Comparison

PREVI vs B3

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

Head to head
About

PREVI

Access information about your pension plan and manage your account on the go. This app provides news and self-service options for participants of Plano 1 and Previ Futuro. Log in with your existing website credentials.

Highlights
  • Pension plan information
  • News updates
  • Self-service options
  • Account management
  • Secure login
Features
Read full description

App para os participantes do Plano 1 e Previ Futuro. É a Previ na palma de sua mão. Aqui você encontra informações sobre seu Plano, notícias e serviços de Autoatendimento. Para acessar, basta usar mesma senha do site Previ. Seja bem-vindo!

About

B3

Manage your investments and personal finances on a single, secure platform. Track your portfolio across all brokerages, view unified transaction statements, and monitor your wealth growth with personalized news and intuitive charts.

Highlights
  • Consolidate investments from all brokerages
  • Unified transaction statements
  • Monitor wealth evolution with charts
  • Personalized investment news
  • Track fixed income, variable income, and funds
Read full description

Conheça o novo App B3, o aplicativo oficial da Área do Investidor da Bolsa de Valores do Brasil, feito para transformar suas decisões de investimento em resultados de alto impacto. Gerencie seu patrimônio e tenha acesso à informações detalhadas sobre suas finanças pessoais em uma só plataforma, com segurança e praticidade. No novo App B3, você encontra funcionalidades essenciais e gratuitas para acompanhar seus investimentos, seja em Renda Fixa, Renda Variável ou Fundos de Investimento. Consolidação de informações: visualize seus investimentos disponíveis em todas corretoras em uma única plataforma e tenha maior facilidade na gestão da sua carteira. Extrato unificado: acesse extratos de todas as movimentações, como juros, transferências, taxas, proventos, rendimentos, compras e vendas. Evolução patrimonial: monitore a evolução do seu patrimônio com gráficos intuitivos e personalizados, facilitando o acompanhamento e a gestão da sua carteira. Notícias personalizadas: receba informações relevantes para o seu perfil de investidor e acompanhe as notícias que impactam o mercado para entender as melhores oportunidades de investimento. Descubra a evolução do gerenciamento patrimonial e acesse todos os seus investimentos em um só lugar para monitorar sua evolução financeira com maior praticidade. Faça o download agora mesmo e conheça o novo App B3!

Screenshots

PREVI4 screens
B34 screens

Verdict

The call

The clearest difference is review sentiment: B3 at 76% against PREVI's 0%. B3 also leads on rating (4.8 vs 2.5) and ratings volume (134 vs 4). 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

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

B3 holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: B3 has 134 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of PREVI's written reviews are positive against 76% of B3's.

UpkeepUpdate frequency

PREVI ships an update every 10 days, B3 fortnightly. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
PREVI versus B3: the parameters behind the verdict, then further details
ParameterPREVIB3
PriceFreeFree
Rating2.5 (4 ratings)4.8 (134 ratings) — better
Positive reviews0.0% of reviews75.7% of reviews — better
Number of ratings4134 — better
Update frequencyEvery 10 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size117 MB73 MB
Age rating4++4
DeveloperCaixa de Previdencia dos Funcionarios do Banco do BrasilB3 S.A. – Brasil, Bolsa, Balcao

Customer experience

PREVI

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

B3

All ratings134 ratings
Positive97.0%
Neutral2.2%
Negative0.7%
Written reviews70 reviews
Positive75.7%
Neutral7.1%
Negative17.1%

In-app purchases

None

PREVI

No in-app purchases

None

B3

No in-app purchases

Questions

Is PREVI free?
PREVI is free to download, with no in-app purchases.
Is B3 free?
B3 is free to download, with no in-app purchases.
Which has better reviews, PREVI or B3?
B3 is rated higher. PREVI averages 2.5 out of 5 from 4 ratings, while B3 averages 4.8 from 134 ratings.
Do PREVI or B3 have ads?
Neither PREVI nor B3 shows ads.
Which is updated more often, PREVI or B3?
PREVI ships an update every 10 days, and B3 fortnightly. Most recently, PREVI was updated on September 17, 2026 and B3 on September 22, 2026.

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