# Sabesp Mobile vs Web PKI

The clearest difference is rating: Sabesp Mobile at 4.9 against Web PKI's 1.0. Sabesp Mobile also leads on update cadence (weekly vs every 2 months) and ratings volume (255 vs 4). Web PKI's advantage is iOS requirement (8.2 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sabesp Mobile holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Sabesp Mobile has 255 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 43% of Sabesp Mobile's written reviews are positive against 30% of Web PKI's.

Sabesp Mobile ships an update weekly, Web PKI every 2 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sabesp Mobile | Web PKI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (255 ratings)](https://appshunter.io/ios/app/sabesp-mobile/id1184961285/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/web-pki/id1390701957/reviews) |
| Number of ratings | **255** | 4 |
| Positive reviews | **42.5% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 72 MB | 98 MB |
| Requires iOS | 15.1 | **8.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Companhia de Saneamento B�sico do Estado de S�o Paulo](https://appshunter.io/developer/945750508) | [Lacuna Software](https://appshunter.io/developer/1390701956) |

## What reviewers say

### Sabesp Mobile

[App page](https://appshunter.io/ios/app/sabesp-mobile/id1184961285)

Manage your water services with this official app. Easily check your consumption, pay bills, and report issues like water outages or leaks. Access essential services conveniently from anywhere.

**Highlights:** Consult monthly consumption, Track and pay bills, Report water outages, Report leaks, Access Sabesp services

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sabesp Mobile free?

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

### Is Web PKI free?

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

### Which has better reviews, Sabesp Mobile or Web PKI?

Sabesp Mobile is rated higher. Sabesp Mobile averages 4.9 out of 5 from 255 ratings, while Web PKI averages 1.0 from 4 ratings.

### Do Sabesp Mobile or Web PKI have ads?

Neither Sabesp Mobile nor Web PKI shows ads.

### Which is updated more often, Sabesp Mobile or Web PKI?

Sabesp Mobile ships an update weekly, and Web PKI every 2 months. Most recently, Sabesp Mobile was updated on October 20, 2026 and Web PKI on October 8, 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.*