# Institut Premià de Mar vs BID

The clearest difference is update cadence: BID at every 3 months against Institut Premià de Mar's every 7 months. Institut Premià de Mar's advantage is iOS requirement (12.0 vs 15.0). 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.

Institut Premià de Mar ships an update every 7 months, BID every 3 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Institut Premià de Mar | BID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 3 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [David Ruiz](https://appshunter.io/developer/649299869) | [Consell General de Cambres de Catalunya](https://appshunter.io/developer/1440578732) |

## What reviewers say

### Institut Premià de Mar

[App page](https://appshunter.io/ios/app/institut-premia-de-mar/id699854684)

**Features:** macOS Compatibility

**In-app purchases:** none


### BID

[App page](https://appshunter.io/ios/app/bid/id6470820638)

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

**In-app purchases:** none


## Frequently asked questions

### Is Institut Premià de Mar free?

Institut Premià de Mar is free to download, with no in-app purchases.

### Is BID free?

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

### Do Institut Premià de Mar or BID have ads?

Neither Institut Premià de Mar nor BID shows ads.

### Which is updated more often, Institut Premià de Mar or BID?

Institut Premià de Mar ships an update every 7 months, and BID every 3 months. Most recently, Institut Premià de Mar was updated on November 6, 2026 and BID on October 30, 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.*