# Web PKI vs SGPe

The clearest difference is update cadence: Web PKI at every 2 months against SGPe's every 25 months. Web PKI also leads on ratings volume (4 vs 1). SGPe's advantage is iOS requirement (11.0 vs 15.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 1.0 for Web PKI against 1.0 for SGPe. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Web PKI ships an update every 2 months, SGPe every 25 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Web PKI | SGPe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/web-pki/id1390701957/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/sgpe-casan/id1599351864/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 31 MB | 15 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 17+ |
| Developer | [Lacuna Software](https://appshunter.io/developer/1390701956) | [Companhia Catarinense de Aguas e Saneamento Casan](https://appshunter.io/developer/1340452506) |

## What reviewers say

### Web PKI

[App page](https://appshunter.io/ios/app/web-pki/id1390701957)

Perform digital signatures using certificates from your mobile device on compatible websites and applications. Securely authenticate documents and transactions on the go.

**Highlights:** Digital signatures with mobile certificates, Compatibility with websites, Compatibility with applications, Secure authentication

**Features:** Vision Pro support

**In-app purchases:** none


### SGPe

[App page](https://appshunter.io/ios/app/sgpe-casan/id1599351864)

Streamline administrative processes with this app, enabling quick requests for document signing on electronic cases. Sign documents from anywhere using your smartphone or tablet.

**Highlights:** Electronic process management, Document signing requests, Mobile document signing, Administrative process agility, Smartphone and tablet support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Web PKI free?

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

### Is SGPe free?

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

### Which has better reviews, Web PKI or SGPe?

Web PKI and SGPe are both rated 1.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Web PKI or SGPe have ads?

Neither Web PKI nor SGPe shows ads.

### Which is updated more often, Web PKI or SGPe?

Web PKI ships an update every 2 months, and SGPe every 25 months. Most recently, Web PKI was updated on October 29, 2026 and SGPe on October 12, 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.*