PDFDarkMode vs DarkPaper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
DarkPaper
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DarkPaper re-renders your PDFs for reading in the dark. Instead of inverting the page like a screen filter, it recolors the document itself — text, figures, and fills — so pages stay crisp on a true dark background and a blue line stays blue at night. READING • Five palettes: Original, Black, Soft, Sepia, Navy • Text stays vector-sharp — no raster inversion, no smearing • Figures keep their meaning: heatmaps still read hot, plots keep their colors LIBRARY • Open PDFs from Files or any app's share sheet • Continue reading where you left off SHARE IT DARK • Export the dark rendering as a real PDF — it looks the same everywhere PRICE • Your first three documents are free, then a free week — no card, no account, nothing to cancel • One purchase unlocks DarkPaper forever. No subscription. PRIVATE BY DESIGN • No accounts, no analytics, no tracking — your documents never leave your device
Screenshots
Verdict
PDFDarkMode and DarkPaper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 and DarkPaper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
PDFDarkMode ships an update every 4 days, DarkPaper every 9 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | PDFDarkMode | DarkPaper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 4 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Wildcatter LLC | Nurtau Toganbay |
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
DarkPaper
- DarkPaper Lifetime$0.99
