# ISM en tu Bolsillo vs Proview

The clearest difference is update cadence: Proview at every 4 weeks against ISM en tu Bolsillo's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ISM en tu Bolsillo ships an update every 4 months, Proview every 4 weeks. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ISM en tu Bolsillo | Proview |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 2.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 188 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gerencia Informatica de la Seguridad Social](https://appshunter.io/developer/588732539) | [COLVEN S.A.](https://appshunter.io/developer/1436968131) |

## What reviewers say

### ISM en tu Bolsillo

[App page](https://appshunter.io/ios/app/ism-en-tu-bolsillo/id1576829388)

This app simplifies managing your relationship with the Spanish Social Marine Institute. Access personalized health and social security services, download important documents, and manage training requests. It's designed for maritime workers to handle all their administrative tasks efficiently.

**Highlights:** Personalized health and social security services, Download medical reports and certificates, Access retirement simulator, Manage maritime and health training, Request European Health Insurance Card, Electronic document submission, Consultation mailbox

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Proview

[App page](https://appshunter.io/ios/app/proview/id6602881132)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISM en tu Bolsillo free?

ISM en tu Bolsillo is free to download, with no in-app purchases.

### Is Proview free?

Proview is free to download, with no in-app purchases.

### Do ISM en tu Bolsillo or Proview have ads?

Neither ISM en tu Bolsillo nor Proview shows ads.

### Which is updated more often, ISM en tu Bolsillo or Proview?

ISM en tu Bolsillo ships an update every 4 months, and Proview every 4 weeks. Most recently, ISM en tu Bolsillo was updated on October 1, 2026 and Proview on September 20, 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.*