# Lumenus Vault vs LinkViewer

The clearest difference is in-app purchases: Lumenus Vault at none against LinkViewer's 2. Lumenus Vault also leads on ads (none vs shown) and iOS requirement (16.6 vs 26.0). LinkViewer's advantage is update cadence (every 3 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. LinkViewer sells 2 in-app purchases, starting at $0.99 per month. Lumenus Vault asks for nothing beyond the download.

Lumenus Vault ships an update every 5 months, LinkViewer every 3 weeks. The most recent releases landed on June 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Lumenus Vault | LinkViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 32 MB | 25 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [萍 公](https://appshunter.io/developer/1854281135) | [JeongYun Lee](https://appshunter.io/developer/1850426276) |

## What reviewers say

### Lumenus Vault

[App page](https://appshunter.io/ios/app/lumenus-vault/id6756407795)

**In-app purchases:** none


### LinkViewer

[App page](https://appshunter.io/ios/app/linkviewer-text-and-pdf-reader/id6760254716)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LinkViewer Pro Monthly | $0.99 | per month |
| LinkViewer Pro Yearly | $8.99 | per year |


## Frequently asked questions

### Is Lumenus Vault free?

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

### Is LinkViewer free?

LinkViewer is free to download, with in-app purchases available.

### Do Lumenus Vault or LinkViewer have ads?

LinkViewer shows ads; Lumenus Vault does not.

### Which is updated more often, Lumenus Vault or LinkViewer?

Lumenus Vault ships an update every 5 months, and LinkViewer every 3 weeks. Most recently, Lumenus Vault was updated on June 12, 2026 and LinkViewer on September 24, 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.*