Comparison

Space Gate vs App Lock

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

App Lock

Secure your device by locking specific applications and preventing unauthorized installations or deletions. This tool offers a user-friendly interface for enhanced privacy and control over your digital life.

Highlights
  • App locking for enhanced access control
  • One-tap locking/unlocking of all apps
  • Install prevention for unauthorized app installs
  • Deletion block for app security
  • User-friendly interface with customization
Features
Read full description

App Lock is a professional application protection tool that provides comprehensive security for your privacy. Whether safeguarding personal information on shared devices or restricting app access when your child uses your device, App Lock meets all your needs. Key Features: * App Locking: Enhance access control for specific apps; they remain locked and inaccessible. * One-Tap Locking: Easily lock or unlock all apps with a single tap—a must-have feature for emergency phone lending. * Install Prevention: Prevent children or other users from installing apps on your device. * Deletion Block: Organize and block all deletion operations for enhanced app security. * User-Friendly: Intuitive and easy-to-use interface with quick settings and flexible customization options. Why Choose App Lock? App Lock not only provides robust security features but also prioritizes user experience. We are committed to protecting your digital life, empowering you with more control, and simplifying the concept of security.  Download App Lock now to safeguard your privacy and security! Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Privacy Policy:https://sites.google.com/view/applocksprivacypolicy/%E9%A6%96%E9%A1%B5 Terms of Use:https://sites.google.com/view/applockstermsconditions/%E9%A6%96%E9%A1%B5

Screenshots

Space Gate4 screens
App Lock4 screens

Verdict

The call

The clearest difference is price: App Lock at Free against Space Gate's $12.99. App Lock also leads on review sentiment (100% vs 86%). Space Gate's advantage is ratings volume (202 vs 1). On rating, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

App Lock 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 App Lock sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

App Lock holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Space Gate has 202 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of Space Gate's written reviews are positive against 100% of App Lock's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 4, 2026.

Scorecard3 real differences · 7 level
Space Gate versus App Lock: the parameters behind the verdict, then further details
ParameterSpace GateApp Lock
Price$12.99Free — better
Rating4.8 (202 ratings)5.0 (1 ratings) — better
Positive reviews85.8% of reviews100.0% of reviews — better
Number of ratings202 — better1
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size156 MB3 MB
Age rating4+4+
DeveloperAli Samaei大靖 刘

Customer experience

Space Gate

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

App Lock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

App Lock

Not enough reviews yet to summarise bugs or requests.

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
3 purchases

App Lock

Subscriptions2
  • Weekly Pro3 Days trial$2.997 Days
  • Quarterly Pro$9.993 Months
One-time1
  • Permanent Unlock$9.99

Questions

Is Space Gate free?
Space Gate costs $12.99, and also offers in-app purchases.
Is App Lock free?
App Lock is free to download, with in-app purchases available.
Which has better reviews, Space Gate or App Lock?
App Lock is rated higher. Space Gate averages 4.8 out of 5 from 202 ratings, while App Lock averages 5.0 from 1 ratings.
Do Space Gate or App Lock have ads?
Neither Space Gate nor App Lock shows ads.
Which is updated more often, Space Gate or App Lock?
Space Gate ships an update weekly, and App Lock weekly. Most recently, Space Gate was updated on November 4, 2026 and App Lock on November 4, 2026.

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