Spacify vs RememberThat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spacify
This app helps you retain information by creating smart flashcards. It uses a scientifically proven spaced repetition algorithm to optimize memorization and offers a minimalist design to minimize distractions. Learn and remember anything, from vocabulary to complex facts, with this efficient study tool.
- Create smart flashcards
- Spaced Repetition algorithm
- iCloud sync & backup
- Minimalist design
- Rich text editor
- Offline and online functionality
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Spacify turns study time into memories that stick — whether you're learning vocabulary, historical dates, law paragraphs, medical definitions, or formulas. Highlights: • Adaptive spaced repetition, built on decades of memory research — 30% fewer reviews for the same recall • Fill-in-the-blanks cards: hide any word, image, or formula — each blank is reviewed on its own schedule • Home Screen widgets show your due cards and streak at a glance • Daily-digest reminders • LaTeX formula rendering for beautifully typeset math, chemistry and equations • Insert pictures from your camera or photo library • Tags for topic-specific reviewing (Pro) • Already have cards in Google Sheets? Paste the link, study in seconds • iCloud sync & backup across all your devices • Rich text editor, Dark Mode, works offline and online • No limits on number of cards you can create Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RememberThat
This app uses AI to create study questions from your class materials. It automatically tracks your knowledge and quizzes you on fading concepts, aiming to reduce study time and improve grades. Manage classes and track your preparedness with a single tap.
- AI-powered question generation
- Automatic knowledge tracking
- Targeted quizzing on fading concepts
- Class management
- Grade improvement focus
- Cognitive science-based learning
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Press a button, improve your grades! One tap to study. One screen to manage your classes. One number to track your knowledge. Easily manage all your classes, and immediately see how prepared you are to ace your tests with a single tap. RememberThat(™) automatically tracks how well you know every concept in your class, and quizzes you only on your knowledge that is fading. This helps reduce study time by over 50% while maximizing your grades. The only app powered by Cognitive Science AI, RememberThat takes any text, automatically creates questions from it, and tracks how well you know the answer to each question. The "Boost" button is the most effective way ever created to study. It takes the concepts you know the least and only quizzes you on them. Never waste time studying the same sets over and over, or manually tagging every single item you need to study for later. Just tap the “Boost” button to study what you need to automatically!
Screenshots
Verdict
The clearest difference is in-app purchases: RememberThat at none against Spacify's 3. RememberThat also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (14 vs 18.0). Spacify's advantage is review sentiment (86% vs 69%). On price, 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. Spacify sells 3 in-app purchases, starting at $2.99 per month. RememberThat asks for nothing beyond the download.
Spacify ships an update every 3 weeks, RememberThat every 8 days. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.
| Parameter | Spacify | RememberThat |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (21 ratings) — better |
| Positive reviews | 85.7% of reviews — better | 69.2% of reviews |
| Number of ratings | — | 21 — better |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 14 — better |
| Further details — not scored | ||
| Size | 31 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Denis Semenov | Cerego, Inc |
Customer experience
Spacify
RememberThat
In-app purchases
Spacify
- Monthly Subscription$2.991 Month
- 3 Months Subscription$2.993 Months
- Annual Subscription14 Days trial$19.991 Year
RememberThat
No in-app purchases









