Comparison

Sungres vs Arrebol

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sungres

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Sungres is a multifunctional tool that provides a large amount of data about the sun and solar activity. With the help of this tool, you can get accurate data on the position of the sun in the sky, calculate the optimal angles of solar panels, get data on solar flares, geomagnetic storms, and other data. App features: • Determining the exact position of the sun. • Data about the sun, time, solar intensity, etc. • Notifications about geomagnetic storms, solar flares, and other events. • An augmented reality camera for displaying the position and path of the Sun. • Compass for easy orientation in space. • Aurora map. • Map with a built-in compass to help you track the sun's movement anywhere in the world. • Calculation of optimal angles for solar panels. • Solar eclipse. • Charts. Terms of Use: https://reimlex.com/legal/terms

About

Arrebol

This app provides accurate sunrise and sunset times for your current location. It offers beautiful widgets and lock screen displays, working entirely offline with no data collection. Ideal for those who enjoy nature's daily cycles and value privacy.

Highlights
  • Automatic location-based calculations
  • Home screen widgets
  • Lock screen time display
  • Manual location search
  • Offline functionality
  • Privacy-focused
Features
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Drag through the day and watch the light change: sunrise, sunset, golden hour, blue hour and the chance of a burning sky, at a glance. • Sunrise, sunset, golden and blue hour, with a countdown • Earth’s Light: turn the globe to see day, twilight and city lights everywhere right now • Shadow: a 3D tree in this moment’s sunlight, showing how long its shadow falls and which way • Chance of a burning sky, and a sky drawn from the forecast • Constellations in AR: hold up your phone to find all 88 • Sun & moon map and AR sky path • Sunrise, sunset and golden hour alerts • Multiple saved places, each in its local time • 24-hour cloud and 10-day outlook • Eclipses, meteor showers, aurora • Widgets and Dynamic Island countdown Weather: Apple Weather. Space weather: NOAA SWPC. Eclipse predictions: Fred Espenak, NASA GSFC. Earth imagery: NASA.

Screenshots

Sungres4 screens
Arrebol4 screens

Verdict

The call

The clearest difference is in-app purchases: Arrebol at none against Sungres's 1. Arrebol also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sungres sells 1 in-app purchase, starting at $0.99 per month. Arrebol asks for nothing beyond the download.

UpkeepUpdate frequency

Sungres ships an update fortnightly, Arrebol every 3 days. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
Sungres versus Arrebol: the parameters behind the verdict, then further details
ParameterSungresArrebol
PriceFreeFree
Rating—4.6 (5 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—5 — better
Update frequencyFortnightlyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better18.0
Further details — not scored
Size45 MB51 MB
Age rating4+4+
DeveloperOleh HoncharenkoJiawen Sun

In-app purchases

1 purchases

Sungres

Subscriptions1
  • Premium7 Days trial$0.991 Month
None

Arrebol

No in-app purchases

Questions

Is Sungres free?
Sungres is free to download, with in-app purchases available.
Is Arrebol free?
Arrebol is free to download, with no in-app purchases.
Do Sungres or Arrebol have ads?
Sungres shows ads; Arrebol does not.
Which is updated more often, Sungres or Arrebol?
Sungres ships an update fortnightly, and Arrebol every 3 days. Most recently, Sungres was updated on October 30, 2026 and Arrebol on October 30, 2026.

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