ReBrain vs smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReBrain
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ReBrain is a flashcard learning app powered by a spaced repetition algorithm based on the forgetting curve. Instead of simple repetition, cards are shown at the optimal timing based on how well you remember them—helping you learn efficiently and retain information long-term. Features ・Multiple study modes: Learn with flashcards, typing, multiple-choice quizzes, and red-sheet mode. ・Quick Search: Instantly look up words with a single tap. ・Smart Study: Review based on the forgetting curve. Cards you struggle with appear more frequently, while well-learned cards appear less often. ・Custom themes (Pro): Personalize the app with different colors, fonts, and icons. There are no ads in the app, and all learning-related features are completely free. Additional customization options require a purchase. For more details, please visit our website. Site: https://rebrainapp.studio.site Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https:// rebrainapp.studio.site/privacypolicy
smart
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Fun Way to Learn • Interactive educational games covering multiple subjects • Curriculum-aligned content for grades K-12 • Learn Math, Science, Languages, History, and more • Bite-sized lessons wrapped in exciting gameplay Comprehensive Coverage • Aligned with standard educational curricula • Topic-wise organized content • Progressive difficulty levels • Regular content updates Competitive Learning • Real-time multiplayer challenges • Daily quests and achievements • Global and class-specific leaderboards • Weekly tournaments with exciting rewards Personalized Experience • Create your unique student profile • Track progress with detailed analytics • Customize your learning avatar • Set personal learning goals Progress Tracking • Detailed performance metrics • Subject-wise progress reports • Weakness identification • Learning path recommendations Key Features: • Engaging educational games • Curriculum-aligned content • Progress tracking • Personalized learning paths • Regular content updates • Offline mode available • Safe and secure environment Why Choose smart-games ? • Makes learning fun and engaging • Builds competitive spirit • Improves subject understanding • Tracks progress effectively • Creates healthy learning habits • Provides instant feedback • Supports continuous improvement Technical Requirements: • Requires iOS 12.0 or later • Compatible with iPhone, iPad Privacy & Safety: • No third-party advertisements • Secure user data protection • No in-app purchases
Screenshots
Verdict
The clearest difference is in-app purchases: smart at none against ReBrain's 3. smart also leads on iOS requirement (12.0 vs 18.2). ReBrain's advantage is update cadence (every 10 days vs every 2 months). 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. ReBrain sells 3 in-app purchases, starting at $1.99 per month. smart asks for nothing beyond the download.
ReBrain ships an update every 10 days, smart every 2 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.
| Parameter | ReBrain | smart |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 86 MB | 172 MB |
| Age rating | 4+ | 4+ |
| Developer | ryota hatazawa | Rahul Garg |
In-app purchases
ReBrain
- ReBrain Pro 月額$1.991 Month
- ReBrain Pro 年額$5.991 Year
- ReBrain Pro 買い切り$9.99
smart
No in-app purchases









