# PDF Editor vs NDT Helper

The clearest difference is in-app purchases: NDT Helper at none against PDF Editor's 4. NDT Helper also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Editor sells 4 in-app purchases, starting at $0.99 per 7 days. NDT Helper asks for nothing beyond the download.

PDF Editor ships an update monthly, NDT Helper weekly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Editor | NDT Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf-editor-merge-and-split/id6448696144/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 27 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moon Technolabs Pvt Ltd](https://appshunter.io/developer/558496197) | [EDISON BOTOR](https://appshunter.io/developer/1790989988) |

## What reviewers say

### PDF Editor

[App page](https://appshunter.io/ios/app/pdf-editor-merge-and-split/id6448696144)

Easily merge multiple PDF files into one or split large PDFs into smaller ones. This app also allows for page deletion, unlocking, watermarking, and image-to-PDF conversion. It helps manage and customize your documents efficiently.

**Highlights:** Merge multiple PDFs, Split PDFs into single pages, Delete unwanted pages, Unlock password-protected PDFs, Add watermarks, Compress PDF size, Convert images to PDF, Convert PDF to text

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Merge and Split | $0.99 | per 7 days |
| Unlimited Merge and Split | $1.99 | per month |
| Unlimited Merge and Split | $9.99 | per year |
| Unlimited Merge and Split | $19.99 | one-time |


### NDT Helper

[App page](https://appshunter.io/ios/app/ndt-helper/id6758745296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Editor free?

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

### Is NDT Helper free?

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

### Do PDF Editor or NDT Helper have ads?

Neither PDF Editor nor NDT Helper shows ads.

### Which is updated more often, PDF Editor or NDT Helper?

PDF Editor ships an update monthly, and NDT Helper weekly. Most recently, PDF Editor was updated on October 13, 2026 and NDT Helper on October 25, 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.*