Star Guide vs SORAWATARI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Star Guide
Transform your device into a real-time planetarium to explore the night sky. Identify stars and planets, and plan optimal viewing times. Experience celestial objects in 3D and preview future or past sky conditions from any location.
- Real-time star and planet identification
- Augmented Reality sky overlay
- 3D celestial object visualization
- Best viewing time notifications
- Sky time travel (past/future)
- Location-based sky preview
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Turn your phone into a real‑time planetarium. Star Guide helps you explore the night sky, identify stars and planets, and plan the best moments to look up—whether you’re stargazing tonight or previewing the sky months from now. Point your device upward to see what’s above you, switch on Augmented Reality (AR) for an immersive sky overlay, and explore celestial objects in 3D. Want to plan ahead? Travel through time to see how the sky changes in the past or future, and preview the view from different locations around the world. Key features • Live star finder & planetarium view Explore the night sky based on your position and direction. • Augmented Reality mode Overlay stars and planets on your camera view for easy identification. • 3D stars & planets Visualize objects in a more immersive way and explore in 3D. • Best viewing time notifications Get alerts for great stargazing moments and upcoming viewing opportunities. • 24‑hour sky motion preview See how a star moves and circles across the sky over a full day. • Past & future sky “time travel” Rewind to previous nights or fast‑forward to plan future observations. • Different locations Change your location to preview the sky from other places—perfect for trips. Great for • Casual stargazing from your backyard • Learning the night sky with an interactive planetarium • Planning the best time to spot planets • Exploring how the sky looks from other cities and countries Permissions (why they may be requested) • Location: improves sky accuracy for your current position • Camera: required for AR mode • Notifications: optional alerts for best viewing times Download Star Guide and start exploring the sky—right from your pocket.
SORAWATARI
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Hold your phone up to the sky, and the constellations appear. SORAWATARI uses your location and the direction your phone is facing to draw the stars that are really there — even in daylight, even behind the clouds. No telescope, no dark-sky site, no experience needed. ■ See the sky in AR ・Point your phone anywhere and see the constellations in that direction ・Works day or night, in any weather ・A golden guide arrow leads you to the constellation you are looking for ・Optionally show what lies below the horizon ・Bright stars are drawn in their true colors ■ Collect the sky ・Discover all 88 constellations and keep them as beautiful cards ・23 of the brightest stars and 8 famous star patterns, including the Big Dipper and the Summer Triangle ・Every card comes with its origin, legend, and story ・Share your discoveries with friends ■ Myths and stories ・Read or listen to the legends behind each constellation ・Find out which constellations are visible tonight and when each one is at its best ・Tonight's stargazing index based on cloud cover ■ SORAWATARI Premium (optional, one-time purchase) ・My Star: daily, weekly, and monthly readings plus your personality profile ・Compatibility: love, friendship, and work ・Star Oracle: a new message from the stars every day The AR sky view, the collection, and all myths and stories are free to use, with no ads. Premium is a single one-time purchase — no subscription. ■ Languages English and Japanese. Switch anytime from Settings > Language. Location is used only to calculate the sky above you. If GPS is unavailable, you can choose a city or enter your coordinates manually.
Screenshots
Verdict
The clearest difference is update cadence: Star Guide at every 8 days against SORAWATARI's every 2 weeks. Star Guide also leads on device support (3 vs 1). On price, ads, in-app purchases 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
Both are free to download. Star Guide sells 4 in-app purchases, starting at $1.99 per 7 days and SORAWATARI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Star Guide ships an update every 8 days, SORAWATARI every 2 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.
| Parameter | Star Guide | SORAWATARI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4.3K ratings) — better | — |
| Positive reviews | 26.6% of reviews | — |
| Number of ratings | 4.3K — better | — |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 220 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Star register | RYUNOSUKE NAKAMURA |
In-app purchases
Star Guide
- Weekly$1.997 Days
- Star-Registration Premium1 Month trial$4.991 Month
- Annually$29.991 Year
- One time$24.99
SORAWATARI
- SORAWATARI Premium$3.99
Questions
Is Star Guide free?
Is SORAWATARI free?
Do Star Guide or SORAWATARI have ads?
Which is updated more often, Star Guide or SORAWATARI?
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