# PREVI vs B3

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.

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

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.

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

## The numbers

| Metric | PREVI | B3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/previ/id1196343450/reviews) | **[4.8 (134 ratings)](https://appshunter.io/ios/app/b3/id6754036570/reviews)** |
| Number of ratings | 4 | **134** |
| Positive reviews | 0.0% of reviews | **75.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 117 MB | 73 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Caixa de Previdencia dos Funcionarios do Banco do Brasil](https://appshunter.io/developer/1196343449) | [B3 S.A. – Brasil, Bolsa, Balcao](https://appshunter.io/developer/1011787393) |

## What reviewers say

### PREVI

[App page](https://appshunter.io/ios/app/previ/id1196343450)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### B3

[App page](https://appshunter.io/ios/app/b3/id6754036570)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*