# ID Piauí vs Diolho

The clearest difference is update cadence: ID Piauí at every 2 months against Diolho's every 12 months. ID Piauí also leads on iOS requirement (13.0 vs 15.1). 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.

ID Piauí ships an update every 2 months, Diolho every 12 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ID Piauí | Diolho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/id-piaui/id1633984742/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free | — |
| Size | 142 MB | 85 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ATI - Agência de Tecnologia da Informação do Piauí](https://appshunter.io/developer/1409260840) | [FIW SOLUCOES TECNOLOGICAS LTDA](https://appshunter.io/developer/1558717557) |

## What reviewers say

### ID Piauí

[App page](https://appshunter.io/ios/app/id-piaui/id1633984742)

This app provides a secure and convenient digital version of your Piauí state identity card. Access your ID offline after initial validation, store it securely with biometric and password protection, and use it nationwide with the same legal validity as the printed version.

**Highlights:** Digital Piauí identity card, Offline access after first validation, Biometric and password protection, Nationwide legal validity, Manage dependent IDs, Secure digital sharing

**Features:** Vision Pro support

**In-app purchases:** none


### Diolho

[App page](https://appshunter.io/ios/app/diolho/id6737565804)

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

**In-app purchases:** none


## Frequently asked questions

### Is ID Piauí free?

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

### Is Diolho free?

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

### Do ID Piauí or Diolho have ads?

Neither ID Piauí nor Diolho shows ads.

### Which is updated more often, ID Piauí or Diolho?

ID Piauí ships an update every 2 months, and Diolho every 12 months. Most recently, ID Piauí was updated on October 25, 2026 and Diolho on October 14, 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.*