# Software602 Signer vs OptimTyre

The clearest difference is in-app purchases: OptimTyre at none against Software602 Signer's 2. OptimTyre also leads on iOS requirement (11.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Software602 Signer | OptimTyre |
| --- | --- | --- |
| 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 3 months |
| Monetization | Free | — |
| Size | 60 MB | 24 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Software602 a.s.](https://appshunter.io/developer/479863340) | [OPTIM services s.r.o.](https://appshunter.io/developer/1157644653) |

## 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 |
| --- | --- | --- |
| Signer Licence + 1 year | $129.99 | one-time |
| Next year of Signer usage | $129.99 | one-time |


### OptimTyre

[App page](https://appshunter.io/ios/app/optimtyre/id1037270633)

**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 OptimTyre free?

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

### Do Software602 Signer or OptimTyre have ads?

Neither Software602 Signer nor OptimTyre shows ads.

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

Software602 Signer ships an update every 3 months, and OptimTyre every 3 months. Most recently, Software602 Signer was updated on October 24, 2026 and OptimTyre on October 7, 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.*