# Datavalid vs Certisign

The clearest difference is update cadence: Certisign at every 5 weeks against Datavalid's every 3 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.

Datavalid ships an update every 3 months, Certisign every 5 weeks. Both last shipped on September 30, 2026.

## The numbers

| Metric | Datavalid | Certisign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 30.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 84 MB | 79 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | +4 |
| Developer | [Servico Federal de Processamento de Dados (SERPRO)](https://appshunter.io/developer/529883044) | [Certisign](https://appshunter.io/developer/669158783) |

## What reviewers say

### Datavalid

[App page](https://appshunter.io/ios/app/datavalid/id6502915751)

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

**In-app purchases:** none


### Certisign

[App page](https://appshunter.io/ios/app/certisign/id6751283583)

Manage your digital identity and cloud-based digital certificates with ease and security. Authenticate access, manage certificates, and request support for a more practical and secure digital life.

**Highlights:** Cloud digital certificate management, Digital identity control, Access authentication, Support requests, Secure digital environment

**In-app purchases:** none


## Frequently asked questions

### Is Datavalid free?

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

### Is Certisign free?

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

### Do Datavalid or Certisign have ads?

Neither Datavalid nor Certisign shows ads.

### Which is updated more often, Datavalid or Certisign?

Datavalid ships an update every 3 months, and Certisign every 5 weeks. Most recently, Datavalid was updated on September 30, 2026 and Certisign on September 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.*