ASGuide vs Telescopius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASGuide
Explore the night sky with this astronomy companion. Discover planets, galaxies, nebulae, and more visible from your location. Generate custom viewing lists and preview celestial objects with an interactive sky atlas.
- Discover celestial objects visible from your location
- Generate custom viewing lists
- View detailed observation information
- Interactive sky atlas preview
- Dark mode for nighttime viewing
- Sunrise/sunset and moon phase dashboard
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Discover the wonders visible in your sky tonight. ASGuide (Astronomy Sky Guide) turns your location and observing time into a personal guide to the night sky. Discover visible planets, galaxies, nebulae, stars, star clusters, and galactic regions. Plan an observation, explore from home, or find your next celestial target. Find objects worth viewing and learn more about every discovery: - See what is visible from your location and when to observe it. View rise, transit, and set times. - Filter by magnitude, altitude above the horizon, constellation, object type, and more. - Search by common name, catalog number, constellation, object type, or detailed classification. - Browse the solar system and deep-sky categories. - Return quickly to recent searches and recently viewed objects. - See which planets are visible. - Save favorite objects for future viewing. - Use your current location or select any location on Earth. - Check sunrise, sunset, twilight, and night times. - Follow the current moon phase, illumination, moonrise, moonset, and the next new and full moons. - Open high-resolution imagery and explore objects with the interactive sky atlas. Customize the Home screen with the information that matters to you. Use the dark appearance for nighttime observations, or the standard iOS appearance. Your next night-sky discovery starts with ASGuide.
Telescopius
Discover celestial objects for your telescope and plan stunning astrophotography shots. Save favorite targets, simulate camera framings, and create intricate mosaics. Explore a community gallery of breathtaking astrophotography.
- Find telescope targets
- Save favorite celestial objects
- Simulate astrophotography framings
- Plan image mosaics
- Community astrophotography gallery
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Astronomy and astrophotography tools. Find targets for your telescope, save your favorites, simulate astrophotography framings, plan mosaics, and enjoy our community-driven astrophotography gallery. Astronomy Planning Made Easy, 100% free.
Screenshots
Verdict
The clearest difference is review sentiment: ASGuide at 100% against Telescopius's 54%. ASGuide also leads on rating (4.8 vs 3.6). Telescopius's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ratings volume, ads 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. Neither carries in-app purchases, so what you see is what you pay.
ASGuide holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews point the same way: 100% of ASGuide's written reviews are positive against 54% of Telescopius's.
| Parameter | ASGuide | Telescopius |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (9 ratings) — better | 3.6 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 53.8% of reviews |
| Number of ratings | 9 — better | 8 |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Philip Perez | Sebastian Oscar Garcia Rojas |
Customer experience
ASGuide
Telescopius
In-app purchases
ASGuide
No in-app purchases
Telescopius
No in-app purchases









