# 图片转PDF vs Vault File

The clearest difference is in-app purchases: 图片转PDF at none against Vault File's 3. 图片转PDF also leads on update cadence (daily vs every 11 days) and iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Vault File sells 3 in-app purchases, starting at $1.29 per 7 days. 图片转PDF asks for nothing beyond the download.

图片转PDF ships an update daily, Vault File every 11 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 图片转PDF | Vault File |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/vault-file-resouce-safe-save/id6762129869/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 11 days |
| Monetization | — | Freemium |
| Size | 0 MB | 63 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [义轩 高](https://appshunter.io/developer/1857499417) | [Handan Tongfengqi Technology Co., Ltd](https://appshunter.io/developer/1776513322) |

## What reviewers say

### 图片转PDF

[App page](https://appshunter.io/ios/app/pdf-pdfpdf/id6756543529)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vault File

[App page](https://appshunter.io/ios/app/vault-file-resouce-safe-save/id6762129869)

Securely store and manage your private photos, videos, and documents with this privacy-focused file management app. It offers encryption, organization, and easy-to-use privacy protection for your sensitive content, keeping your data local and protected from unauthorized access.

**Highlights:** File Encryption, File Management, M3U8 to MP4 conversion, Privacy Protection, Local Data Storage, User-Friendly Interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP-Weekly | $1.29 | per 7 days |
| VIP-Monthly | $2.59 | per month |
| VIP-Yearly | $16.99 | per year |


## Frequently asked questions

### Is 图片转PDF free?

图片转PDF is free to download, with no in-app purchases.

### Is Vault File free?

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

### Do 图片转PDF or Vault File have ads?

Neither 图片转PDF nor Vault File shows ads.

### Which is updated more often, 图片转PDF or Vault File?

图片转PDF ships an update daily, and Vault File every 11 days. Most recently, 图片转PDF was updated on November 9, 2026 and Vault File on October 31, 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.*