# PDF Reader vs Invoice Vault

The clearest difference is update cadence: Invoice Vault at every 3 days against PDF Reader's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $2.99 per 7 days and Invoice Vault sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 2 months, Invoice Vault every 3 days. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF Reader | Invoice Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/pdf-reader-fill-editsign-pdf/id6744753421/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 72 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [T & A Artisan LLC](https://appshunter.io/developer/1210692481) | [ASIF M KHATTAK](https://appshunter.io/developer/6803946178) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-fill-editsign-pdf/id6744753421)

This comprehensive tool allows you to scan, edit, convert, merge, and secure PDF documents. Easily fill forms, organize pages, add watermarks, and sign digitally. It's designed for efficient and professional PDF management on the go.

**Highlights:** Scan to PDF, Edit text and elements, Fill and sign forms, Convert files to PDF, Merge and split PDFs, Secure with passwords, OCR image scanning

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Editor Premium – Weekly | $2.99 | per 7 days |
| PDF Editor Premium – Monthly | $4.99 | per month |
| PDF Editor Premium – Yearly | $9.99 | per year |


### Invoice Vault

[App page](https://appshunter.io/ios/app/invoice-vault/id6805902274)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Vault Monthly | $7.99 | per month |
| Invoice Vault Yearly | $69.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Invoice Vault free?

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

### Do PDF Reader or Invoice Vault have ads?

Neither PDF Reader nor Invoice Vault shows ads.

### Which is updated more often, PDF Reader or Invoice Vault?

PDF Reader ships an update every 2 months, and Invoice Vault every 3 days. Most recently, PDF Reader was updated on October 20, 2026 and Invoice Vault on October 11, 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.*