# ToolStack vs PDF2box

The clearest difference is update cadence: PDF2box at fortnightly against ToolStack's every 2 months. ToolStack's advantage is iOS requirement (16.6 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ToolStack sells 1 in-app purchase, starting at $4.99 per month and PDF2box sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ToolStack ships an update every 2 months, PDF2box fortnightly. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ToolStack | PDF2box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pdf2box-pdf-editor/id6757252895/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 13 MB |
| Requires iOS | **16.6** | 18.1 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Web Concepts Ltd](https://appshunter.io/developer/1106881054) | [Yung Kei Simon MA](https://appshunter.io/developer/1794845140) |

## What reviewers say

### ToolStack

[App page](https://appshunter.io/ios/app/toolstack/id6746410132)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ToolStack Monthly | $4.99 | per month |


### PDF2box

[App page](https://appshunter.io/ios/app/pdf2box-pdf-editor/id6757252895)

This app offers a comprehensive suite of PDF editing and management tools that operate entirely offline. It allows users to merge, split, compress, sign, and convert PDFs, among many other functions, without requiring subscriptions or uploading data.

**Highlights:** Merge and split PDFs, Compress and resize pages, OCR for searchable documents, Sign and watermark PDFs, Password protection and redaction, Convert PDFs to images and vice versa, PDF/A converter

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip - Coffee | $0.99 | one-time |
| Medium Tip - Meal | $2.99 | one-time |
| Large Tip - Gift | $4.99 | one-time |
| Generous Tip - Super | $9.99 | one-time |


## Frequently asked questions

### Is ToolStack free?

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

### Is PDF2box free?

PDF2box is free to download, with in-app purchases available.

### Do ToolStack or PDF2box have ads?

Neither ToolStack nor PDF2box shows ads.

### Which is updated more often, ToolStack or PDF2box?

ToolStack ships an update every 2 months, and PDF2box fortnightly. Most recently, ToolStack was updated on September 16, 2026 and PDF2box on September 17, 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.*