# MakePDF vs Smith Charts

The clearest difference is rating: MakePDF at 4.5 against Smith Charts's 3.7. Smith Charts's advantage is update cadence (every 3 weeks vs every 4 months) and price ($3.99 vs $5.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

MakePDF costs $5.99 and Smith Charts $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MakePDF holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 60% of MakePDF's written reviews are positive against 67% of Smith Charts's, so the app with the better star average is not the one people write more warmly about.

MakePDF ships an update every 4 months, Smith Charts every 3 weeks. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | MakePDF | Smith Charts |
| --- | --- | --- |
| Price | $5.99 | **$3.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/makepdf-document-merger/id1200274125/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/smith-charts/id1602503719/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 60.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 12 MB | 24 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Jose Pereira Vieito](https://appshunter.io/developer/931232010) | [Edoardo Orzes](https://appshunter.io/developer/1665361246) |

## What reviewers say

### MakePDF

[App page](https://appshunter.io/ios/app/makepdf-document-merger/id1200274125)

Easily combine various document and image types into a single PDF. This tool supports a wide range of file formats and offers smart features for quick merging and organization. It operates entirely on-device for enhanced privacy.

**Highlights:** Merge various file types into PDF, Supports text, code, HTML, images, Integrates with macOS native apps, SmartPath for auto-sorting and naming, Multiple window and keyboard shortcuts, Automation with Shortcuts, On-device processing for privacy

**Features:** Vision Pro support

**In-app purchases:** none


### Smith Charts

[App page](https://appshunter.io/ios/app/smith-charts/id1602503719)

Design matching networks, analyze device parameters, and compute stability circles with this interactive tool. Supports S parameters, various components, and offers advanced engineering features for RF design. Available in dark mode and exportable to PDF.

**Highlights:** Interactive Smith chart with drag and zoom, Design matching networks with various components, Compute stability, equi gain, and noise circles, Import S parameters from Touchstone files, Export designs to PDF, image, or file, Dark mode support, Ruler for wavelength measurement

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

**In-app purchases:** none


## Frequently asked questions

### Is MakePDF free?

MakePDF costs $5.99, with no in-app purchases.

### Is Smith Charts free?

Smith Charts costs $3.99, with no in-app purchases.

### Which has better reviews, MakePDF or Smith Charts?

MakePDF is rated higher. MakePDF averages 4.5 out of 5 from 2 ratings, while Smith Charts averages 3.7 from 3 ratings.

### Do MakePDF or Smith Charts have ads?

Neither MakePDF nor Smith Charts shows ads.

### Which is updated more often, MakePDF or Smith Charts?

MakePDF ships an update every 4 months, and Smith Charts every 3 weeks. Most recently, MakePDF was updated on September 19, 2026 and Smith Charts on September 21, 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.*