BioSigner vs CNB Rates
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BioSigner
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BioSigner is based on the SealSign solution, from 11Paths ,a Telefonica Company. SealSign Engine is an enterprise server that integrates electronic and biometric signature of documents in business applications and mobility devices. It is a complete, flexible and versatile signature engine: • Web service-based architecture. • Signature of any electronic document format: PDF, XML, Office,... • Generation of standard signature formats: ISO/IEC CD 19794-7.2. • Allows time stamping signatures. • Allows mobility signatures from smartphone and tablets. • Has several connectors for integrating business applications and document management. SealSign Engine is part of the complete electronic and biometric which fits with its different modules to the specific needs of each business environment. More information in our web page: https://www.elevenpaths.com/es/tecnologia/sealsign/index.html Terms of service: https://www.elevenpaths.com/pdfs_eulas/SealSign_EULA-2015_Evaluation.pdf
CNB Rates
This app displays the current currency exchange rates as published by the Czech National Bank. It provides up-to-date information on foreign currency values for users interested in financial markets.
- Current currency exchange rates
- Czech National Bank data
- Foreign currency values
- Up-to-date financial information
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The application shows current exchange rates of currencies traded by the Czech National Bank.
Screenshots
Verdict
The clearest difference is in-app purchases: BioSigner at none against CNB Rates's 1. BioSigner also leads on update cadence (every 2 months vs every 35 months) and iOS requirement (8.0 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CNB Rates sells 1 one-off in-app purchase. BioSigner asks for nothing beyond the download.
BioSigner ships an update every 2 months, CNB Rates every 35 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.
| Parameter | BioSigner | CNB Rates |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 2 months — better | Every 35 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 16 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Factum Identity Solutions SL | Martin Stanek |
In-app purchases
BioSigner
No in-app purchases
CNB Rates
- Pro Features$0.99
