# Lumin vs FormAssembly Mobile

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 (920 vs 4). On price, update cadence, in-app purchases and device support there is nothing between them.

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

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 920 ratings behind it against 4, so its average is the more settled of the two.

Lumin ships an update every 8 days, FormAssembly Mobile fortnightly. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Lumin | FormAssembly Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (920 ratings)](https://appshunter.io/ios/app/lumin-view-edit-share-pdf/id1367372862/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/formassembly-mobile/id6443781731/reviews)** |
| Number of ratings | **920** | 4 |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 287 MB | 9 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrolabs Limited](https://appshunter.io/developer/1367372861) | [FormAssembly, inc.](https://appshunter.io/developer/1034500841) |

## What reviewers say

### Lumin

[App page](https://appshunter.io/ios/app/lumin-view-edit-share-pdf/id1367372862)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth performance
- 👍 Easy to use
- 💡 Useful annotation tools
- 🚀 Fast PDF rendering

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔒 Unreliable data sync
- 💰 Expensive subscription
- 🐛 Buggy app experience

**Reported bugs**

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

**Requested features**

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


### FormAssembly Mobile

[App page](https://appshunter.io/ios/app/formassembly-mobile/id6443781731)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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 920 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 21, 2026 and FormAssembly Mobile on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*