Sky Tonight is an astronomy reference app for amateur stargazers, providing real-time sky mapping and observation planning tools on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
#137
▼7Reference · free
Sentiment
4.7
151k reviews
Nemesis
Sky Guide
The App DNA
What makes this app unique?
Users hire the app to identify celestial objects and plan viewing sessions based on local weather and light pollution, replacing the need for multiple disparate tools.
For Amateur astronomers, astrophotographers, and casual stargazers looking for location-specific observation planning tools.
What does it look like?
Key features
Visualizes celestial object paths relative to the observer's specific location.
Calculates observation quality based on Moon phase, light pollution, and cloud cover.
Overlays the digital sky map onto the real-world view.
How much does it cost?
Freemium model uses feature gating on search and planning tools to drive conversion to a paid subscription.
Velocity
Maintenance developmentUX improvementsperformanceShow more...
The app has released 4 updates over the last 7 months, averaging approximately 0.14 releases per week, which places it in the maintenance tier. Development has decelerated significantly since the end of 2025, shifting from feature-rich updates like comet tracking and transit events to minor stability improvements in the latest version. There is no evidence of ongoing live-ops or seasonal event cycles. The current cadence suggests a focus on long-term stability rather than active feature expansion.
Who built it?
Vito Technology
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Monster Park - AR Dino WorldUser Sentiment
What do users think recently?
Recent user voice shows an excited sentiment. Users appreciate real-time sky mapping provides an immersive and educational stargazing experience for amateur astronomers, but report inaccurate device orientation and gps tracking post-update prevent users from correctly aligning the sky map.
How are ratings & reviews evolving?
What users say, by theme
- Real-time sky mapping provides an immersive and educational stargazing experience for amateur astronomers
- Inaccurate device orientation and GPS tracking post-update prevent users from correctly aligning the sky map
114 of 158 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Sky Tonight - Stargazing Guide
How's the Reference market?
Sky Tonight maintains a consistent presence in the Books & Reference category, currently holding a 4.7-star rating across over 150,000 total ratings. The gap between its free-tier discovery advantage and its grossing rank suggests monetization friction that limits revenue capture relative to its user base.
Read the market outlookThe rivals identified
By Fifth Star Labs LLC
With over 350,000 reviews and a long-standing market presence, Sky Guide is the dominant reference point for stargazing apps.
- Features a cinematic, high-fidelity visual interface that prioritizes immersive exploration over simple data retrieval.
- Utilizes a proprietary 'AR-first' navigation system that feels more responsive than standard device-sensor implementations.
- Maintains a premium, subscription-free legacy model that creates significant friction for ad-supported or freemium competitors.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Sky Tonight - Stargazing Guide
Where is it heading?
The amateur astronomy market is consolidating around tools that offer hyper-local weather integration and high-fidelity tracking. Sky Tonight remains advantaged by its data-dense planning tools, but the lack of feature expansion in recent updates leaves it exposed to rivals like Astrospheric.
- Tracking regressions in the latest update erode the daily active habit, which compounds the rating drag already visible on Android.
- The stargazing index continues to drive daily planning sessions, providing a stable retention floor despite technical issues.
The SWOT
- Real-time sky mapping accuracy drives daily habit formation
- Interactive trajectory tool provides unique utility for astrophotographers
- Stargazing index creates a data-driven retention loop
- Integrate hyper-local weather forecasting to match Astrospheric
- Expand wearable device support to counter Night Sky
- Introduce granular notification controls to reduce churn
Next best moves
Rebuild AR tracking logic because tracking regressions on high-end devices erode core utility → restore rating baseline
+ 1 more prioritized moveThe counter-intuitive read
The app's #2 rank is a liability…
Read the full takeFeature gaps
Hyper-local weather forecasting (available in Astrospheric but missing here) +1
Since the last report: The app has entered a maintenance phase characterized by technical regressions in AR tracking and increased user frustration regarding ad frequency.
Bottom line
Sky Tonight holds its category lead through high-utility planning tools but risks losing casual users to ad-fatigue and technical regressions, so the PM must prioritize AR tracking stability to defend the current rating baseline.
Unlock 3 critical frictions, 3 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Sky Tonight good for beginners?
How does Sky Tonight compare to Sky Guide?
Does the free version have ads?
What is a free alternative to Sky Tonight?
Report last updated