ITU Morse Codes vs NanoPDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ITU Morse Codes
Read full descriptionHide full description
A simple yet powerful Morse code coder and decoder application. The input of the dashes and dots it simple enough to enter them without actually looking at the iPhone screen. Various decoding options present the codes using common alternative representations including di/da and ti/ta. The player supports sending the morse signals using the torch, the screen, or the speaker of the iPhone. You can too enter and decode the dashes and dots using the Apple Watch. As a plus, the Apple Watch can also serve as a reference with the complete ITU alphabet and various helper representations.
NanoPDF
Read full descriptionHide full description
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!
Screenshots
Verdict
The clearest difference is price: NanoPDF at Free against ITU Morse Codes's $0.99. NanoPDF also leads on update cadence (every 6 weeks vs every 27 months). ITU Morse Codes's advantage is iOS requirement (13.0 vs 18.6). On ads, in-app purchases 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
NanoPDF is free to download; ITU Morse Codes costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ITU Morse Codes ships an update every 27 months, NanoPDF every 6 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | ITU Morse Codes | NanoPDF |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 27 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Laurent Rodier | Giovanni Outerleys |
In-app purchases
ITU Morse Codes
No in-app purchases
NanoPDF
No in-app purchases








