Comparison

Lumin vs FormAssembly Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lumin

Edit, share, and collaborate on PDF documents in the cloud. This app offers a suite of tools for annotating, organizing, and signing PDFs, with seamless integration for cloud storage and real-time collaboration.

Highlights
  • Seamless document management
  • Cloud integration and auto-save
  • Versatile editing and annotation tools
  • Document organization and conversion
  • Pre-designed templates
  • Real-time collaboration
  • eSignatures and form filling
  • Scanning to PDF
Features
Read full description

Lumin for iOS allows you to edit and sync to your Google documents in seconds. Collaborate with colleagues in real-time with a diverse set of editing tools. Lumin auto-saves your changes and syncs them to all your devices. Connect your Google account and stay on top of your documents. You can effortlessly view and share files with anybody via email or shareable links. TRUSTED BY MILLIONS Join over 100 million Lumin users worldwide who use our app to edit, share, and collaborate in the cloud. From note-taking and project management to client onboarding and legal document review, Lumin empowers you across industries. KEY FEATURES - Seamless document management: Import from your favorite storage (Dropbox, Google Drive, OneDrive), edit, and share PDFs effortlessly. - Cloud integration: Automatically save changes and sync across devices. - Versatile editing tools: Highlight, annotate, draw on PDFs and more. - Document organization: Organize, extract pages, merge files, convert to/from PDF,... - Pre-designed templates: Choose from various templates for various purposes and industries, such as real estate, education, job application, etc. - Collaboration: Share files and receive real-time notifications. - eSignatures: Sign and fill out forms with ease. - Scanning: Convert paper documents into portable PDFs. LUMIN IN THE REVIEWS “I use Lumin to mark up PDF drawings and send them to my subcontractors. In my role, time is of the essence. Lumin provides me with a tool to make collaboration and feedback easy.” – Construction site manager, US “We have been using Lumin for a little over two years, and it's been amazing. Using Lumin on-the-go and in-office allows us better turnaround time for our patients' care.” – Director of Services and Operations, US “It s very useful and handful for studying and I feel like they make good improvements with each upgrade. I use it for studying, it's cool that I can connect my university Google Drive to the Lumin account and I can edit, draw, write, highlight and add comments and they always get saved.” – Individual user “Too loud. You can open and edit texts from any device, everything is saved automatically, quickly. Access is very fast. The options for editing documents are diverse.” – Individual user Terms & conditions: https://www.luminpdf.com/terms-of-use/

About

FormAssembly Mobile

Collect data and upload files on the go, even without an internet connection. Securely sync your information to your account once you're back online. Ideal for remote data capture and on-site work.

Highlights
  • Offline data capture
  • Offline file uploads
  • SAML login for secure access
  • Sync data to FormAssembly account
  • On-the-go data gathering
Features
Read full description

Collect data with or without an internet connection with the FormAssembly Mobile app. We know work doesn’t always happen in an office. That’s why FormAssembly Mobile allows users to gather data through FormAssembly forms while on the go, even without an internet connection. Key features you’ll love: - Offline data capture: Capture and save data even while offline. Once you’re back on a secure WiFi or mobile network connection, simply sync the data to your FormAssembly account. - Offline file uploads: This feature allows users to upload important files to FormAssembly via a mobile device, no internet connection is required. - SAML login: Ensure secure access to your application with user authentication using SAML credentials. Key benefits to your organization: FormAssembly Mobile is developed to bring our users even more functionality when using our platform. Whether you’re capturing remote research, collecting on-site work notes, or collecting leads on the go, FormAssembly Mobile is the key to improving efficiency within your organization. How to get started Data collection doesn’t stop just because you’re out of the office. Are you ready to start experiencing more flexibility with your web forms? If you’re a current user, download FormAssembly Mobile today for free. Need an account? View plans and pricing on our website. About FormAssembly FormAssembly’s secure and compliant data collection platform helps organizations become better stewards of the data they collect. With our powerful platform, companies can streamline outdated processes and drive essential business initiatives in any industry. Our Workflow solution makes it possible to build simple to complex multi-step processes that integrate seamlessly with Salesforce and other business software. In addition to increasing efficiency organization-wide, FormAssembly offers advanced security and compliance standards to instill confidence and peace of mind when collecting even the most sensitive types of data.

Screenshots

Lumin4 screens
FormAssembly Mobile4 screens

Verdict

The call

The clearest difference is rating: FormAssembly Mobile at 5.0 against Lumin's 4.5. FormAssembly Mobile also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Lumin's advantage is ratings volume (916 vs 4). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FormAssembly Mobile holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Lumin has 916 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Lumin ships an update every 8 days, FormAssembly Mobile fortnightly. Both last shipped on October 17, 2026.

Scorecard5 real differences · 5 level
Lumin versus FormAssembly Mobile: the parameters behind the verdict, then further details
ParameterLuminFormAssembly Mobile
PriceFreeFree
Rating4.5 (916 ratings)5.0 (4 ratings) — better
Positive reviews32.5% of reviews—
Number of ratings916 — better4
Update frequencyEvery 8 days — betterFortnightly
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.614.0 — better
Further details — not scored
Size269 MB9 MB
Age rating4+4+
DeveloperNitrolabs LimitedFormAssembly, inc.

Customer experience

Lumin

All ratings916 ratings
Positive87.3%
Neutral2.1%
Negative10.6%
Written reviews191 reviews
Positive32.5%
Neutral5.2%
Negative62.3%

FormAssembly Mobile

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Lumin

Reported bugs

4 issues
  • Lost work and unsaved changes
  • Inability to open/access files
  • Frequent login issues
  • Compatibility problems on mobile

Requested features

4 requests
  • Offline mode support
  • Split-screen functionality
  • Improved highlight/annotation tools
  • Better Google Drive integration

FormAssembly Mobile

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lumin

No in-app purchases

None

FormAssembly Mobile

No in-app purchases

Questions

Is Lumin free?
Lumin is free to download, with no in-app purchases.
Is FormAssembly Mobile free?
FormAssembly Mobile is free to download, with no in-app purchases.
Which has better reviews, Lumin or FormAssembly Mobile?
FormAssembly Mobile is rated higher. Lumin averages 4.5 out of 5 from 916 ratings, while FormAssembly Mobile averages 5.0 from 4 ratings.
Do Lumin or FormAssembly Mobile have ads?
Lumin shows ads; FormAssembly Mobile does not.
Which is updated more often, Lumin or FormAssembly Mobile?
Lumin ships an update every 8 days, and FormAssembly Mobile fortnightly. Most recently, Lumin was updated on October 17, 2026 and FormAssembly Mobile on October 17, 2026.

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