# PDF vs The Meter Doctor

The clearest difference is iOS requirement: PDF at 5.1.1 against The Meter Doctor's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF ships an update every 5 months, The Meter Doctor every 6 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PDF | The Meter Doctor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (5 ratings)](https://appshunter.io/ios/app/pdf-foldermaker/id461708467/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 27 MB | 31 MB |
| Requires iOS | **5.1.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACCA software](https://appshunter.io/developer/461322267) | [Officine IADR](https://appshunter.io/developer/1550791649) |

## What reviewers say

### PDF

[App page](https://appshunter.io/ios/app/pdf-foldermaker/id461708467)

Organize your PDF documents with a desktop application that mirrors your computer's folder structure. Access and manage these organized files on your iPad or iPhone, ensuring your documentation is portable and easily browsable.

**Highlights:** Reproduces desktop folder structure on mobile, Browses and manages PDF documents, Creates folder structures on desktop, Converts various file formats to PDF, Archives folder structures into compressed files, Portable and accessible document management

**Features:** macOS Compatibility

**In-app purchases:** none


### The Meter Doctor

[App page](https://appshunter.io/ios/app/the-meter-doctor/id1569810076)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF free?

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

### Is The Meter Doctor free?

The Meter Doctor is free to download, with no in-app purchases.

### Do PDF or The Meter Doctor have ads?

Neither PDF nor The Meter Doctor shows ads.

### Which is updated more often, PDF or The Meter Doctor?

PDF ships an update every 5 months, and The Meter Doctor every 6 months. Most recently, PDF was updated on November 1, 2026 and The Meter Doctor on October 27, 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.*