# Dark PDF vs SidePad

The clearest difference is in-app purchases: SidePad at none against Dark PDF's 4. SidePad also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dark PDF sells 4 in-app purchases, starting at $1.99 per month. SidePad asks for nothing beyond the download.

Dark PDF ships an update monthly, SidePad every 2 weeks. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Dark PDF | SidePad |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 11 MB | 186 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Muhammet Ozturk](https://appshunter.io/developer/1640983852) | [Eric Escobar](https://appshunter.io/developer/1895324157) |

## What reviewers say

### Dark PDF

[App page](https://appshunter.io/ios/app/dark-pdf-night-mode-reader/id6754808094)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Unlimited - Black Friday | $1.99 | per month |
| Yearly - Unlimited Pdf,Black Friday | $9.99 | per year |
| Monthly - Unlimited PDF | $49.99 | per month |
| Yearly - Unlimited PDF | $99.99 | per year |


### SidePad

[App page](https://appshunter.io/ios/app/sidepad-mobile/id6774674629)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dark PDF free?

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

### Is SidePad free?

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

### Do Dark PDF or SidePad have ads?

Neither Dark PDF nor SidePad shows ads.

### Which is updated more often, Dark PDF or SidePad?

Dark PDF ships an update monthly, and SidePad every 2 weeks. Most recently, Dark PDF was updated on September 30, 2026 and SidePad on October 3, 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.*