Comparison

Memhack vs Reservatório de Dopamina

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Spaced repetition system algorithm
  • Teacher-created flashcards
  • Personalized review schedule
  • Intuitive and user-friendly interface
  • Web and mobile app sync
  • Pre-made study materials
Features
Read full description

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?

About

Reservatório de Dopamina

This platform offers over 200 hours of video lessons and PDF materials based on neuroscience and psychology. It aims to help users develop healthy habits, overcome procrastination, and improve various life areas like entrepreneurship and finance through structured learning paths and a supportive online community.

Highlights
  • Neuroscience and psychology lessons
  • Habit formation and self-improvement
  • Over 200 hours of video content
  • PDF materials with exercises
  • Online community for interaction
  • Structured learning paths
Features
Read full description

O Reservatório de Dopamina é uma plataforma que reúne conhecimentos da Neurociência e da Psicologia para promover hábitos saudáveis e proporcionar um estilo de vida de qualidade para pessoas comuns. Oferecemos uma diversidade de aulas sobre tópicos específicos para te ajudar a dormir bem, acabar com a procrastinação, destruir vícios, criar bons hábitos e muito mais. São mais de 200 horas de conteúdos embasados em evidências científicas e ministrados por professores com ampla experiência em suas respectivas áreas. O RD é destinado a pessoas de todas as idades, profissões, níveis de escolaridade e diferentes lugares do mundo, pois nossos conteúdos são apresentados de forma simples e aplicável à vida cotidiana. Além disso, organizamos tudo em trilhas para te ajudar na resolução de problemas específicos. Também oferecemos módulos para aprimorar várias áreas da vida, como Empreendedorismo, Marketing, Musculação, Inglês, Culinária, Finanças, Nutrição, Autogestão e outros. Nossos conteúdos são apresentados em vídeo e têm materiais em PDF com exercícios para você aplicar os ensinamentos na prática. E, em algumas aulas, há artigos científicos em anexo para quem deseja se aprofundar ainda mais em tópicos específicos. O RD conta com uma comunidade on-line (a Jugular) em que você pode interagir com mais de 190 mil alunos, conhecidos como RDs. Nela, é possível compartilhar sua jornada de transformação pessoal e profissional, fazer amigos e participar de encontros presenciais organizados por outros RDs. Lá, você também tem acesso a atividades on-line como o Clube do Livro semanal ao vivo e um evento de conferências chamado DOPA Talks. O Reservatório de Dopamina é o que você precisa para alcançar seus objetivos com conhecimento e excelência sem perder a saúde mental. Ou seja: voar alto de forma leve, como um balão! Atenção: o Reservatório de Dopamina não substitui terapia com um profissional especializado, mas sim oferece uma base neurocientífica para melhorar sua rotina e te ajudar a viver de modo saudável, nos âmbitos pessoal e profissional.

Screenshots

Memhack4 screens
Reservatório de Dopamina3 screens

Verdict

The call

Memhack and Reservatório de Dopamina both sit at 5.0 stars, but that hides the real split: 82% of Reservatório de Dopamina's written reviews are positive against 41% of Memhack's. Reservatório de Dopamina also leads on ratings volume (91 vs 10). Memhack's advantage is monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.0). On price, rating, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Memhack against 5.0 for Reservatório de Dopamina. That said, the two scores are not equally well evidenced: Reservatório de Dopamina has 91 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 41% of Memhack's written reviews are positive against 82% of Reservatório de Dopamina's.

UpkeepUpdate frequency

Memhack ships an update monthly, Reservatório de Dopamina every 3 weeks. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Memhack versus Reservatório de Dopamina: the parameters behind the verdict, then further details
ParameterMemhackReservatório de Dopamina
PriceFreeFree
Rating5.0 (10 ratings)5.0 (91 ratings)
Positive reviews40.5% of reviews82.1% of reviews — better
Number of ratings1091 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size81 MB102 MB
Age rating4++4
DeveloperFLUENCY ACADEMY ENSINO DE IDIOMASReservatório de Dopamina

Customer experience

Memhack

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews79 reviews
Positive40.5%
Neutral15.2%
Negative44.3%

Reservatório de Dopamina

All ratings91 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews28 reviews
Positive82.1%
Neutral3.6%
Negative14.3%

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
Show 12 more
  • 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
Show 12 more
  • 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

Reservatório de Dopamina

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Memhack

No in-app purchases

None

Reservatório de Dopamina

No in-app purchases

Questions

Is Memhack free?
Memhack is free to download, with no in-app purchases.
Is Reservatório de Dopamina free?
Reservatório de Dopamina is free to download, with no in-app purchases.
Which has better reviews, Memhack or Reservatório de Dopamina?
Memhack and Reservatório de Dopamina are both rated 5.0 out of 5 on the App Store, from 10 and 91 ratings respectively.
Do Memhack or Reservatório de Dopamina have ads?
Neither Memhack nor Reservatório de Dopamina shows ads.
Which is updated more often, Memhack or Reservatório de Dopamina?
Memhack ships an update monthly, and Reservatório de Dopamina every 3 weeks. Most recently, Memhack was updated on September 28, 2026 and Reservatório de Dopamina on September 29, 2026.

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