QausalUbQbit
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Tvarka SignSocialiniai algoritmai, UAB
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Related Products
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Qausal:
About
Qausal is a web-based electronic-signature platform for preparing and verifying signed PDF documents. Users can upload a PDF, invite one or more signers, assign signing roles and sequence, and track signature progress; invitees can sign without creating an account. Qausal uses ML-DSA-65, the post-quantum digital-signature algorithm standardized as FIPS 204, to create signatures intended to remain verifiable against future quantum-computing risks. Signature data, public keys, and digests are embedded in the signed PDF, and users can download a proof bundle for independent offline verification with open-source tools. Qausal also supports adding a quantum-safe attestation to documents signed through other services without altering the original document. It is intended for organizations that need durable verification of agreements and records, including legal, financial, healthcare, and government-related workflows.
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Tvarka Sign:
About
Tvarka Sign brings document workflows and qualified electronic signatures together, with no subscriptions or seat fees. Pay only for completed signing.
QES prices include the qualified timestamp. Smart-ID/Mobile-ID/LT ID: EUR 0.19 per signature at 1-99/month, falling to EUR 0.16 at 1000+. ID card/USB: EUR 0.13, falling to EUR 0.06. All prices exclude VAT. Team e-signatures are free; external e-signatures cost EUR 0.29 per completed document, any number of signers.
Sign PDF, ADOC and ASiC-E, invite signers, set signing order and reminders, track progress and verify signatures. REST API and MCP connect business systems and agents. The separate ATK card-native developer API costs EUR 0.07 + VAT per operation and requires a card-driving client.
Web, Windows, macOS (beta), Android and iPhone. Personal Android NFC plan: 10 free PDF QES/month with a compatible Lithuanian eID issued after 2024-01-01. Operated by Socialiniai algoritmai, UAB, Lithuania.
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Qausal:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Tvarka Sign:
Platforms Supported
Windows
Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Not Supported
Android
Supported
Chromebook
Not Supported
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Qausal:
Audience
Law firms, conveyancers, financial services, healthcare and government suppliers: any organisation whose signed documents must stay verifiable for decades
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Tvarka Sign:
Audience
European businesses, legal and accounting teams, developers integrating qualified signing, and individuals with supported Lithuanian eIDs
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Qausal:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Tvarka Sign:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Qausal:
API
Offers API
Supported
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Tvarka Sign:
API
Offers API
Supported
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Qausal:
Screenshots and VideosNo images available
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Tvarka Sign:
Screenshots and Videos |
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Qausal:
Pricing
No information available.
Free Version
Not Supported
Free Trial
Supported
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Tvarka Sign:
Pricing
EUR 0.13/card QES + VAT
Qualified signatures, with the qualified timestamp included: Smart-ID/Mobile-ID/LT ID EUR 0.19 / 0.18 / 0.17 / 0.16 per signature; ID card or USB token EUR 0.13 / 0.10 / 0.08 / 0.06, at monthly positions 1-99 / 100-499 / 500-999 / 1000+. All prices exclude VAT. No subscription or seat fees for Tvarka Sign. Team e-signatures are free; external e-signatures cost EUR 0.29 per completed document, any number of signers. Optional SMS codes: EUR 0.10 each. Tvarka Batch: EUR 249/month + VAT. The separate ATK developer API costs EUR 0.07 per successful card-native signing operation, requires a card-driving client and has no minimum volume. Personal Android plan: 10 free PDF QES/month with a compatible Lithuanian eID and NFC phone.
Free Version
Supported
Free Trial
Not Supported
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Qausal:
Reviews/
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Tvarka Sign:
Reviews/
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Qausal:
Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Tvarka Sign:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Qausal:
Company InformationUbQbit
Founded: 2025
Australia
qausal.ubqbit.com
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Tvarka Sign:
Company InformationSocialiniai algoritmai, UAB
Lithuania
tvarka.pro/en/sign/
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Qausal:
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Qausal:
Categories |
Tvarka Sign:
Categories |
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Tvarka Sign:
Digital Signature Features
Audit Trail
Supported
Authentication
Supported
Auto Reminders
Supported
Customizable Templates
Not Supported
Document Analytics
Not Supported
Mobile Signature
Supported
Multi-Party Signing
Supported
Progress Tracking
Supported
Task Progress Tracking
Not Supported
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Qausal:
Integrations
n8n
Not Supported
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