# PDForms vs One Tool Box

The clearest difference is in-app purchases: PDForms at none against One Tool Box's 1. PDForms also leads on iOS requirement (14.0 vs 18.4). One Tool Box's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. One Tool Box sells 1 one-off in-app purchase. PDForms asks for nothing beyond the download.

PDForms ships an update every 2 months, One Tool Box fortnightly. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PDForms | One Tool Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 11 MB | 15 MB |
| Requires iOS | **14.0** | 18.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Pavan Chakka](https://appshunter.io/developer/918873117) | [吉 汤](https://appshunter.io/developer/1564669378) |

## What reviewers say

### PDForms

[App page](https://appshunter.io/ios/app/pdforms/id1572295957)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Tool Box

[App page](https://appshunter.io/ios/app/one-tool-box/id6792082967)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Letters Export | $0.99 | one-time |


## Frequently asked questions

### Is PDForms free?

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

### Is One Tool Box free?

One Tool Box is free to download, with in-app purchases available.

### Do PDForms or One Tool Box have ads?

Neither PDForms nor One Tool Box shows ads.

### Which is updated more often, PDForms or One Tool Box?

PDForms ships an update every 2 months, and One Tool Box fortnightly. Most recently, PDForms was updated on September 17, 2026 and One Tool Box on September 13, 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.*