8+ iOS apps curated and reviewed
Finding the right dfr editions apps can be overwhelming with so many options. We've analyzed 8+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $26.99 | 4.4★ (10) | No | No | Jul 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | — | No | No | Jul 2026 |
| 4 |  | Free | 3.1★ (8) | No | No | May 2026 |
| 5 |  | Free | 1.0★ (1) | No | No | May 2026 |
| 6 |  | Free | 1.0★ (8) | Yes | No | Jul 2026 |
| 7 |  | Free | — | No | No | Jul 2026 |
This app provides a comprehensive celestial navigation toolkit, including sight reduction, position fixing, and meridian passage calculations. It features an embedded nautical almanac and astronomical computations, eliminating the need for physical tables. Observations can be saved and exported, and the app functions offline.
This navigation tool displays the real-time position of the sun and moon on a compass rose, based on your current location and time. Rotate the rose to align with celestial bodies and instantly find true north. It's useful for mariners in areas with magnetic interference or for calibrating traditional compasses.
Access millions of digitized historical documents from the National Library of France and its partners. Browse books, newspapers, manuscripts, and more. Save, share, and download content for offline reading.
Access comprehensive guides, video tutorials, and an eBook library for a digital publishing suite. Stay informed with the latest news and support resources.
Easily convert DJVU files to PDF, PNG, TXT, and other formats, or convert various formats back to DJVU. This app offers fast, precise, and unlimited conversions directly on your device without requiring sign-ups or fees.
Access a digital library of Christian books on your mobile devices. Purchase ebooks from the online store and enjoy them instantly within the app. Take notes and sync your reading progress across multiple platforms.