Simplifi Learn vs COSMOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simplifi Learn
Transform your study materials into interactive practice tests, flashcards, and summaries. Generate personalized study plans, listen to your notes with narration, and earn rewards as you learn. Make studying more effective and engaging with your own content.
- Upload PDFs and notes
- Generate practice tests
- Create flashcards
- AI-powered summaries
- Audio narration of documents
- Daily review feed
- Earn learning rewards
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Upload a PDF. Get a practice test in under a minute. SimplifiLearn turns the documents you actually study from — class notes, textbooks, slides, research papers — into practice tests, summaries, flashcards, and a daily review feed. What you can do: • Upload PDFs, slides, and notes to your library and study from your own materials • Generate multiple-choice and short-answer practice tests from any document • Get a Daily Study feed of bite-sized review across your courses • Read with summaries, key terms, and reading guides • Listen to any document with natural narration — it keeps playing while you use the rest of the app, and from the lock screen • Earn rewards — mnemonics, study songs, and lyrics generated from your notes — as you learn • Set daily study reminders that fit your schedule • Sign in fast with Apple, Google, or email SimplifiLearn doesn't replace your textbook. It makes sure the time you spend studying actually sticks. TRY IT FREE Create one course and use the first week of its study plan for free. A subscription unlocks everything. SUBSCRIPTION DETAILS A SimplifiLearn subscription unlocks the entire app: • Turn your own PDFs, slides, and notes into study material • AI-generated quizzes and practice tests • Smart flashcards and vocabulary decks • Guided reading with comprehension checks • Mnemonics and study songs that make facts stick • Personalized study plans that adapt as you learn Plans (US pricing; prices may vary by region): • Monthly — 1 month — $12.99 per month • Annual — 1 year — $132.99 per year Both plans include a 7-day free trial for eligible new subscribers. After the trial ends you are charged the plan price shown above. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically at the same price unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the current period ends. Manage or cancel your subscription in your App Store account settings. Any unused portion of a free trial is forfeited when you purchase a subscription. CREDIT PACKS Want more rewards than you've earned? Credit packs (250, 750, or 1,750 credits) are optional one-time purchases, separate from the subscription. Purchased credits are spent before earned credits and aren't limited by the quarterly caps on rewards. They don't expire and don't renew. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://simplifilearn.com/privacy
COSMOS
Explore a real-time 3D model of the solar system with accurate planetary positions and photo-realistic textures. Control time to view past or future celestial events and learn about planets and moons. This app is free and works offline.
- Real-time planetary orbits
- Photo-realistic textures
- Time control for past/future viewing
- Free and offline functionality
- Detailed planet information
- Exploration via pinch and swipe
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COSMOS is a solar system you hold in your hand. This is not a decoration. Every planet sits exactly where it is right now, computed from real orbital mechanics. Where is Jupiter tonight? How are Saturn's rings tilted? Open the app — the answer is there. - REAL ORBITS Positions of all 8 planets and the Moon are computed from Keplerian orbital elements in real time. Scrub through time to see the sky 10 years from now — or the day you were born. - PHOTO-REAL TEXTURES Saturn's rings, Jupiter's Great Red Spot, sunspots and solar granulation — every texture is generated on your device and stays crisp as you zoom. - CONTROL TIME From one second = hours, to one second = years. Watch the Moon change phase and the planets trace their orbits with your own eyes. - EXPLORE FREELY Pinch and swipe from outside the solar system down to a planet's face. Tap any body for details. - FREE FOR EVERYONE - Every feature is free — nothing locked behind a paywall - Just a small banner ad, never covering the view - Works offline, on a plane or on a mountain - Enjoying COSMOS? Leave an optional tip to support development For curious kids asking "why?" For stargazers who want a quiet moment of awe. The real universe, in your pocket. LANGUAGES English, Japanese, Simplified Chinese, Korean, Spanish, French, German
Screenshots
Verdict
The clearest difference is rating: COSMOS at 5.0 against Simplifi Learn's 4.0. COSMOS also leads on ratings volume (4 vs 1) and iOS requirement (15.0 vs 17.0). Simplifi Learn's advantage is in-app purchases (none vs 3) and update cadence (every 8 days vs every 2 weeks). On price, ads, monetization model and device support 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. COSMOS sells 3 one-off in-app purchases. Simplifi Learn asks for nothing beyond the download.
COSMOS holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Simplifi Learn ships an update every 8 days, COSMOS every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Simplifi Learn | COSMOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (4 ratings) — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, Mac | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 8 MB |
| Age rating | 12+ | 4+ |
| Developer | Simplifi Learning Applications LLC | yuudai tasaki |
In-app purchases
Simplifi Learn
No in-app purchases
COSMOS
- Support the Developer$1.99
- Support the Developer$4.99
- Support the Developer$9.99
Questions
Is Simplifi Learn free?
Is COSMOS free?
Which has better reviews, Simplifi Learn or COSMOS?
Do Simplifi Learn or COSMOS have ads?
Which is updated more often, Simplifi Learn or COSMOS?
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