Grasp E vs Aventurine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grasp E
This e-reader focuses on helping you retain information from books through chapter quizzes and progress tracking. It offers a library of over 1100 free classic titles, designed to make reading a habit that builds lasting knowledge.
- Chapter quizzes for knowledge retention
- Daily and weekly review quizzes
- Track reading progress with scores
- Library of over 1100 free books
- Focused reader with animated transitions
- Compounding reading habit builder
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Grasp: Read. Remember. Forever. What if you could actually remember every book you've ever read? Grasp is the e-reader built on a simple promise: the books you finish should stay with you. Not just as a fond memory of "I think I read that one": but as real, lasting knowledge you can recall years later. With over 1100 free books available, you will never run out of classic, engaging books! How it works Read beautiful books: Dive into a curated library of timeless titles, all yours to keep. Get quizzed, get smarter: After every chapter, a short quiz locks in what you just read. Daily and weekly quizzes keep older books fresh in your mind, so nothing fades away. Watch your mind grow: Three live scores track your journey: Page Score: every page you turn, forever Book Score: every book you finish Knowledge Score: every fact you've truly mastered Reading, reimagined: Animated page-turn trails, satisfying sounds, and a clean, focused reader designed to keep you in the flow. Why Grasp? Most reading apps measure how fast you read. Grasp measures how much you actually remember. Every chapter quiz is a tiny checkpoint with your future self: proof that the hours you spent reading weren't just entertainment, but knowledge that will be there when you need it. Whether you're rediscovering classic literature, exploring history, or finally finishing that book you've meant to read for years: Grasp turns reading into a habit that compounds. Start your library. Build your mind. Remember everything. Currently available in the United States. Sign in with Apple or Google to get started.
Aventurine
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Fall in love with books again. Discover books the way they were meant to be discovered: through their words. Aventurine lets you read the opening pages of books before you see the title, author, cover, or reviews. If the writing draws you in, reveal the book. If it doesn't, simply move on. Every discovery begins with the writing. Created by a reader for readers, Aventurine was designed by Arif Anwar, author of The Storm, a novel featured on the cover of the New York Times Book Review and translated into six languages. It was built around a simple belief: the first test of a book should be the writing itself. Whether you've fallen out of the habit of reading or you're simply searching for your next great book, Aventurine offers a quieter, more thoughtful way to discover literature—free from algorithms, bestseller lists, and marketing hype. Discover books differently • Read anonymously before you reveal the book • Judge every book by its writing, not its cover • Save the discoveries that stay with you • Continue reading public-domain classics inside the app • Build a personal library of books you've truly connected with Aventurine is designed for people who still believe that the right book can change a life—and that every great reading journey begins with a single page. Coming soon: Contemporary books from participating authors and publishers. Download Aventurine and discover your next favorite book—one page at a time. Aventurine Premium is available as a monthly subscription ($4.99/month) or annual subscription ($39.99/year), with a 7-day free trial for new subscribers. Payment is charged to your Apple ID at confirmation of purchase. Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple ID account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Grasp E at none against Aventurine's 2. Grasp E also leads on rating (5.0 vs 4.7). Aventurine's advantage is update cadence (daily vs every 2 months). On price, ratings volume, ads 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. Aventurine sells 2 in-app purchases, starting at $4.99 per month. Grasp E asks for nothing beyond the download.
Grasp E holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Grasp E ships an update every 2 months, Aventurine daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Grasp E | Aventurine |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.7 (3 ratings) |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 59 MB | 85 MB |
| Age rating | 4+ | 12+ |
| Developer | Envizion Software LLC | KAZI ARIF ANWAR |
In-app purchases
Grasp E
No in-app purchases
Aventurine
- Aventurine Monthly$4.991 Month
- Annual$39.991 Year








