# Software602 Signer vs eProtokol

The clearest difference is in-app purchases: eProtokol at none against Software602 Signer's 2. eProtokol also leads on update cadence (every 2 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Software602 Signer sells 2 one-off in-app purchases. eProtokol asks for nothing beyond the download.

Software602 Signer ships an update every 3 months, eProtokol every 2 days. The most recent releases landed on July 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Software602 Signer | eProtokol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/software602-signer/id947419894/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 60 MB | 56 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Software602 a.s.](https://appshunter.io/developer/479863340) | [Vaclav Klicka](https://appshunter.io/developer/1828216058) |

## What reviewers say

### Software602 Signer

[App page](https://appshunter.io/ios/app/software602-signer/id947419894)

This premium tool facilitates electronic signatures, time stamps, and data mailbox management. It supports authorization of various document types and mobile photos with GPS data, utilizing qualified digital signatures and remote certificate storage.

**Highlights:** Electronic signature authorization, Time stamping, Data mailbox management, Support for PDF, PDF/A, Office 365 documents, XML form data authorization, Mobile photo authorization with GPS, Qualified digital signature creation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Next year of Signer usage | $49.99 | one-time |
| Signer Licence + 1 year | $129.99 | one-time |


### eProtokol

[App page](https://appshunter.io/ios/app/eprotokol/id6748954466)

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

**In-app purchases:** none


## Frequently asked questions

### Is Software602 Signer free?

Software602 Signer is free to download, with in-app purchases available.

### Is eProtokol free?

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

### Do Software602 Signer or eProtokol have ads?

Neither Software602 Signer nor eProtokol shows ads.

### Which is updated more often, Software602 Signer or eProtokol?

Software602 Signer ships an update every 3 months, and eProtokol every 2 days. Most recently, Software602 Signer was updated on July 21, 2026 and eProtokol on September 11, 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.*