Nebulis vs DeepFrame
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Nebulis
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Nebulis is the companion app for your Nebulis astrophotography server. Browse your entire deep-sky image library from your iPhone or iPad, plan your next observation session, and dive deep into the objects you've captured. Your Library, Your Way Browse hundreds of images organized by object, date, and type. Filter by galaxies, nebulae, or star clusters. Mark favorites, swipe through full-screen previews with pinch-to-zoom, and edit your captures right on your device. Plan Your Next Session The built-in planner shows you what's worth imaging tonight based on your location ā with altitude charts, object details, and a curated "best tonight" list so you spend less time planning and more time imaging. Sky Forecast Check local sky conditions before you haul out the gear. Seeing and transparency forecasts help you decide if it's worth setting up. Explore Without a Server New to Nebulis? Browse a curated sample gallery of deep-sky objects to see what the app can do before connecting your own library. Privacy First Nebulis connects directly to your own server on your local network. Requires a Nebulis server (free) running on your local network or accessible via your home connection. Get Nebulis here -> https://nebulis.app
DeepFrame
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eepFrame is a deep-sky imaging planner for astrophotographers. Point it at your location and any night ā tonight or a simulated one ā and it shows exactly what's worth shooting and when. WHAT IT DOES ⢠Plots every catalogue object's path across your sky from dusk to dawn, with a midnight marker. ⢠Picks out the imageable window ā where each object is high enough (alt ā„ 25°) and culminating near midnight ā so you know the best hours to capture it. ⢠Draws your rig's true field of view around any object, so you can judge framing before you set up. ⢠Overlays a real all-sky survey photo, the Milky Way, constellations, named stars, the ecliptic, planets and the Moon ā toggle each layer to taste. ⢠Masks YOUR local horizon: capture a 360° skyline with the camera (a guided sweep, or import a panorama), edit the sky away, and objects that never clear your trees and buildings are flagged as blocked. ⢠Keeps your imaging log: per-object sessions with date, scope, camera, filters and exposure, your own processed thumbnails, and how far each got ā finished, captured-but-unprocessed, or stacked-with-no-result-yet. ⢠Lays your own processed shots on the chart, on their own icon, at the exact field of view they were taken at ā so you can see what you've already covered. ⢠Browse your whole imaging database: a searchable, sortable, groupable list of every object with each night underneath. Tap a picture for the full frame; tap a name to jump to it on the sky. BUILT FOR THE FIELD ⢠Works fully offline ā the ~5200-object catalogue, all maths and your data live on device. ⢠Fast, gesture-driven all-sky chart: pan, pinch to zoom, tap any object for its card, tracks and imaging log. ⢠A time capsule to preview any past or future night. EVERYTHING IS FREE The full catalogue, every object type, magnitude and size, unlimited rigs, locations and your own shots ā all free. No account, no ads, no tracking. Built with open astronomy data (OpenNGC, VizieR/CDS) and public survey imagery (Pan-STARRS via CDS; NOIRLab all-sky photo). Full credits in the About screen.
Screenshots
Verdict
The clearest difference is price: DeepFrame at Free against Nebulis's $4.99. Nebulis's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
DeepFrame is free to download; Nebulis costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Nebulis ships an update every 2 weeks, DeepFrame monthly. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.
| Parameter | Nebulis | DeepFrame |
|---|---|---|
| Price | $4.99 | Free ā better |
| Update frequency | Every 2 weeks ā better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple TV ā better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 15 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Brentley Catoe | Arnulf Friedemann Jurgen Keese |
In-app purchases
Nebulis
No in-app purchases
DeepFrame
No in-app purchases









