Best 6 Astronomy Apps in 2026: Compare the Stars

Introduction

SkySafari is the best overall astronomy app here, thanks to its interactive sky charts, wide range of identifiable objects, and useful information about what you find. This roundup compares six apps for live sky maps, observing plans, and more advanced astronomy tools. The picks cover iPhone and Android, though availability varies.

Quick comparison table

Star Chart and Star Walk 2 Plus let you point your device at the sky to identify or explore objects. Sky Live is more focused on planning, while SkySafari 7 Pro offers more advanced tools than standard SkySafari. Prices and availability can change, so check the listing for your device.

1. SkySafari

Best for: iPhone users who want an approachable planetarium and broad object identification.

SkySafari’s interactive charts show stars, constellations, planets, comets, and satellites. If you spot something unfamiliar, its object information can tell you more than just its name. The sky chart is the main draw, making this astronomy app useful for browsing the sky as well as identifying what you see.

2. Star Chart

Best for: Android users who want to identify what is visible overhead in real time.

Point your phone upward, and Star Chart uses your location and a 3D model of the universe to match its display to the sky. The focus is live identification, rather than a broader set of observing tools. Its location-aware 3D view is a good fit if you mainly want to know, “What am I looking at?”

3. Sky Live: Heavens Above Viewer

Best for: iPhone users planning observing sessions or night-sky photography.

Sky Live helps you plan nights out to watch stars, planets, and constellations. That makes it more focused on observing than a basic sky map. It’s aimed at both astronomers and night-sky photographers, though that alone may not tell you whether it’s right for you. The planning tools stand out if you like to prepare before heading outside.

4. Star Walk 2 Plus: Live Sky Map

Best for: iPhone users who want a point-and-identify sky map.

Point your device at the sky to explore stars, planets, and constellations on the screen. The app description highlights an easy way to explore thousands of celestial objects, so its focus is broad sky discovery rather than specialized planning or telescope control. The point-and-view experience is handy for quick, visual exploration.

5. SkySafari 7 Pro

Best for: iPhone users seeking advanced astronomy tools and a large object database.

SkySafari 7 Pro includes a more specialized toolkit, with planning and logging tools, telescope control, and extensive coverage of celestial objects. It’s a step beyond the general-purpose SkySafari, aimed at people who want to do more with their observing sessions. Telescope control is a key feature, alongside its advanced tools.

6. SkyORB Classic Astronomy

Best for: iPhone users looking for an all-in-one astronomy companion.

SkyORB covers stars, planets, and celestial events, and includes information about astronomical phenomena. It’s a broad companion for exploring what’s happening in the sky, rather than an app built around one specific planning or identification feature. Its updates on astronomical phenomena will appeal to users who want to stay informed.

How we picked these apps

We looked for a clear, practical use for each astronomy app, such as identifying objects overhead, planning an observing session, exploring celestial objects, or using advanced controls. That makes it easier to compare apps that show the sky but serve different needs.

Platform availability matters, too. The list includes iOS and Android options, but not every app is available on both. Check your device’s store listing before choosing.

We also treated standard SkySafari and SkySafari 7 Pro as separate picks because their stated capabilities differ, particularly in advanced planning, logging, and telescope control. App descriptions helped us establish what each one claims to do. We did not treat promotional language or popularity claims as independent proof of quality.

Frequently asked questions

What can an astronomy app identify?

Depending on the app, a sky map can help identify stars, planets, and constellations, as well as comets or satellites. Some apps also provide information about celestial objects and astronomical phenomena.

How does a phone-based sky map work?

A sky map can use your device’s position and orientation to show what’s overhead when you point the phone upward. Features vary: some apps focus on live identification, while others are built for exploring objects, planning observations, or using advanced controls.

Do these astronomy apps work on iPhone and Android?

The roundup covers both platforms, but most of the listed apps are for iPhone. Star Chart is the Android pick. Availability can change, so check the relevant store listing for current device compatibility. A beginner-friendly sky map may be enough for quick identification. Planning tools are better for prepared observing sessions, while advanced options such as telescope control suit more involved use.

The verdict

SkySafari is the strongest overall pick, combining interactive sky charts, broad object identification, and useful information about celestial objects. Android users who want to identify objects in real time by pointing their phone upward should consider Star Chart. For iPhone users who want advanced planning, logging, and telescope control, SkySafari 7 Pro is the runner-up. Choose based on your platform and whether you’re after identification, planning, or more advanced tools.