Memhack vs B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memhack
This app uses a spaced repetition system to help you memorize vocabulary, sentences, and grammar rules. It provides pre-made flashcards created by teachers for an optimal learning experience. Sync your progress across devices and focus on learning without the hassle of creating your own study materials.
- Spaced repetition system algorithm
- Teacher-created flashcards
- Personalized review schedule
- Intuitive and user-friendly interface
- Web and mobile app sync
- Pre-made study materials
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Join thousands of students and memorize words, sentences, expressions and grammar rules in a simple and intuitive way! Memhack is an app that uses a powerful SRS (spaced repetition system) algorithm to help you fix content: no more forgetting everything within days after you study! All the flashcards were created by teachers in order to guarantee the best learning experience possible in any language! It works in a very simple way: during your Fluency Academy classes, you will learn a lot of new words and expressions, and after class you’ll be able to practice them all by using Memhack! Reinforce the content seen in class through an algorithm that is personalized for you: the app learns with your answers and shows the cards you need to review at the right moment. Don’t waste hours and hours planning and creating cards or lists from scratch - our team of teachers has already done that for you! This way, you can focus on what really matters: learning. To make your learning even easier, we created an intuitive and user-friendly interface, all you have to do is open the app and study! All your progress is synced with the web app, which means you can study on both your computer or smartphone. So hey, let’s revolutionize your way of learning languages?
B
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The official B-MRS Meeting 2026 app is your essential companion for the Brazilian Materials Research Society Annual Meeting, taking place from September 27th to October 1st, 2026, in Curitiba, Paraná, Brazil. The B-MRS Meeting is a traditional international forum dedicated to recent advances, innovative research and future perspectives in Materials Science and related technologies. The event brings together scientists, engineers, students and professionals from academia and industry, creating an outstanding environment for exchanging knowledge, strengthening collaborations and exploring the latest developments in the field. Use the official app to make the most of your B-MRS Meeting 2026 experience: • Explore the complete scientific program • Browse symposia, sessions, presentations and activities • Find information about speakers, authors and scientific contributions • Search for papers and presentations • Create and manage your personal schedule • Quickly find the activities that interest you • Access useful congress information directly from your mobile device • Stay informed throughout the event The B-MRS Meeting 2026 will feature a comprehensive scientific program covering cutting-edge topics across Materials Science and related fields, providing opportunities for scientific exchange, networking and interaction between academia and industry. The Meeting will be held at Cruzeiro do Sul Conecta in Curitiba, one of Brazil's most innovative, sustainable and well-planned cities. Known as Brazil's "green capital," Curitiba combines extensive green areas, cultural diversity, innovative urban planning and a rich multicultural heritage. Whether you are attending to present your research, discover new scientific developments, meet colleagues or establish new collaborations, the B-MRS Meeting 2026 app helps you organize your participation and keep important event information at your fingertips. Download the official B-MRS Meeting 2026 app and get ready for five days of science, innovation, collaboration and Materials Science in Curitiba.
Screenshots
Verdict
The clearest difference is iOS requirement: Memhack at 12.0 against B's 15.5. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Memhack | B |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 40.5% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 81 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | FLUENCY ACADEMY ENSINO DE IDIOMAS | Aptor Consultoria e Desenvolvimento de Software LTDA |
Bugs and requests
Memhack
Reported bugs
17 issues- App closes unexpectedly during study sessions
- Cannot log in or reset password
- Decks disappear or are deleted
- Progress is not saved
- App freezes or becomes unresponsive
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- Cards do not load or are not counted
- Login information is not recognized
- App crashes during card review
- Repetition count is incorrect
- Audio is missing from most cards
- App does not work offline
- Looping issue where decks restart
- App redirects to website login
- App does not save study days
- Error messages without explanation
- Features not working after updates
- AI for spaced repetition is inconsistent
Requested features
17 requests- Option to delete cards/decks
- Ability to create custom subjects/classes
- Integration with Fluency Academy lessons/videos
- Option to create own cards or export existing ones
- Feature to practice pronunciation with AI or real people
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- Option to add own cards
- Ability to study in reverse (Portuguese -> Spanish)
- Widgets for home screen
- Motivation features (rewards, skins, avatar, rankings)
- Automatic audio playback after flipping card
- Option to click on evaluation emoji to skip translation
- More ways to train and memorize
- Option to create own subjects or word/phrase classes
- Option to add new cards
- Notification system for study times
- Allow more than 1 session per day
- Add words of interest
B
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Memhack
No in-app purchases
B
No in-app purchases








