Spy PDF vs Stashmark
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Spy PDF
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Spy PDF β Fast & Clean PDF Viewer No need to install heavy, complex apps just to view a single PDF. With Spy PDF, simply select your file and it opens instantly. Thatβs it. [Key Features] - Instant Launch β Open PDF files immediately with a single tap. - Recent Files β Access your frequently viewed files right from the list. - Smooth Scrolling β Read naturally with fluid page transitions. - Landscape & Portrait Support β Optimized for any orientation you prefer. - Error-Free Rendering β Stable performance with corrupted file alerts. [Recommended For] - Anyone who wants to open PDF attachments from emails instantly. - Professionals and students who frequently read contracts, resumes, or research papers. - Users who want a lightweight viewer without bloated, unnecessary features. - Those who want to quickly find older files from a recent history list. No accounts. No sign-ins. Just open and read. With Spy PDF, viewing PDFs is no longer a hassle.
Stashmark
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Your bookmarks, kept simple. Stashmark is a lightweight, private bookmarker for the links you actually want to come back to β recipes, workouts, threads, videos, articles, playlists. Save them from any app in two taps, organize with folders, and find anything with search. Everything stays on your device. No account. No ads. No subscription. SAVE FROM ANY APP Share to Stashmark from Safari, YouTube, TikTok, Instagram, Reddit, X, Pinterest, Spotify, and any other app that supports the share sheet. Stashmark auto-fills the title and preview image so your library actually looks good β not just a wall of links. ORGANIZE YOUR WAY β’ Sort links into color-coded folders with custom emoji icons β’ Undefined inbox for anything you haven't filed yet β’ Move bookmarks between folders anytime β’ Alphabetical folder list, with your most-used folder pinned to the top FIND ANYTHING Full-text search across every bookmark title. Type any words, in any order. LOCK PRIVATE FOLDERS Set a 4-digit PIN on any folder for extra privacy. Unlock with Face ID or Touch ID. STAYS ON YOUR DEVICE No server, no account, no login. Your bookmarks live in a single file on your iPhone. Back up to iCloud Drive when you want, restore just as easily. FREE FOREVER, UP TO 50 BOOKMARKS Save up to 50 bookmarks for free. Unlock unlimited saving for a one-time purchase of $3.99 β no subscription, no recurring charges. Existing libraries are grandfathered in, so nothing you already saved is ever locked away. PRIVACY, NOT PROMISES β’ No analytics, tracking, or advertising SDKs β’ No third-party servers β’ Only network requests: fetching the preview image and title from the exact link you saved Made for people who want a bookmarker that stays out of the way.
Screenshots
Verdict
The clearest difference is in-app purchases: Spy PDF at none against Stashmark's 1. Spy PDF also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Stashmark sells 1 one-off in-app purchase. Spy PDF asks for nothing beyond the download.
| Parameter | Spy PDF | Stashmark |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.0 β better | 16.0 |
| Further details β not scored | ||
| Size | 32 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JAEMIN LEE | Green Delta Technology LLC |
In-app purchases
Spy PDF
No in-app purchases
Stashmark
- Stashmark Pro$3.99









