Best apps like Haru - Astronomers' Toolkit

10+ similar apps compared and reviewed

3.5 avg rating
9 free apps
Updated July 2026

Haru is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Haru

Storm Tracker Professional#1

Storm Tracker Professional by corey hoggard

Editor's Choice
☀️ Weather
1.0(3 ratings)
$4.99Ads
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This app provides detailed storm tracking with live Doppler radar, storm signatures for tornadoes and hail, and lightning strike data. It also offers hurricane tracking, NWS alerts, and storm reports directly from NOAA and NWS.

Astroweather - astronomy tools#2

Astroweather - astronomy tools by Linfeng Li

Toolkit for stargazing
Strong Contender
☀️ Weather
3.6(8 ratings)
FreeAdsIn-App Purchases
Astroweather - astronomy tools screenshot 1
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This app provides specialized weather forecasts for astronomical observation. It includes astronomical event predictions, light pollution maps, and satellite imagery. Users can also track rise and set times for celestial bodies.

More apps like Haru

4
卫星云图软件
卫星云图软件
卫星云图软件
by ZhongShan Yosa Network Technology Ltd.
Free
☀️ Weather
(0)
5
Solar Activity
Solar Activity
Solar Activity
Magnetic storm forecast
Free

Track solar activity with a forecast for magnetic storms up to 27 days in advance. View the latest images and videos of the sun, and monitor key metrics like the Kp index and sunspots.

Magnetic storm forecastKp index forecast (3-27 days)Aurora borealis predictions
☀️ Weather
(1)
ad-supported
6
Smile Day - 昨天/今天/明天天气预报
Smile Day - 昨天/今天/明天天气预报
Smile Day - 昨天/今天/明天天气预报
三日天气对比:昨日 · 今日 · 明日
Free

This app provides intuitive weather advice, translating complex data into simple suggestions for daily decisions. It offers actionable tips on what to wear, if an umbrella is needed, and temperature comparisons. Get quick answers without needing to interpret raw weather information.

Actionable weather advice3-day comparisonSimple feeling indicators
☀️ Weather
(6)
free with in-app purchases
7
Elevation Map-Mountain Weather
Elevation Map-Mountain Weather
Elevation Map-Mountain Weather
Forecast O2,air with altitude
Free

This app calculates air pressure, temperature, and oxygen levels based on altitude, and provides mountain weather forecasts. It simulates the oxygen-hemoglobin dissociation curve to help users understand blood oxygen saturation at different heights. Access global elevation data and visualize it with a color map.

Altitude-based air pressure and temperature calculationOxygen content and partial pressure predictionBlood oxygen saturation simulation
☀️ Weather
(185)
free with in-app purchases
8
The Sun: Sunrise sunset Times
The Sun: Sunrise sunset Times
The Sun: Sunrise sunset Times
Calendar sunrise sunset
Free

Get precise sunrise, sunset, and twilight times for any location globally. Access detailed solar data including UV index, daylength, and the sun's position. Ideal for photographers, travelers, and astronomers seeking accurate celestial information.

Sunrise and sunset timesTwilight timesUV Index
☀️ Weather
(962)
free with in-app purchases
9
Epicenter - Earthquake Map
Epicenter - Earthquake Map
Epicenter - Earthquake Map
Worldwide USGS & EMSC Data
Free

Explore global earthquake activity from the past 30 days on an interactive globe. View detailed information, animate seismic events over time, and customize map displays. Includes companion apps for Apple Watch and a Today Widget for quick access to recent data.

30 days of global earthquake dataInteractive rotatable and zoomable globeEarthquake details (magnitude, depth, source)
☀️ Weather
(0)
paid
10
NOAA Buoy Reports & Ship Data
NOAA Buoy Reports & Ship Data
NOAA Buoy Reports & Ship Data
No Nonsense Buoy Conditions
Free

Access detailed buoy and ship observation data without weather forecasts or tide information. View current conditions, historical trends, and storm locations on an intuitive map. Monitor your favorite locations with customizable widgets.

Intuitive map interfaceQuick-view FavoritesTropical Storm/Hurricane/Cyclone locations
☀️ Weather
(2.4K)
free with in-app purchases