# Web PKI vs SindStart

The clearest difference is update cadence: SindStart at fortnightly against Web PKI'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.

Web PKI ships an update every 3 months, SindStart fortnightly. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Web PKI | SindStart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/web-pki/id1390701957/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 31 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Lacuna Software](https://appshunter.io/developer/1390701956) | [Viva Max - Plano Familiar de Beneficios](https://appshunter.io/developer/1643932321) |

## 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


### SindStart

[App page](https://appshunter.io/ios/app/sindstart/id6741454041)

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

**In-app purchases:** none


## Frequently asked questions

### Is Web PKI free?

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

### Is SindStart free?

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

### Do Web PKI or SindStart have ads?

Neither Web PKI nor SindStart shows ads.

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

Web PKI ships an update every 3 months, and SindStart fortnightly. Most recently, Web PKI was updated on October 25, 2026 and SindStart on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*