# SerproID vs Certisign

The clearest difference is review sentiment: SerproID at 48% against Certisign's 30%. 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.

SerproID ships an update every 2 months, Certisign monthly. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SerproID | Certisign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (180 ratings)](https://appshunter.io/ios/app/serproid/id1218969864/reviews)** | — |
| Number of ratings | **180** | — |
| Positive reviews | **48.3% of reviews** | 30.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 16 MB | 109 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| 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

### SerproID

[App page](https://appshunter.io/ios/app/serproid/id1218969864)

Utilize certificados digitais ICP-Brasil em dispositivos móveis com segurança e alta disponibilidade. Autentique-se e assine documentos eletrônicos com validade jurídica de qualquer lugar, sem a necessidade de dispositivos físicos.

**Highlights:** Mobile ICP-Brasil digital certificate use, Electronic authentication, Digital signatures, Action history tracking, Device and station management

**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 SerproID free?

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

### Is Certisign free?

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

### Do SerproID or Certisign have ads?

Neither SerproID nor Certisign shows ads.

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

SerproID ships an update every 2 months, and Certisign monthly. Most recently, SerproID was updated on October 19, 2026 and Certisign on October 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.*