# Lumin vs ChulaSmart

The clearest difference is device support: Lumin at 2 against ChulaSmart's —. ChulaSmart's advantage is iOS requirement (11.0 vs 16.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Lumin | ChulaSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (916 ratings)](https://appshunter.io/ios/app/lumin-view-edit-share-pdf/id1367372862/reviews)** | — |
| Number of ratings | **916** | — |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 269 MB | 203 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Nitrolabs Limited](https://appshunter.io/developer/1367372861) | [NDR Solution (Thailand) Co., Ltd.](https://appshunter.io/developer/1154010912) |

## 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


### ChulaSmart

[App page](https://appshunter.io/ios/app/chulasmart/id1661614610)

**In-app purchases:** none


## Frequently asked questions

### Is Lumin free?

Lumin is free to download, with no in-app purchases.

### Is ChulaSmart free?

ChulaSmart is free to download, with no in-app purchases.

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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.*