# BindingDocs vs Merge Pdf

The clearest difference is update cadence: BindingDocs at weekly against Merge Pdf's every 2 months. Merge Pdf's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BindingDocs sells 2 in-app purchases, starting at $7.99 per month and Merge Pdf sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BindingDocs ships an update weekly, Merge Pdf every 2 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BindingDocs | Merge Pdf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 52 MB | 11 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Binding Docs Ltd.](https://appshunter.io/developer/1876343908) | [Momina Khalid](https://appshunter.io/developer/1895657589) |

## What reviewers say

### BindingDocs

[App page](https://appshunter.io/ios/app/bindingdocs/id6759009022)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $7.99 | per month |
| Pro Plan (Yearly) | $79.99 | per year |


### Merge Pdf

[App page](https://appshunter.io/ios/app/merge-pdf-split-combine-files/id6770606021)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is BindingDocs free?

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

### Is Merge Pdf free?

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

### Do BindingDocs or Merge Pdf have ads?

Neither BindingDocs nor Merge Pdf shows ads.

### Which is updated more often, BindingDocs or Merge Pdf?

BindingDocs ships an update weekly, and Merge Pdf every 2 months. Most recently, BindingDocs was updated on September 17, 2026 and Merge Pdf on September 26, 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.*