Comparison

AI Study & Flashcards · Recall vs Space Gate

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

Head to head
About

AI Study & Flashcards · Recall

Boost your memory retention with AI-powered summaries, quizzes, and audio playback. This app helps you understand and recall information more effectively through personalized learning paths and mnemonic techniques.

Highlights
  • AI-powered summarization
  • Interactive self-testing quizzes
  • Audio playback of information
  • Mnemonic device integration
  • User-generated summaries and ratings
  • Personalized learning paths
Features
Read full description

Ever found yourself in a chat with friends discussing a topic you vaguely remember? Introducing iirc, short for "If I Recall Correctly." Harness the power of AI to boost your memory retention through a simple, step-by-step process. Here's how it works: * Share & Open: Simply share the website from your browser and tap to open iirc, kicking off your recall journey. * 50% Recall Boost: Read a quick summary and challenge yourself with a brief quiz. Self-testing is key to enhancing your memory. * 75% Mastery: Play it back and follow along. Everyone absorbs information differently—listening in addition to reading can make a significant difference. * 90% Mnemonics Magic: Dive into mnemonics, a memory aid technique that leverages word association and visualization to reinforce your memory. * 95% Personal Touch: Create and receive ratings on your own summary. It's not just about remembering; it's about understanding and retaining. Key Features: Summarization: IIRC intelligently condenses lengthy information into concise and digestible summaries. Say goodbye to information overload and hello to a streamlined learning experience. Get the gist without losing the substance. Self Test via Quiz: Reinforce your understanding through interactive self-tests. IIRC generates customized quizzes based on the content you've learned, providing instant feedback and highlighting areas that may need further review. Learn actively and measure your progress effortlessly. Play Back Information with Audio: Immerse yourself in the learning process with IIRC's audio playback feature. Listen to key information on the go, turning idle moments into productive learning opportunities. Enhance your auditory memory and reinforce what you've learned through the power of sound. Mnemonics: Unleash the potential of mnemonics to boost your memory. IIRC incorporates mnemonic devices to help you create memorable associations, making it easier to recall complex information. Transform learning into a creative and engaging experience. User-Generated Summaries and Ratings: Empower the learning community by allowing users to contribute their own summaries. Share your insights and receive ratings, fostering collaboration and creating a diverse repository of high-quality user-generated content. Personalized Learning Paths: IIRC adapts to your unique learning style, offering personalized pathways that combine summarization, quizzes, audio playback, and mnemonics. Tailored to your preferences, the app ensures a customized learning experience that resonates with you. Language support: IIRC works in 85 languages, while the app UI (User Interface) is in English only, you can add content or share links in almost any language. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Screenshots

AI Study & Flashcards · Recall4 screens
Space Gate4 screens

Verdict

The call

The clearest difference is price: AI Study & Flashcards · Recall at Free against Space Gate's $12.99. AI Study & Flashcards · Recall also leads on device support (4 vs 2). Space Gate's advantage is rating (4.8 vs 4.6). On review sentiment, ratings volume, update cadence and ads 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

AI Study & Flashcards · Recall is free to download; Space Gate costs $12.99 up front. AI Study & Flashcards · Recall sells 7 in-app purchases, starting at $3.99 per 7 days and Space Gate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Space Gate holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 253 and 202 respectively. Written reviews point the same way: 83% of AI Study & Flashcards · Recall's written reviews are positive against 86% of Space Gate's.

UpkeepUpdate frequency

AI Study & Flashcards · Recall ships an update every 2 weeks, Space Gate weekly. Both last shipped on November 4, 2026.

Scorecard3 real differences · 7 level
AI Study & Flashcards · Recall versus Space Gate: the parameters behind the verdict, then further details
ParameterAI Study & Flashcards · RecallSpace Gate
PriceFree — better$12.99
Rating4.6 (253 ratings)4.8 (202 ratings) — better
Positive reviews83.2% of reviews85.8% of reviews — better
Number of ratings253 — better202
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Vision Pro — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size54 MB156 MB
Age rating4+4+
DeveloperGiuseppe LupoAli Samaei

Customer experience

AI Study & Flashcards · Recall

All ratings253 ratings
Positive88.5%
Neutral3.6%
Negative7.9%
Written reviews101 reviews
Positive83.2%
Neutral1.0%
Negative15.8%

Space Gate

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

User reviews

AI Study & Flashcards · Recall

From 253 App Store ratings

What we love

  • 👍 Excellent app that summarizes articles well
  • 🚀 Streamlined and intuitive user experience
  • 💡 Innovative use of AI for learning and retention
  • 🧠 Helpful for improving memory and focus
  • 🎓 Great for students and lifelong learners

Room to improve

  • 🐛 Occasional crashes or bugs
  • 💰 Concerns about the 'free lifetime' offer being misleading
  • 🔒 Accessibility issues with unlabeled buttons
  • 🔍 Limited support for certain file types or websites

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

Bugs and requests

AI Study & Flashcards · Recall

Reported bugs

3 issues
  • Inability to restore premium accounts after reinstallation
  • Sharing functionality not working as expected
  • Slow performance or long processing times for some tasks

Requested features

4 requests
  • Broader support for integrating with other apps and platforms
  • Addition of audio/video summarization capabilities
  • Customizable learning settings and personalization options
  • Improved accessibility features for users with disabilities

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

In-app purchases

7 purchases

AI Study & Flashcards · Recall

Subscriptions5
  • Recall AI Premium3 Days trial$3.997 Days
  • IIRC Premium2 variants$3.991 Month
  • IIRC Premium$5.991 Month
Show 2 more
  • IIRC Gold (Yearly)2 variants$39.991 Year
  • IIRC Gold (Yearly)$59.991 Year
One-time2
  • Lifetime IIRC Gold$39.99
  • Lifetime IIRC Gold2 variants$79.99
3 purchases

Space Gate

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

Questions

Is AI Study & Flashcards · Recall free?
AI Study & Flashcards · Recall is free to download, with in-app purchases available.
Is Space Gate free?
Space Gate costs $12.99, and also offers in-app purchases.
Which has better reviews, AI Study & Flashcards · Recall or Space Gate?
Space Gate is rated higher. AI Study & Flashcards · Recall averages 4.6 out of 5 from 253 ratings, while Space Gate averages 4.8 from 202 ratings.
Do AI Study & Flashcards · Recall or Space Gate have ads?
Neither AI Study & Flashcards · Recall nor Space Gate shows ads.
Which is updated more often, AI Study & Flashcards · Recall or Space Gate?
AI Study & Flashcards · Recall ships an update every 2 weeks, and Space Gate weekly. Most recently, AI Study & Flashcards · Recall was updated on November 4, 2026 and Space Gate on November 4, 2026.

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