# TIMMS Site Viewer vs Shadow Vault

The clearest difference is in-app purchases: TIMMS Site Viewer at none against Shadow Vault's 1. TIMMS Site Viewer also leads on ads (none vs shown) and iOS requirement (8.1 vs 16.0). Shadow Vault's advantage is update cadence (every 5 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Shadow Vault sells 1 one-off in-app purchase. TIMMS Site Viewer asks for nothing beyond the download.

TIMMS Site Viewer ships an update every 6 months, Shadow Vault every 5 weeks. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TIMMS Site Viewer | Shadow Vault |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 13 MB |
| Requires iOS | **8.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trimble Inc.](https://appshunter.io/developer/322561665) | [Tung Vu](https://appshunter.io/developer/870117448) |

## What reviewers say

### TIMMS Site Viewer

[App page](https://appshunter.io/ios/app/timms-site-viewer/id1109956778)

**Features:** Vision Pro support

**In-app purchases:** none


### Shadow Vault

[App page](https://appshunter.io/ios/app/shadow-vault/id1561340715)

Securely store your private notes, photos, videos, and contacts in one place. Organize your hidden data with a powerful tagging system and access it easily with biometric authentication. Sync your information across devices for seamless management.

**Highlights:** Biometric lock (Touch ID/Face ID), iCloud sync, Markdown support for notes, Delete original media after import, Omni toolbar for editing, Tagging system for organization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisement | $7.99 | one-time |


## Frequently asked questions

### Is TIMMS Site Viewer free?

TIMMS Site Viewer is free to download, with no in-app purchases.

### Is Shadow Vault free?

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

### Do TIMMS Site Viewer or Shadow Vault have ads?

Shadow Vault shows ads; TIMMS Site Viewer does not.

### Which is updated more often, TIMMS Site Viewer or Shadow Vault?

TIMMS Site Viewer ships an update every 6 months, and Shadow Vault every 5 weeks. Most recently, TIMMS Site Viewer was updated on October 19, 2026 and Shadow Vault on October 15, 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.*