NightReader.io vs PDFDarkMode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NightReader.io
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With NightReader, you can easily save any webpage to view offline, at any time. Plus, you have the ability to customize the styles of your saved webpages to your heart's content. Change the font size, text and background colors, and even the link colors to create the perfect reading experience. Save articles for later, or use NightReader to create a personalized theme for your favorite websites. Try NightReader today and never be without your favorite webpages again!
PDFDarkMode
Easily convert PDFs to a comfortable dark mode with custom text and background colors. Reduce eye strain while reading or studying long documents. Save and revisit your personalized PDFs in a private library.
- Upload PDFs from device
- Customize text and background colors
- Preview dark mode changes
- Download converted PDFs
- Personal PDF library
- Private by design
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PDFDarkMode makes your PDFs easier on the eyes, day or night. Upload any PDF, choose your own text and background colors, preview your changes, and download your converted document directly within the app. Whether you’re studying, reading long-form writing, or reviewing technical documents, PDFDarkMode helps reduce eye strain and make your PDFs visually comfortable and fully personalized. Features • Upload any PDF from Files or your device • Customize text color and background color • Preview your converted PDF in full dark mode • Download it directly • Save and revisit all converted PDFs in your personal library • One-time in-app purchase to download a dark mode PDF for $2.99 • Upgrade to PDFDarkMode Pro for $9.99 to unlock unlimited dark mode PDF downloads Private by Design No logins. No analytics. No tracking. Your PDFs stay private.
Screenshots
Verdict
The clearest difference is in-app purchases: NightReader.io at none against PDFDarkMode's 6. NightReader.io also leads on iOS requirement (12.4 vs 15.0). PDFDarkMode's advantage is ads (none vs shown). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDFDarkMode sells 5 one-off in-app purchases. NightReader.io asks for nothing beyond the download.
| Parameter | NightReader.io | PDFDarkMode |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Alexander Risch | Wildcatter LLC |
In-app purchases
NightReader.io
No in-app purchases
PDFDarkMode
- Download PDF (up to 100 pages)$0.99
- Dark Mode PDF Download2 variants$2.99
- Download PDF (up to 500 pages)$4.99
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- PDFDarkMode Pro$9.99
- Download PDF (500+ pages)$9.99








