Comparison

Sun Facts vs Ackerwetter

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

Head to head

Sun Facts

Sun, moon and day length

Free

☀️ Weather

★ 4.8296 ratingsView app →

About

Sun Facts

Get precise sunrise, sunset, solar noon, and twilight times for your location. Track celestial events like solstices and equinoxes, and view the sun's path. An optional pro version unlocks detailed moon phase and eclipse information.

Highlights

Sunrise and sunset times
Solar noon calculation
Twilight and golden hour tracking
Sun path visualization
Solstice and equinox dates
Widget for home screen
Eclipse event notifications

Features

Read full description

Calculate times of sunrise, sunset, moonrise (pro), moonset (pro) and more for your location at any given date. * Provides the following information: - Sunrise - Sunset - Solar noon - Twilight times - Blue hour - Golden hour - Equation of time - Declination - Azimuth of sunrise and sunset - Altitude of sun at noon - Sun Path during the day - Solstice and Equinox dates - Widget for displaying sunrise and sunset times on the Today screen - Date and time of next solar eclipse Pro Version (In-app-purchase): - Moon rise - Moon transit - Moon set - Declination - Azimuth of moon rise and moon set - Altitude of moon during transit - Date of next new/full moon - Moon Path during the day - Date and time of next lunar eclipse * Location from : - GPS receiver - map - list of more than 30000 cities - WGS-84 coordinates

About

Ackerwetter

This agricultural weather app provides enhanced forecasts from thousands of weather stations to aid in digital crop protection. It offers timely alerts for optimal crop spraying times, helping farmers make informed decisions.

Highlights

Enhanced weather forecasts
Thousands of weather stations
Digital crop protection guidance
Timely crop spraying alerts
Agricultural portal

Features

Read full description

Ackerwetter ist ein neues Agrarportal aus mehreren tausend Wetterstationen zur Verbesserung von Wetterprognosen und als Einstiegshilfe in einen digitalen Pflanzenschutz. Über sog. Ackeralarme soll der Landwirt eine Warnung bekommen, wann er sein Getreide optimalerweise spritzen sollte. Es gelten die AGB: https://www.raiffeisen.com/wetter/station/info/agb

Screenshots

Sun Facts4 screens

Ackerwetter4 screens

Verdict

The call

The clearest difference is ads: Ackerwetter at none against Sun Facts's shown. Ackerwetter also leads on iOS requirement (14.0 vs 18.6). Sun Facts's advantage is review sentiment (97% vs 75%). On price, update cadence, in-app purchases and monetization model 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. Sun Facts sells 1 one-off in-app purchase and Ackerwetter sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level

Sun Facts versus Ackerwetter: the parameters behind the verdict, then further details
Parameter	Sun Facts	Ackerwetter
Price	Free	Free
Rating	4.8 (296 ratings) — better	—
Positive reviews	97.3% of reviews — better	75.0% of reviews
Number of ratings	296 — better	—
Update frequency	Every 2 months	Every 2 months
Ads	Yes	No — better
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	Free with in-app purchases
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	18.6	14.0 — better
Further details — not scored
Size	81 MB	18 MB
Age rating	4+	4+
Developer	Volker Voecking Software Engineering	Raiffeisen-NetWorld GmbH

Customer experience

Sun Facts

All ratings296 ratings

Positive97.0%

Neutral2.4%

Negative0.7%

Written reviews111 reviews

Positive97.3%

Neutral1.8%

Negative0.9%

Ackerwetter

Written reviews8 reviews

Positive75.0%

Neutral0.0%

Negative25.0%

Bugs and requests

Sun Facts

Reported bugs

8 issues

Time is not displayed correctly
Map is outdated
Map is cluttered with lines
Widget and location settings don't work well
App became unstable and crashed

Show 3 more

Street map is out of date
Lower culmination times not displayed
Card feature sometimes reacts slowly

Requested features

9 requests

Make Sun Facts Pro free
URL-scheme for app launch
Display WOZ (true local time)
More visual effects for solar/lunar events
3D view on map

Show 4 more

AR function for sun/moon position
Visual representation of moon phases
Add altitude of the sun to largest widget
Add time charge in min and seconds for sunrise/sunset differences to widget

Ackerwetter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Sun Facts

One-time1

Sun Facts Pro$4.99

4 purchases

Ackerwetter

Subscriptions4

Profiwetter Monatlich$8.991 Month
Profiwetter1 Month trial$45.001 Year
Ackerwächter1 Month trial$45.001 Year

Show 1 more

Kombiabo1 Month trial$69.001 Year

Questions

Is Sun Facts free?

Sun Facts is free to download, with in-app purchases available.

Is Ackerwetter free?

Ackerwetter is free to download, with in-app purchases available.

Do Sun Facts or Ackerwetter have ads?

Sun Facts shows ads; Ackerwetter does not.

Which is updated more often, Sun Facts or Ackerwetter?

Sun Facts ships an update every 2 months, and Ackerwetter every 2 months. Most recently, Sun Facts was updated on October 26, 2026 and Ackerwetter on October 25, 2026.