Comparison

Space Gate vs ReadBay

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

Head to head
About

Space Gate

Explore the universe with interactive 3D and AR experiences of the solar system. Discover celestial bodies, engage with live astronomy news, and even interact with black holes. Tailored for learning and education.

Highlights
  • 3D and AR solar system exploration
  • Interactive black hole simulations
  • Live astronomy magazine
  • Educational celestial catalogs
  • Capture and save celestial snapshots
Features
Read full description

Explore the Universe with Space-Gate - An Interactive Celestial Journey Discover the Wonders of Space: Dive into an awe-inspiring journey across the cosmos with Space-Gate. Our app brings the mysteries of the universe to your fingertips, offering a unique blend of education and entertainment. Whether you're a curious child, a student with a thirst for knowledge, or an astronomy enthusiast, our app is your gateway to exploring the solar system and beyond in stunning detail. Engage with live astronomy magazine: Dive into the cosmos with our app's magazine feature—your portal to the latest astronomy news, riveting space exploration stories, and learning progress, all in one place. Stunning 3D and AR Experiences: Experience the solar system like never before! With breathtaking 3D and advanced AR technology, you can navigate through the orbits of planets, witness the dance of their moons, and marvel at the beauty of our universe in high resolution. Our app isn't just a visual treat; it's a journey that brings the galaxy to life. Interact with Black Holes: Ever wondered what it’s like to interact with a black hole? Our innovative feature lets you manipulate the fabric of space-time, offering an immersive and educational experience. Using latest technologies, witness how black holes bend time, space, and even light at the touch of your finger. Educational Catalogs & Snapshots: Explore our extensive catalogs filled with fascinating information about each celestial body. Capture and save breathtaking celestial scenes, perfect for wallpapers or sharing your space exploration with friends. Tailored for Learning: Perfect for educators and parents, our app is an invaluable tool for teaching. From young minds to advanced learners. The app offers premium features as subscription plans and in app purchases. Payment will be charged to your Apple ID Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal 24 hours prior to the end of the current period, at the rate of your selected plan. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. During the free trial period, you can enjoy full access to all the app's features. If you decide to subscribe during the trial, any unused portion of the free trial period will be forfeited. For more information, please read terms of use: https://alpinebytes.ucraft.site/space-gate

About

ReadBay

Access concise summaries and audio versions of bestselling books in under 15 minutes. Master key insights from business, self-help, and personal development titles for faster learning and habit building.

Highlights
  • 15-minute book summaries
  • Audiobook summaries
  • Offline reading
  • Progress tracking
  • Habit building challenges
  • Bookmark favorite notes
Features
Read full description

Book Summary & Audiobook App - Learn in 15 Minutes Master key insights from bestselling self help, business books, and personal development titles with ReadBay's quick book summaries! Our speed reading approach delivers professional development content faster than Blinkist or Headway. Why ReadBay Beats the Competition: 15 minute reads - Perfect for daily learning Audiobook summaries for hands-free motivation Offline reading - Learn anywhere, anytime Productivity tools with progress tracking Habit building challenges and goals Popular Categories: Leadership books, Business books, Self Help, Productivity, Psychology, Money & Investing, Professional development, Communication Perfect for Quick Book Summaries: Busy professionals seeking key insights Students wanting speed reading solutions Anyone building daily learning habits Commuters maximizing time with audiobook content Smart Learning Features: Bookmark favorite book notes Set habit building challenges Learn faster with audio mode Motivation through progress tracking Start your learning journey with FREE book summaries! Website: https://www.growthmindapps.com Terms: https://www.growthmindapps.com/terms Privacy: https://www.growthmindapps.com/privacy

Screenshots

Space Gate4 screens
ReadBay4 screens

Verdict

The call

The clearest difference is price: ReadBay at Free against Space Gate's $12.99. On rating, review sentiment, 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

ReadBay is free to download; Space Gate costs $12.99 up front. Space Gate sells 3 in-app purchases, starting at $2.99 per month and ReadBay sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Space Gate against 4.8 for ReadBay. Both are backed by a comparable volume of ratings — 202 and 239 respectively. Written reviews are what separate them: 86% of Space Gate's written reviews are positive against 85% of ReadBay's.

UpkeepUpdate frequency

Space Gate ships an update weekly, ReadBay every 10 days. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 9 level
Space Gate versus ReadBay: the parameters behind the verdict, then further details
ParameterSpace GateReadBay
Price$12.99Free — better
Rating4.8 (202 ratings) — better4.8 (239 ratings)
Positive reviews85.8% of reviews — better84.5% of reviews
Number of ratings202239 — better
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size156 MB60 MB
Age rating4+17+
DeveloperAli SamaeiBange Sabastine Hwonyi

Customer experience

Space Gate

All ratings200 ratings
Positive96.0%
Neutral1.0%
Negative3.0%
Written reviews134 reviews
Positive85.8%
Neutral3.0%
Negative11.2%

ReadBay

All ratings256 ratings
Positive96.1%
Neutral1.6%
Negative2.3%
Written reviews71 reviews
Positive84.5%
Neutral4.2%
Negative11.3%

User reviews

Space Gate

From 202 App Store ratings

What we love

  • 🎨 Stunning 3D graphics and visual quality
  • 🌍 Immersive AR experience for exploring planets
  • 📚 Comprehensive educational content about space
  • 🎓 Excellent tool for teachers and students
  • 📸 Screenshot/snapshot capture functionality

Room to improve

  • 💰 Misleading free-to-play pricing model
  • 🔒 Unexpected in-app purchase charges
  • 🎮 Unintuitive navigation and UI
  • 🐛 Orbital mechanics inaccuracies
  • 🌙 Moon tidal locking not correctly simulated

ReadBay

From 239 App Store ratings

What we love

  • 🚀 Informative and easy to follow
  • 👍 Smooth listening experience
  • 👍 Broad library of titles
  • 👍 Allows reading or listening
  • 👍 User-friendly interface

Room to improve

  • 🐛 Usability issues when multitasking
  • 🐛 Audiobook restarts from beginning
  • 🔒 Lack of transparency (broken links, no contact info)
  • 👎 Limited book recommendations
  • 👎 Needs more book options and larger selection

Bugs and requests

Space Gate

Reported bugs

11 issues
  • Moon not tidally locked to Earth
  • Moon orbiting Earth in wrong direction
  • Planets orbiting sun in opposing/incorrect directions
  • Uranus moons glitched
  • Venus orbital speed faster than Mercury
Show 6 more
  • Navigation stuck on celestial objects (e.g., Phobos)
  • Unable to exit and return to main menu
  • In-app purchase restoration issues between devices
  • Moon rotates multiple times per orbit
  • Difficulty backing out of exploration mode
  • Mercury translation error in Turkish

Requested features

12 requests
  • Ability to set any planet as immobile center point
  • More free planets without paywall
  • Additional galaxies beyond solar system
  • Toggle for planet/moon/star name labels
  • Time-lapse function with variable speeds
Show 7 more
  • More interactive black hole visualization
  • Astrology-related content
  • Improved moon orbit accuracy
  • Correct planetary orbital directions
  • Per-app language settings independent of iOS settings
  • More detailed information and content
  • True realistic scale mode with disclaimer

ReadBay

Reported bugs

2 issues
  • Purchased lifetime subscription not accessible on new device
  • Identical summaries for different books

Requested features

3 requests
  • Support for French books
  • Ability to share summaries to Kindle
  • More language options (e.g., Chinese)

In-app purchases

3 purchases

Space Gate

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Annual Subscription3 Days trial$6.991 Year
One-time1
  • Lifetime Subscription$12.99
4 purchases

ReadBay

Subscriptions3
  • Monthly Pro Membership$4.991 Month
  • Pro Annual Membership$19.991 Year
  • Yearly Pro Membership3 Days trial$24.991 Year
One-time1
  • Lifetime Membership$39.99

Questions

Is Space Gate free?
Space Gate costs $12.99, and also offers in-app purchases.
Is ReadBay free?
ReadBay is free to download, with in-app purchases available.
Which has better reviews, Space Gate or ReadBay?
Space Gate is rated higher. Space Gate averages 4.8 out of 5 from 202 ratings, while ReadBay averages 4.8 from 239 ratings.
Do Space Gate or ReadBay have ads?
Neither Space Gate nor ReadBay shows ads.
Which is updated more often, Space Gate or ReadBay?
Space Gate ships an update weekly, and ReadBay every 10 days. Most recently, Space Gate was updated on November 8, 2026 and ReadBay on November 4, 2026.

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