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OnlyFlights VS Cozystack

Compare OnlyFlights VS Cozystack and see what are their differences

AeroDataBox
Aviation and flight API tailored for SMBs and individual developers, offering flight status, schedules, aircraft and airport data, statistics, historical data and more. Seamless REST/web hook integration via API marketplaces at affordable rates. sponsored
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OnlyFlights logo OnlyFlights

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

Cozystack logo Cozystack

With Cozystack, you can transform your bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.
  • OnlyFlights Best Flight Tracking App
    Best Flight Tracking App //
    2025-06-30
  • OnlyFlights Features
    Features //
    2025-06-30
  • OnlyFlights Simple & User-friendly
    Simple & User-friendly //
    2025-06-30

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 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 favorite airlines.)

Not present

OnlyFlights

Website
time2pack.app
Pricing URL
Official OnlyFlights Pricing
$ Details
freemium $1.99 / Monthly ((or $14.99 as an yearly option))
Platforms
iOS iPhone
Release Date
2025 March
Startup details
Country
Poland
City
Bilaystok
Founder(s)
Katsiaryna Huryna, Aliaksandr Huryn
Employees
1 - 9
Edit details

Cozystack

Website
cozystack.io
Pricing URL
-
$ Details
Platforms
-
Release Date
-
Edit details

OnlyFlights features and specs

  • 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.

Cozystack features and specs

  • Free and Open Source
    Cozystack is a fully open-source platform (under Apache 2.0 license) built on top of proven open-source technologies like Kubernetes, Talos Linux, and FluxCD, allowing users to inspect, modify, and contribute to the codebase without vendor lock-in.
  • All-in-One PaaS/IaaS Platform
    Cozystack provides a comprehensive platform that combines PaaS and IaaS capabilities, offering managed Kubernetes clusters, databases (PostgreSQL, MySQL, Redis, etc.), virtual machines, load balancers, and monitoring out of the box, reducing the need for multiple separate tools.
  • Built on Battle-Tested Technologies
    The platform leverages well-established cloud-native technologies such as Kubernetes, KubeVirt for virtualization, Kamaji for managed Kubernetes, and Cilium for networking, providing a solid and reliable foundation rather than reinventing the wheel.
  • Simplified Bare-Metal Deployment
    Cozystack is designed to be installed directly on bare-metal servers using Talos Linux, making it relatively straightforward to set up your own cloud infrastructure without needing pre-existing cloud providers or complex manual configurations.
  • GitOps-Driven and Declarative Management
    Using FluxCD and Helm charts under the hood, Cozystack follows GitOps principles, enabling declarative infrastructure management, reproducible deployments, and easy customization of platform components through a standardized workflow.

Possible disadvantages of Cozystack

  • Steep Learning Curve
    Cozystack requires solid knowledge of Kubernetes, Talos Linux, networking, and various cloud-native technologies. Users unfamiliar with these ecosystems may find the initial setup and ongoing management challenging.
  • Relatively Young and Small Community
    Compared to established platforms like OpenStack or major managed Kubernetes services, Cozystack has a smaller user community, which means fewer community-contributed resources, tutorials, third-party integrations, and slower issue resolution from peers.
  • Limited Enterprise Support and Ecosystem
    As a relatively new open-source project, Cozystack lacks the extensive enterprise support contracts, professional services, and partner ecosystems that more mature platforms offer, which may concern organizations requiring SLA-backed support.
  • Hardware and Infrastructure Requirements
    Cozystack is designed for bare-metal deployments and requires a minimum cluster of nodes with specific hardware capabilities (e.g., for KubeVirt virtualization), which may not be accessible or cost-effective for smaller teams or those without dedicated infrastructure.
  • Limited Documentation and Maturity
    Being a newer project, the documentation can be sparse or incomplete in certain areas, and some features may still be evolving, potentially leading to breaking changes or gaps in functionality compared to more mature alternatives.

Analysis of OnlyFlights

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

Analysis of Cozystack

Overall verdict

  • Cozystack is a solid choice for teams wanting a free, open-source PaaS built on Kubernetes, Kubevirt, and Flux, offering a self-hosted alternative to public cloud platforms with strong automation and GitOps principles baked in.

Why this product is good

  • Fully open-source and free, avoiding vendor lock-in and licensing costs
  • Built on proven CNCF technologies like Kubernetes, KubeVirt, and Flux CD
  • Provides a unified platform for both containers and virtual machines
  • Enables self-service infrastructure provisioning similar to major cloud providers
  • Strong GitOps-native approach simplifies deployment consistency and rollback
  • Active development backed by a community and commercial support options
  • Reduces operational overhead by automating cluster and tenant management

Recommended for

  • Organizations wanting to build an internal private cloud platform
  • DevOps teams already invested in Kubernetes and GitOps workflows
  • Companies seeking to reduce reliance on public cloud providers
  • Managed service providers offering PaaS/IaaS to clients
  • Teams needing both VM and container workloads unified under one platform
  • Cost-conscious enterprises looking for open-source cloud infrastructure alternatives

OnlyFlights videos

No OnlyFlights videos yet. You could help us improve this page by suggesting one.

Add video

Cozystack videos

+ Add

Cozystack community meeting 2024-07-04

More videos:

  • Review - Sunkworks - Pt. 56 (Build, Test Cozystack 0.9-pre)
  • Review - Cozystack community meeting 2024.05.09

Category Popularity

0-100% (relative to OnlyFlights and Cozystack)

OnlyFlights

Cozystack

Travel
100 100%
Travel
0% 0
Cloud Hosting
0 0%
Cloud Hosting
100% 100
Travel Tools
100 100%
Travel Tools
0% 0
PaaS
0 0%
PaaS
100% 100

Questions & Answers

As answered by people managing OnlyFlights and Cozystack.

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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What are some alternatives?

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

Flighty - Live Flight Tracker with alerts

FlightRadar24 - Flightradar24 allows you to track: * Planes moving in real-time

byAir Travel App - Flight tracking and airport navigation

FlightAware - Live Flight Tracking

App in the Air - The perfect companion for everyone taking a flight.

2Flights.io - Track your flights, get instant updates, view travel stats, and compete with friends — all in one app. Available for iOS & Android.

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