# Vellum Assistant vs GhostArk：Digital Private Vault

The clearest difference is in-app purchases: Vellum Assistant at none against GhostArk：Digital Private Vault's 2. Vellum Assistant also leads on update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GhostArk：Digital Private Vault sells 2 in-app purchases, starting at $1.99 per year. Vellum Assistant asks for nothing beyond the download.

Vellum Assistant ships an update every 4 days, GhostArk：Digital Private Vault monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vellum Assistant | GhostArk：Digital Private Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/vellum-assistant/id6759934423/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 9 MB | 23 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Vocify Inc.](https://appshunter.io/developer/1881735501) | [靖峰 周](https://appshunter.io/developer/6771585270) |

## What reviewers say

### Vellum Assistant

[App page](https://appshunter.io/ios/app/vellum-assistant/id6759934423)

This AI assistant learns your work habits and thought processes to help you stay on top of tasks. It syncs across devices, providing quick summaries of communications and access to past notes. Over time, it becomes an indispensable teammate.

**Highlights:** Learns user work habits, Syncs across Mac, iPhone, and web, Summarizes Slack, email, and meetings, Remembers forgotten tasks and follow-ups, Accesses past notes and thoughts, Improves with continued use

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GhostArk：Digital Private Vault

[App page](https://appshunter.io/ios/app/ghostarkdigital-private-vault/id6776914822)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Premium | $1.99 | per year |
| Lifetime Sovereign Access | $2.99 | one-time |


## Frequently asked questions

### Is Vellum Assistant free?

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

### Is GhostArk：Digital Private Vault free?

GhostArk：Digital Private Vault is free to download, with in-app purchases available.

### Do Vellum Assistant or GhostArk：Digital Private Vault have ads?

Neither Vellum Assistant nor GhostArk：Digital Private Vault shows ads.

### Which is updated more often, Vellum Assistant or GhostArk：Digital Private Vault?

Vellum Assistant ships an update every 4 days, and GhostArk：Digital Private Vault monthly. Most recently, Vellum Assistant was updated on October 24, 2026 and GhostArk：Digital Private Vault on October 25, 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.*