# SecureDoc · Document Vault AI vs Padool

The clearest difference is in-app purchases: Padool at none against SecureDoc · Document Vault AI's 3. Padool also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SecureDoc · Document Vault AI sells 3 in-app purchases, starting at $2.99 per month. Padool asks for nothing beyond the download.

SecureDoc · Document Vault AI ships an update every 3 weeks, Padool monthly. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SecureDoc · Document Vault AI | Padool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 28 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frantisek Varadzin](https://appshunter.io/developer/1782157075) | [Simanta Parida](https://appshunter.io/developer/1875005025) |

## What reviewers say

### SecureDoc · Document Vault AI

[App page](https://appshunter.io/ios/app/securedoc-document-vault-ai/id6748312274)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecureDoc PRO | $2.99 | per month |
| English | $3.99 | per month |
| Unlimited Access | $24.99 | per year |


### Padool

[App page](https://appshunter.io/ios/app/padool-90-day-focus-system/id6758785914)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SecureDoc · Document Vault AI free?

SecureDoc · Document Vault AI is free to download, with in-app purchases available.

### Is Padool free?

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

### Do SecureDoc · Document Vault AI or Padool have ads?

Neither SecureDoc · Document Vault AI nor Padool shows ads.

### Which is updated more often, SecureDoc · Document Vault AI or Padool?

SecureDoc · Document Vault AI ships an update every 3 weeks, and Padool monthly. Most recently, SecureDoc · Document Vault AI was updated on October 6, 2026 and Padool on October 21, 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.*