Lumin Sign 4+

eSignature workflow tool

Nitrolabs Limited

    • 5.0 • 3 Ratings
    • Free

iPhone Screenshots


Meet Lumin Sign, your new go-to eSignature tool. Send, sign and track – in seconds. From the brains behind Lumin PDF. Download the app free for a limited time!

Get documents done in minutes with a dedicated eSignature workflow tool. Streamline customer-facing documentation with legally-compliant digital signatures and contract tracking. Send contracts to multiple parties, set due dates and track contracts – all from your mobile! The Lumin Sign app is designed to be easy-to-use, and includes organized document storage so you save time on the admin. The brains behind Lumin PDF have done it again: made hard work easy.

Key Features

User-friendly design
Lumin Sign’s clean and colorful design is easy to navigate and use. It has a dashboard displaying where your contracts are on their journey, and your most-used templates for easy access.

Sign on-the-go
Upload your document, select yourself as the signer and create your own digital signature. Multiple signers? No problem, just enter their email addresses and they’ll be prompted to sign.

Real-time updates
Set due dates, remind others when to sign, and enable push notifications to keep track of your documents’ journeys. Stay on top of your workflows from anywhere, anytime.

Cross-device use
Use Lumin Sign between mobile and desktop seamlessly. Your contracts will sync from the mobile app straight into the browser app. Send, sign and track while on-the-go, from anywhere!

Check the status of your documents, request signatures and negotiate terms from your iOS device.

Find out more about Lumin Sign at

What’s New

Version 2.3.0

--Drag and drop recipients--

Setting up the recipient list is now really flexible. Combined with signing order, you can now drag and drop recipients to different signing groups or change roles between signer and viewer.

--Performance improved--

Smoother navigation between pages in app.

Ratings and Reviews

5.0 out of 5
3 Ratings

3 Ratings

App Privacy

The developer, Nitrolabs Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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