free trial $1.99 / Monthly ((or $14.99 as an yearly option)) Official pricing
Platforms
iOS iPhone
Company Startup from Poland · 1 - 9 employees · 2025
Listed in

About OnlyFlights and Opalstack

In their own words, as submitted to SaaSHub.

OnlyFlights
Opalstack

OnlyFlights is designed with only the most useful features - no distractions, no unnecessary extras. Just simple, efficient flight tracking. What we offer: Reliable flight tracking (Track any flight in real time with accurate departure, arrival, and route details.) Flight alerts (Get instant...

Read more about OnlyFlights

No description of Opalstack yet.

Features and specs

What each product offers, as listed by its team.

OnlyFlights 6 features
Opalstack 5 features
  • Flight Tracking
    Track any flight in real time with accurate departure, arrival, and route details.
  • Flight Alerts
    Get instant notifications for delays, cancellations, gate changes, and other important updates.
  • Boarding Alerts
    Stay on top of your journey with timely reminders for boarding and gate information.
  • Flight History
    Save and access all your past flights anytime, with a detailed travel record.
  • Countdown widgets
    Add our widget to your Home Screen and see exactly how long until your next flight.
  • Statistics
    View insights on your travel habits, including total flights, distance traveled, and favourite airlines.
  • Developer-Friendly Hosting
    Opalstack is designed with developers in mind, offering SSH access, Git integration, and support for multiple programming languages and frameworks including Python, Node.js, Ruby, and PHP, giving developers granular control over their hosting environment.
  • Affordable Pricing
    Opalstack offers competitive pricing for shared and managed hosting plans, making it an accessible option for small businesses, freelancers, and individual developers who need robust features without enterprise-level costs.
  • Modern Control Panel
    Opalstack provides a clean, modern, and intuitive web-based dashboard for managing sites, applications, databases, and email accounts, which is a significant improvement over older-style hosting control panels like cPanel.
  • Strong Support for Multiple Applications
    The platform supports a wide variety of application types including WordPress, Django, Flask, Express, static sites, and more, allowing users to host diverse projects on a single account with easy deployment.
  • Reliable Infrastructure and Support
    Opalstack is built by former WebFaction team members, bringing experienced hosting expertise. They offer responsive customer support and a reputation for stable, well-managed server infrastructure with good uptime.

Possible disadvantages

  • Smaller Community and Ecosystem
    Compared to major hosting providers like DigitalOcean, AWS, or even shared hosts like SiteGround, Opalstack has a smaller user base, which means fewer community tutorials, third-party guides, and forum discussions available for troubleshooting.
  • Limited Scalability Options
    Opalstack is primarily a shared hosting provider, which means it may not be the best choice for high-traffic applications or projects that require rapid, on-demand scaling of resources like CPU, RAM, or storage.
  • Not Ideal for Beginners
    While developer-friendly, Opalstack's approach can be intimidating for non-technical users. Setting up applications often requires familiarity with the command line and server configuration, which may not suit those looking for simple one-click solutions.
  • Limited Data Center Locations
    Opalstack offers a relatively small number of data center locations compared to major cloud providers, which may result in higher latency for users targeting audiences in regions not well-served by the available server locations.
  • Fewer Managed Services and Add-ons
    Unlike larger hosting platforms, Opalstack lacks a wide range of managed add-on services such as built-in CDN integration, managed backups with granular restore options, or one-click SSL management that more mainstream providers offer out of the box.

Analysis

An editorial look at what each product does well and who it suits.

OnlyFlights
Opalstack

Overall verdict

  • OnlyFlights (time2pack.app) appears to be a useful travel-focused tool for finding and comparing flights, but as with any travel service, its value depends on your specific needs and how it compares to established booking platforms. Without extensive independent reviews, it's best treated as a helpful supplementary option worth trying alongside trusted comparison sites.

Why this product is good

  • It focuses specifically on flights, which can streamline the search process for travelers who only need airfare
  • Flight-focused tools often provide cleaner interfaces without the clutter of hotel and package upsells
  • May offer competitive fare comparisons that help you spot deals across multiple airlines
  • Convenient for quick trip planning when you want to check prices and timing without extra steps

Recommended for

  • Frequent flyers who want a dedicated flight search tool
  • Budget-conscious travelers comparing airfares across carriers
  • Solo travelers or those who book flights separately from accommodations
  • People who prefer a simple, focused booking experience over bundled travel packages

Overall verdict

  • Opalstack is a solid choice for developers and tech-savvy users seeking an affordable, flexible control panel hosting solution with good performance and transparent pricing, though it may require more technical know-how than mainstream cPanel hosts.

Why this product is good

  • Uses a custom lightweight control panel that's fast and efficient compared to resource-heavy alternatives like cPanel
  • Offers straightforward, transparent pricing without hidden fees or aggressive upselling
  • Provides SSD storage and solid server performance for the price point
  • Supports multiple app types including Python, Node.js, and various frameworks beyond typical PHP hosting
  • Founded by the original creators of WebFaction, bringing significant hosting industry experience
  • Good for running multiple websites/apps under one account with granular resource control
  • Responsive customer support with a knowledgeable team
  • No long-term contracts required, allowing flexibility

Recommended for

  • Developers who need support for Python, Node.js, or other non-PHP applications
  • Users comfortable with a more technical, non-cPanel control panel interface
  • Small businesses or freelancers hosting multiple websites who want granular control
  • Former WebFaction users looking for a similar service after its shutdown
  • Budget-conscious users who want VPS-like flexibility without full server management
  • Users who prioritize transparent pricing over bundled marketing extras

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
OnlyFlights
Opalstack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing OnlyFlights and Opalstack.

Why should a person choose your product over its competitors?

OnlyFlights's answer

You should choose OnlyFlights over other apps because it’s fast, private, and stress-free. Unlike some flight apps, it doesn’t ask you to create an account or show you annoying ads. It gives you just what you need - like real-time flight updates, delay alerts, and a clean travel log - without any extra clutter. Plus, it’s really affordable if you want to track more than two flights. Perfect for travelers who want a simple tool that just works.

What makes your product unique?

OnlyFlights's answer

OnlyFlights is unique because it’s super simple and easy to use. You don’t need to sign up or deal with ads, and it doesn’t track your data. It focuses only on flight tracking, with clean design and useful features like live flight alerts, a countdown to your next flight, and a travel history log. It’s made for people who just want to track flights without any extra noise.

How would you describe the primary audience of your product?

OnlyFlights's answer

The primary audience for OnlyFlights is travelers who want a simple and reliable way to track their flights. This includes frequent flyers, casual travelers, flight crews, and even people picking someone up from the airport. These travelers care about staying updated but don’t want to deal with ads, sign-ups, or complicated apps.

What's the story behind your product?

OnlyFlights's answer

The story behind OnlyFlights started with Kate and Alex, the creators of the Time2Pack app. At first, they added a flight tracking feature inside Time2Pack, just to help travelers stay more organized. But soon, users began asking for a separate app that focused only on flight tracking. So, after getting lots of feedback, they decided to build OnlyFlights as a standalone app - simple, focused, and designed just for tracking flights without distractions.

User comments

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Alternatives to OnlyFlights and Opalstack

When comparing OnlyFlights and Opalstack, you can also consider the following products.