# Web PKI vs Adapta One

The clearest difference is rating: Adapta One at 4.9 against Web PKI's 1.0. Adapta One also leads on update cadence (weekly vs every 2 months) and review sentiment (57% vs 30%). Web PKI's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (8.2 vs 16.4). 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.

Adapta One holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Adapta One has 87 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 30% of Web PKI's written reviews are positive against 57% of Adapta One's.

Web PKI ships an update every 2 months, Adapta One weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Web PKI | Adapta One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/web-pki/id1390701957/reviews) | **[4.9 (87 ratings)](https://appshunter.io/ios/app/adapta-one/id6745405588/reviews)** |
| Number of ratings | 4 | **87** |
| Positive reviews | 30.0% of reviews | **56.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 98 MB | 108 MB |
| Requires iOS | **8.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +17 |
| Developer | [Lacuna Software](https://appshunter.io/developer/1390701956) | [Adapta Educação LTDA](https://appshunter.io/developer/1752737058) |

## 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


### Adapta One

[App page](https://appshunter.io/ios/app/adapta-one/id6745405588)

This AI chatbot platform integrates multiple models and manages your documents for AI processing. It offers a comprehensive solution for utilizing advanced AI capabilities in one place.

**Highlights:** Multiple AI models on one platform, Document management for AI processing, Comprehensive AI chatbot solution, Integrated AI capabilities

**In-app purchases:** none


## Frequently asked questions

### Is Web PKI free?

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

### Is Adapta One free?

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

### Which has better reviews, Web PKI or Adapta One?

Adapta One is rated higher. Web PKI averages 1.0 out of 5 from 4 ratings, while Adapta One averages 4.9 from 87 ratings.

### Do Web PKI or Adapta One have ads?

Neither Web PKI nor Adapta One shows ads.

### Which is updated more often, Web PKI or Adapta One?

Web PKI ships an update every 2 months, and Adapta One weekly. Most recently, Web PKI was updated on October 8, 2026 and Adapta One on October 15, 2026.

---

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