Comparison

Class vs Stellar Flow

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

Head to head
About

Class

Rate your classes and discover what others think. Plan future courses using reviews and view prerequisite details to make informed decisions about your academic path.

Highlights
  • Rate favorite classes
  • View class reviews
  • Plan future courses
  • See prerequisite descriptions
  • Discover student opinions
Read full description

Class Rate gives you the ability to rate your favorite classes and see what other people thought of them too! Plan out your future courses based on reviews from people who have taken the class before. You can view prerequisite descriptions for every class to better inform your decisions!

About

Stellar Flow

Transform focus sessions into an interstellar adventure. Earn resources, upgrade your starship, and explore a vast galaxy as you complete work, study, or meditation missions. Track your progress with detailed statistics and enjoy immersive soundscapes.

Highlights
  • Gamified focus sessions
  • Galaxy exploration map
  • Ship upgrading and customization
  • Immersive ambient soundscapes
  • Progress tracking and statistics
  • Live Activities support
Features
Read full description

Deep focus in deep space. With Stellar Flow, every focus session becomes an interstellar voyage to distant planets, where you'll collect resources, upgrade your ship, and chart your path through an infinite universe. EXPLORE THE GALAXY Pilot your personal starship through star systems, from the familiar Sol to distant uncharted systems. The further you travel, the greater the treasures you'll discover. Select your destination on the stunning 3D galaxy map and set your course. FOCUS SESSIONS THAT REWARD YOU Choose your mission type—Focus, Work, Meditate, Read, or Exercise—and set your journey duration. As you focus, watch your ship soar through the cosmos in a mesmerizing cockpit view. Complete your journey to land on your destination planet and collect your reward. BUILD YOUR STARSHIP Earn Credits from your voyages. Improve your ship. Every focus session brings you closer to your next upgrade. IMMERSIVE SOUNDSCAPES Let ambient space music carry you through your focus sessions. Handcrafted soundscapes designed for deep concentration—the perfect companion for work, study, or meditation. Toggle music on or off to match your preference. CAPTAIN'S LOG Track your progress with beautiful statistics and a calendar view. Monitor your focus streaks, total journey time, and completed missions. Review your journey history and celebrate how far you've traveled. DELIGHTFUL DETAILS Live Activities — See your timer on your Lock Screen and Dynamic Island Name Your Ship — Make it truly yours with a custom name Background Audio — Music continues even when your screen is locked WHY STELLAR FLOW? Ordinary timers tick. Stellar Flow transports. We built the focus app we wished existed—one that makes productivity feel like play. Where completing a 25-minute work session doesn't just feel good, it feels like landing on Mars. Where building focus habits isn't a chore, it's an adventure. Whether you're studying for exams, working through a project, or building a meditation practice, Stellar Flow turns the grind into a space journey. Ready to launch? Your ship is waiting. Your galaxy is calling. Download Stellar Flow and begin your journey today.

Screenshots

Class4 screens
Stellar Flow4 screens

Verdict

The call

The clearest difference is ads: Class at none against Stellar Flow's shown. Class also leads on monetization model (free vs ad-supported) and iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence 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

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Class against 5.0 for Stellar Flow. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

Class ships an update every 2 days, Stellar Flow every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Class versus Stellar Flow: the parameters behind the verdict, then further details
ParameterClassStellar Flow
PriceFreeFree
Rating5.0 (3 ratings)5.0 (4 ratings)
Number of ratings34 — better
Update frequencyEvery 2 days — betterEvery 3 days
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size22 MB45 MB
Age rating4+4+
DeveloperEden Prairie High SchoolAlexander Heemann

In-app purchases

None

Class

No in-app purchases

None

Stellar Flow

No in-app purchases

Questions

Is Class free?
Class is free to download, with no in-app purchases.
Is Stellar Flow free?
Stellar Flow is free to download, with no in-app purchases.
Which has better reviews, Class or Stellar Flow?
Class and Stellar Flow are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do Class or Stellar Flow have ads?
Stellar Flow shows ads; Class does not.
Which is updated more often, Class or Stellar Flow?
Class ships an update every 2 days, and Stellar Flow every 3 days. Most recently, Class was updated on November 5, 2026 and Stellar Flow on October 31, 2026.

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