Comparison

Memo vs 4traders

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

Head to head
About

Memo

This app uses a flashcard-based approach to help users practice programming topics. It offers curated collections from basic to advanced levels, tracks user progress, and employs a spaced repetition algorithm to optimize learning. The application is community-built and encourages contributions.

Highlights
  • Flashcard-based learning
  • Programming topic collections
  • Spaced repetition algorithm
  • Progress tracking
  • Community-driven development
  • User sentiment logging
Features
Read full description

O Memo usa uma abordagem baseada em cartões de memória para ajudá-lo a praticar os assuntos de seu interesse em programação. Temos um conjunto original de coleções que vão desde os tópicos de programação mais básicos aos mais avançados. Cada coleção possui muitos recursos úteis e selecionados a mão que permitirão que você se aprofunde nos assuntos que deseja. Você pode registrar como se sentiu a cada Memo que responde e nós vamos registrar esses dados para lembrá-lo quando algum assunto precisa de prática. A partir desses processos, o aplicativo aprende seu comportamento e, usando nosso algoritmo de curva de esquecimento, Memo identifica quando é melhor mostrar um assunto específico novamente. Todo o aplicativo foi construído pela comunidade, para a comunidade. Quer fazer uma contribuição? Vá para o nosso Github

About

4traders

Master the stock and cryptocurrency markets with this app. It offers tools for secure investing, including market data, portfolio management, and exclusive community features. Access tutorials, courses, and expert analysis to enhance your investment knowledge.

Highlights
  • Market prices and indicators
  • Portfolio management
  • Investor community chat
  • Tutorials and courses
  • Expert market analysis
  • Cryptocurrency and NFT insights
Features
Read full description

Domine o mercado de ações e criptomoedas com a 4Traders! O nosso aplicativo possui todas as ferramentas que você precisa para investir com segurança e praticidade agora mesmo:
 - Preços, indicadores de mercado e gerenciamento de portfólio; - Chat exclusivo para a comunidade de investidores; - Tutoriais, cursos, relatórios e conteúdo exclusivo; - Análises de gráficos e projetos sugeridos pelos assinantes; - Podcasts - e muito mais! Se você quer ficar por dentro do que acontece com o mercado de criptomoedas, o app da 4Traders é onde você obtém as melhores informações sobre gemas, jogos em blockchain, NFTs e metaverso. Todo o conteúdo é feito pensado em você por uma equipe de especialistas do mercado. Não importa se você está iniciando no mercado ou já é um expert: a 4Traders tem o que você precisa rumo ao sucesso no mercado. Faça parte de nosso time de investidores! Temos de uso: https://4traders.in/termos-de-uso

Screenshots

Memo4 screens
4traders4 screens

Verdict

The call

The clearest difference is rating: Memo at 5.0 against 4traders's 3.0. Memo also leads on in-app purchases (none vs 1). 4traders's advantage is update cadence (every 3 weeks vs every 18 months) and review sentiment (100% vs 82%). On price, ratings volume, ads and monetization model 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. 4traders sells 1 in-app purchase, starting at $39.99 per month. Memo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Memo holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 82% of Memo's written reviews are positive against 100% of 4traders's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Memo ships an update every 18 months, 4traders every 3 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Memo versus 4traders: the parameters behind the verdict, then further details
ParameterMemo4traders
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews82.4% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 18 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size43 MB36 MB
Age rating4+4+
DeveloperOLYMPUS DESENVOLVIMENTO DE SOFTWARE LTDA4traders

Customer experience

Memo

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive82.4%
Neutral5.9%
Negative11.8%

4traders

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Memo

No in-app purchases

1 purchases

4traders

Subscriptions1
  • 4Traders Premium$39.991 Month

Questions

Is Memo free?
Memo is free to download, with no in-app purchases.
Is 4traders free?
4traders is free to download, with in-app purchases available.
Which has better reviews, Memo or 4traders?
Memo is rated higher. Memo averages 5.0 out of 5 from 1 ratings, while 4traders averages 3.0 from 1 ratings.
Do Memo or 4traders have ads?
Neither Memo nor 4traders shows ads.
Which is updated more often, Memo or 4traders?
Memo ships an update every 18 months, and 4traders every 3 weeks. Most recently, Memo was updated on September 30, 2026 and 4traders on October 7, 2026.

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