Sputnik! vs Sungres
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sputnik!
Track the International Space Station and bright satellites with precise timing and location data. Get second-by-second countdowns, set reminders, and view satellite paths in the night sky. Supports offline calculations and sharing sightings.
- Accurate satellite and ISS sighting predictions
- Starlink satellite train detection
- Second-by-second countdowns
- Sighting reminders
- Compass direction and elevation display
- Night sky path visualization
- Offline calculations
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Sputnik! is an easy to use tool for predicting when the International Space Station will pass by your location or when a bright satellite will be visible in the skies above. Sputnik! features: - Predictions of satellite and ISS sightings accurate to the second. - Detection of Starlink satellite trains. - Second by second countdown to the satellite sighting. - Set reminders of upcoming satellite sightings. - Displays compass direction and elevation for your device to easily find the part of the sky where the sighting will occur (requires capable device). - Rotate your device to landscape orientation to show exactly where the satellite will pass in the night sky. - Share sightings via Twitter, Facebook, Mail, Messages and others. - Automatic download of up to date satellite orbital data. - Offline calculations, no need to be connected to the internet once orbital data has been downloaded. - Input your location automatically by GPS, select from a map or enter coordinates manually. - Save your favorite places for easy access. - Audio cues for the last seconds before the satellite passes by. Sputnik! on Apple Watch: - Easily find the next and last sighting at your current location. * Sputnik! is ad-supported *
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
Screenshots
Verdict
The clearest difference is ads: Sputnik! at none against Sungres's shown. Sputnik! also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.6). Sungres's advantage is update cadence (fortnightly vs every 5 months). On price and in-app purchases 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
Both are free to download. Sputnik! sells 1 one-off in-app purchase and Sungres sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Sputnik! ships an update every 5 months, Sungres fortnightly. Both last shipped on September 23, 2026.
| Parameter | Sputnik! | Sungres |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (731 ratings) — better | — |
| Positive reviews | 92.2% of reviews | — |
| Number of ratings | 731 — better | — |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 35 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Applicate Ltd | Oleh Honcharenko |
Bugs and requests
Sputnik!
Reported bugs
3 issues- App reporting 'No Sightings' for all categories
- Null check errors when selecting satellite sightings
- Issues with location settings and data updates
Requested features
4 requests- Add support for more satellite types
- Improve sky chart visualization and orientation
- Provide filtering options (e.g. by elevation, magnitude)
- Implement automatic data updates
Sungres
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sputnik!
- Go ad-free$0.99
Sungres
- Premium7 Days trial$0.991 Month
Questions
Is Sputnik! free?
Is Sungres free?
Do Sputnik! or Sungres have ads?
Which is updated more often, Sputnik! or Sungres?
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