# PDF Dark vs SmartField Sheet

The clearest difference is price: SmartField Sheet at Free against PDF Dark's $3.99. SmartField Sheet also leads on rating (5.0 vs 4.0) and update cadence (every 8 days vs every 11 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

SmartField Sheet is free to download; PDF Dark costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SmartField Sheet holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

PDF Dark ships an update every 11 months, SmartField Sheet every 8 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PDF Dark | SmartField Sheet |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/pdf-dark/id6470178025/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smartfield-sheet/id6596786094/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 75 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lucioni Charalla](https://appshunter.io/developer/1198674844) | [Smart Structures](https://appshunter.io/developer/1570457791) |

## What reviewers say

### PDF Dark

[App page](https://appshunter.io/ios/app/pdf-dark/id6470178025)

Transform bright PDF pages into a comfortable dark mode for easier reading at night. Reduce eye strain, improve focus, and potentially save battery life. Enjoy a smoother reading experience on your devices.

**Highlights:** Dark mode for PDFs, Reduced eye strain, Improved focus, Battery saving, Multi-device support

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

**In-app purchases:** none


### SmartField Sheet

[App page](https://appshunter.io/ios/app/smartfield-sheet/id6596786094)

This mobile app streamlines infrastructure management for field teams. It helps oversee construction projects and manage field tasks efficiently.

**Highlights:** Infrastructure management, Field team empowerment, Construction project oversight, Streamlined task management, Mobile solution

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Dark free?

PDF Dark costs $3.99, with no in-app purchases.

### Is SmartField Sheet free?

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

### Which has better reviews, PDF Dark or SmartField Sheet?

SmartField Sheet is rated higher. PDF Dark averages 4.0 out of 5 from 2 ratings, while SmartField Sheet averages 5.0 from 3 ratings.

### Do PDF Dark or SmartField Sheet have ads?

Neither PDF Dark nor SmartField Sheet shows ads.

### Which is updated more often, PDF Dark or SmartField Sheet?

PDF Dark ships an update every 11 months, and SmartField Sheet every 8 days. Most recently, PDF Dark was updated on October 16, 2026 and SmartField Sheet on October 2, 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.*