NanoPDF vs Hush Secret Text
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NanoPDF
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Discover NanoPDF, the app that transforms how you access PDF documents by making them available right on your Apple Watch. With NanoPDF, your essential files are with you everywhere, whether for work or leisure, making viewing your documents an effortless experience. Here’s a glimpse of the key features: Quick Access: Browse your PDFs with ease directly from your watch. Seamless Sync: Select a PDF on your iPhone and find it instantly on your watch. Easy Zoom: A simple tap on your watch screen to zoom for optimal reading, even of the most delicate texts. Ergonomic Navigation: The Digital Crown enables intuitive navigation through pages and zooming into specific details. Simple Deletion: Once finished reading, quickly delete the PDF from your watch. Integrated Guide: New to NanoPDF? Our built-in tutorial will quickly get you comfortable with all the features offered. NanoPDF is the perfect companion for professionals on the move, and anyone looking to blend productivity with mobility. Download NanoPDF today and transform your watch into a dynamic portable library for all your PDFs!
Hush Secret Text
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Sealed Bundles protects several files in one authenticated encrypted package. Reopen a bundle, verify its complete contents and prepare recovered files only when you choose. HOW TO USE THE UPGRADE 1. Open Sealed Bundles, select files and enter a strong secret. Seal the bundle and share the encrypted package. 2. To verify or recover, choose Open a bundle, select the package and enter its secret. A just-created bundle can be opened directly for verification. 3. Authenticate the whole bundle before preparing recovered files for sharing. Clear the workspace when finished. Secret text, encrypted single-file workflows and the existing Hush tools remain available. Bundles are opened through Sealed Bundles; they are not ZIP archives. WHAT TO KNOW One to 12 files, up to 20 MB combined raw data. The existing HUSHF2 format uses AES-256-GCM and PBKDF2-SHA256 with 600,000 iterations. The secret cannot be recovered by the developer. Encrypted filenames and contents are authenticated; the outer file reveals the bundle format. Recovered exports are ordinary independent files. Clear removes this workspace’s temporary copies; it is not guaranteed secure erasure of storage or previously shared copies. iPhone and iPad. No account required.
Screenshots
Verdict
The clearest difference is price: NanoPDF at Free against Hush Secret Text's $2.99. Hush Secret Text's advantage is update cadence (fortnightly vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement 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
NanoPDF is free to download; Hush Secret Text costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NanoPDF ships an update every 6 weeks, Hush Secret Text fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | NanoPDF | Hush Secret Text |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Giovanni Outerleys | Robert Corbin |
In-app purchases
NanoPDF
No in-app purchases
Hush Secret Text
No in-app purchases









