Lumin vs Isle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Isle
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Meet Isle, a digital brain and AI workspace designed to bring your thoughts, files, projects and conversations together. THINK SPATIALLY Shape ideas on a flexible visual canvas. Keep notes, files and projects connected instead of scattering them across separate tools. WORK WITH AI Ask questions, explore ideas, research the web and create with an assistant that can use the context you choose to share. Isle helps you move from an idea to useful work without losing your flow. ORGANISE WHAT MATTERS Import your content, create focused workspaces and keep useful knowledge close. Isle helps surface the information and priorities that matter to what you are doing now. MOVE THROUGH YOUR DAY Use a focused home for priorities, progress and next actions. Capture something quickly, return to active work and keep momentum across projects. STAY IN CONTROL Choose what the assistant can access. Review sensitive actions before they happen, manage connected accounts, and delete your account and associated cloud data from within the app. BUILT FOR YOUR DEVICES Designed for iPhone and iPad, with a responsive workspace that adapts from quick capture to deep, spatial work. Isle includes a free plan. Optional auto-renewing monthly subscriptions provide higher AI, research and storage allowances. Subscriptions can be managed or cancelled through your Apple Account settings. Terms of Use: https://byisle.com/terms Privacy Policy: https://byisle.com/privacy Isle Starter, Pro, Scale and Max are auto-renewing monthly subscriptions. Payment is charged to your Apple Account on confirmation of purchase and renews automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel in Account Settings.
Screenshots
Verdict
The clearest difference is in-app purchases: Lumin at none against Isle's 4. Lumin also leads on iOS requirement (16.6 vs 18.0). Isle's advantage is ads (none vs shown). On price, update cadence 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. Isle sells 4 in-app purchases, starting at $12.00 per month. Lumin asks for nothing beyond the download.
Lumin ships an update weekly, Isle every 8 days. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.
| Parameter | Lumin | Isle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (931 ratings) — better | — |
| Positive reviews | 32.1% of reviews | — |
| Number of ratings | 931 — better | — |
| Update frequency | Weekly — better | Every 8 days |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 288 MB | 149 MB |
| Age rating | 4+ | 17+ |
| Developer | Nitrolabs Limited | BY ISLE LIMITED |
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
Isle
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lumin
No in-app purchases
Isle
- Isle Starter$12.001 Month
- Isle Pro$49.001 Month
- Isle Scale$99.001 Month
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- Isle Max$190.001 Month









