Telescopius is an astronomy planning tool for amateur astrophotographers, providing equipment simulation and target filtering on iOS and Android.

The App DNA

What makes this app unique?

The app removes the cognitive friction of manual celestial framing by matching object size to specific camera and telescope combinations.

For Amateur astronomers and astrophotographers seeking technical planning tools for equipment setup and observation sessions.

What does it look like?

Key features

Telescope Simulatoredge

Simulates astrophotography and visual framing with custom equipment settings, increasing user reliance on the platform.

Astrophotography Galleryedge

Community-driven image hosting with automated plate solving, driving recurring traffic and ad-inventory.

Target Search & Filteringstandard

Advanced filters for deep sky objects, reducing wasted time for users and increasing session frequency.

How much does it cost?

free100% free access to all tools and features

The app operates on a free model supported by ad inventory and voluntary user donations.

Velocity

Maintenance developmentperformanceShow more...

Telescopius exhibits a maintenance-level development cadence, with only one release in the last 152 days and a total of two distinct versions identified in the analyzed window. The latest release focused exclusively on resolving a standalone mode display issue, indicating a lack of new feature development. With the iOS platform remaining stagnant for over 800 days, the overall development trend is minimal. The app currently functions as a stable utility without active feature iteration or live operations.

See all version history

Who built it?

Sebastian Oscar Garcia Rojas

1 app tracked · Education

Explore the full publisher profile

User Sentiment

What do users think recently?

Recent user voice shows an excited sentiment. Users appreciate accurate celestial object sizing and equipment framing tools provide significant value for amateur astrophotography planning and visual interface design makes exploring the night sky and identifying targets intuitive for astronomy enthusiasts.

How are ratings & reviews evolving?

Google Play
4.43 · 80
App Store
3.80 · 10

What users say, by theme

What Users Love
  • Accurate celestial object sizing and equipment framing tools provide significant value for amateur astrophotography planning
  • Visual interface design makes exploring the night sky and identifying targets intuitive for astronomy enthusiasts
What Frustrates Users
  • Login instability prevents users from accessing their accounts and saved data within the mobile application
+ 1 more theme
What Users Want 2 requests inside

24 of 24 recent reviews analyzed · moderate confidence · Excited overall

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Unlock 1 more frustration theme and 2 user requests, each backed by review evidence.

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Competition

Competitive landscape for Telescopius

How's the Education market?

Telescopius maintains a niche position in the Education category, recently appearing in the top 100 Free charts in Latvia and Russia. The lack of a premium tier or subscription model signals a focus on community scale over immediate revenue extraction.

The rivals identified

The Analyst's Read

Key takeaways for Telescopius

Where is it heading?

The astronomy planning market is consolidating around tools that offer high-fidelity visualization and native mobile performance. Telescopius remains advantaged by its technical equipment-framing utility, but the lack of native mobile optimization and recurring login errors limit its growth potential, risking a shift of the core user base to more polished alternatives.

  • Persistent login failures in the latest release erode trust, which compounds the churn risk for power users relying on saved data.
  • The maintenance-only release cadence suggests limited feature expansion, leaving the app vulnerable to rivals with faster live-ops cycles.

The SWOT

Core Strengths
  • Technical equipment-framing utility establishes deep user reliance
  • Community-driven gallery expands ad-impression inventory
Critical Frictions 2 weaknesses inside
Growth Levers
  • Automated weather-based notifications would increase daily active usage
  • Expanded comet and moon visualization would capture niche planning demand
Market Threats 2 threats identified

Next best moves

1 Invest · 1 Pivot

Audit authentication flow because login instability is the top-reported complaint → reduce churn of registered users

+ 1 more prioritized move

The counter-intuitive read

The app's web-wrapper architecture is not just a technical debt…

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Feature gaps

Augmented Reality sky guide (available in Cosmic-Watch but absent here)

Since the last report: Development velocity has decelerated to a 5-month cadence, and user sentiment has hardened against the app's reliance on a web-wrapper interface. This shift has prompted a strategic pivot toward native mobile navigation to mitigate churn.

Bottom line

Fixing authentication stability is the immediate priority to defend the core user base from churn. Once the login flow is reliable, the team should pivot toward native mobile navigation to differentiate the experience from the web-based competitor set.

Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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FAQ

Is Telescopius suitable for beginners in astronomy?
Yes, the app is designed for amateur astronomers and astrophotographers. Its visual interface is noted for being intuitive, though it is primarily built for those interested in technical planning and equipment framing.
How does Telescopius compare to Cosmic-Watch?
Telescopius focuses on technical planning, such as equipment framing and target filtering, whereas Cosmic-Watch offers an immersive AR sky guide and a more polished, visual experience for casual observers.
Does Telescopius have any hidden costs?
No, the app is marketed as 100% free, supported by ad inventory and voluntary user donations. There are no subscription tiers mentioned.
What is a good alternative to Telescopius?
Users looking for a more visual or AR-based experience may consider Cosmic-Watch, which provides 3D celestial visualization and interactive sky guides.

Sources

  1. [1] Play Store, source
  2. [2] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Telescopius, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

Development velocity has decelerated to a 5-month cadence, and user sentiment has hardened against the app's reliance on a web-wrapper interface. This shift has prompted a strategic pivot toward native mobile navigation to mitigate churn.

declined

Development Velocity

Mobile UX Complaints

Native Navigation Weakness

PM Strategy Shift

Cite this report

Marlvel.ai. “Telescopius Intelligence Report.” Updated Jul 30, 2026. https://marlvel.ai/apps/telescopius

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