Physics AI vs Astral Memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physics AI
This app acts as a physics problem solver, offering step-by-step solutions for various physics questions. Users can upload or photograph problems, including diagrams and handwritten notes, to receive detailed mathematical explanations. It covers a wide range of physics topics for students at all levels.
- Photo upload for physics problems
- Step-by-step mathematical solutions
- Covers high school to doctoral research
- Copy and share solutions
- Handles multiple choice, word-based, and diagram problems
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Unlock the secrets of physics with Physics AI, your ultimate physics problem solver! Are you stumped by a complex physics question? Seeking clear, step-by-step explanations? Turn to Physics AI, your academic superhero in the realm of physics. Physics AI expertly tackles an array of physics queries – be it multiple choice, word-based, diagrams, math-centric, or any other type. Simply snap a photo or upload your question, and watch as Physics AI swiftly deciphers and guides you through a comprehensive solution. EXCEPTIONAL FEATURES Effortlessly upload or capture photos of both handwritten and digital physics problems. Seamlessly copy and disseminate intricate solutions. Comprehensive coverage of physics topics, catering to students from high school through to doctoral research. Detailed, step-by-step mathematical solutions. Experience the app's capabilities with a complimentary trial period. Your use of Physics AI signifies your agreement to our Terms of Use and Privacy Policy. A subscription is required to access the contents of the app. Terms of use: https://renaissanceapps.com/terms-conditions Privacy Policy: https://renaissanceapps.com/privacy-policy
Astral Memory
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Astral Memory helps you memorize anything faster with two focused study tools: a tap-to-reveal reader and an image-ready flashcard system. It’s perfect for scripts and lines, lyrics, anatomy and biology diagrams, medical school study, math formulas, language vocabulary, and test prep. What you can do: -Tap-to-Reveal Reader: Paste any text and practice line by line. Tap the right side of the screen to reveal the next line, tap the left side to go back one line. Ideal for speeches, theatre lines, poetry, scripture, procedures, and definitions. -Powerful Flashcards: Build cards with text or images on both sides. Supports JPG and PNG for diagrams, charts, equations, and photos. See every card in a clean list so you can quickly find and edit. Reorder cards instantly with drag and drop. Run through a deck with large, arcade-style next/previous buttons and flip any card to reveal the other side. -Designed for speed: Simple, distraction-free interface so you can add, edit, reorder, and review in seconds. Great for: -Anatomy, biology, chemistry, physics, pharmacology -Medical, nursing, and dental study -Math formulas and problem steps -Language learning and vocabulary -Scripts, speeches, lyrics, and lines -Exams and test prep: SAT, ACT, MCAT, USMLE, NCLEX, LSAT, bar review, finals and quizzes Free plan and subscription: -Free plan: Create 1 Tap-to-Reveal document and 1 flashcard deck. The free deck supports up to 5 cards. If you try to create a second Tap-to-Reveal document or a second flashcard deck, the paywall will appear. If you try to add a 6th card to the free deck, the paywall will appear. -Subscription: Unlock the ability to create more Tap-to-Reveal documents and flashcard decks, and remove the free plan card limit. -Free trial: Free for 7 days, then $2.99/month. No charge until after the trial ends. Auto-renews; cancel anytime in Settings at least 24 hours before renewal. -Payment is charged to your Apple ID at confirmation of purchase for paid plans. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscription in your App Store account settings after purchase. Make memorization simple. Paste your text, add your cards, tap to reveal, and master your material with Astral Memory. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Astral Memory at none against Physics AI's shown. Astral Memory also leads on update cadence (daily vs fortnightly). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Physics AI sells 2 in-app purchases, starting at $5.99 per 7 days and Astral Memory sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Physics AI ships an update fortnightly, Astral Memory daily. The most recent releases landed on August 22, 2026 and June 1, 2026 respectively.
| Parameter | Physics AI | Astral Memory |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (288 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 288 — better | — |
| Update frequency | Fortnightly | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 16 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Renaissance Apps LLC | Robert Patrick Tiernan |
In-app purchases
Physics AI
- Physics AI Weekly Sub3 Days trial$5.997 Days
- Physics AI - Yearly Sub$34.991 Year
Astral Memory
- Astral Memory Premium (Monthly)7 Days trial$2.991 Month
Questions
Is Physics AI free?
Is Astral Memory free?
Do Physics AI or Astral Memory have ads?
Which is updated more often, Physics AI or Astral Memory?
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