# Oakley Mad Science vs Smart PDF+ Editor

The clearest difference is price: Oakley Mad Science at Free against Smart PDF+ Editor's $4.99. Oakley Mad Science also leads on review sentiment (50% vs 5%) and iOS requirement (9.0 vs 15.6). Smart PDF+ Editor's advantage is ratings volume (53 vs 3) and device support (3 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

Oakley Mad Science is free to download; Smart PDF+ Editor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.7 for Oakley Mad Science against 3.8 for Smart PDF+ Editor. That said, the two scores are not equally well evidenced: Smart PDF+ Editor has 53 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 50% of Oakley Mad Science's written reviews are positive against 5% of Smart PDF+ Editor's.

Oakley Mad Science ships an update every 5 months, Smart PDF+ Editor every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Oakley Mad Science | Smart PDF+ Editor |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/oakley-mad-science/id981695340/reviews) | **[3.8 (53 ratings)](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898/reviews)** |
| Number of ratings | 3 | **53** |
| Positive reviews | **50.0% of reviews** | 5.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Size | 1.2 GB | 11 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luxottica Group SPA](https://appshunter.io/developer/426128459) | [Qrayon, LLC](https://appshunter.io/developer/354980265) |

## What reviewers say

### Oakley Mad Science

[App page](https://appshunter.io/ios/app/oakley-mad-science/id981695340)

This app trains sales associates on Oakley's technology and design innovations. It provides knowledge from Oakley's experts to help reps effectively communicate the brand's sport performance heritage. Empower your sales team with comprehensive product insights.

**Highlights:** Sales rep empowerment, Product technology training, Design innovation insights, Sport performance knowledge, Expert-led content

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart PDF+ Editor

[App page](https://appshunter.io/ios/app/smart-pdf-plus-editor/id1184082898)

This app allows users to read, sign, and annotate PDF documents, especially with stylus input. It's designed for professionals to quickly handle documents and for students to take notes on study materials. Features include a built-in file manager for organization.

**Highlights:** Ink annotations, Document signing, File organization, PDF reading, Document sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Oakley Mad Science free?

Oakley Mad Science is free to download, with no in-app purchases.

### Is Smart PDF+ Editor free?

Smart PDF+ Editor costs $4.99, with no in-app purchases.

### Which has better reviews, Oakley Mad Science or Smart PDF+ Editor?

Smart PDF+ Editor is rated higher. Oakley Mad Science averages 3.7 out of 5 from 3 ratings, while Smart PDF+ Editor averages 3.8 from 53 ratings.

### Do Oakley Mad Science or Smart PDF+ Editor have ads?

Neither Oakley Mad Science nor Smart PDF+ Editor shows ads.

### Which is updated more often, Oakley Mad Science or Smart PDF+ Editor?

Oakley Mad Science ships an update every 5 months, and Smart PDF+ Editor every 4 months. Most recently, Oakley Mad Science was updated on October 24, 2026 and Smart PDF+ Editor on October 24, 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.*