Report updated Apr 3, 2026
ISS Explorer
v7.2.1Students, space enthusiasts, and educators looking for an interactive, detailed, and accurate 3D educational tool to learn about the International Space Station.
What Is ISS Explorer?
Launched Aug 28, 2018
Updated Oct 2025
What does it look like?
What are the key features?
Full 3D visualization of the International Space Station with rotation and zoom capabilities.
Organized system hierarchy allowing users to drill down into specific modules, trusses, and external platforms.
Ability to isolate a selected component to focus exclusively on its structure and details.
Provides detailed educational information about the currently selected part, system, or the entire station.
Toggle visibility, labels, and transparency for individual parts to customize the learning experience.
What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.
Gathering public signals...
Sentiment analysis will be available once enough user reviews are collected.
What are the pros and cons?
Pros
- Official NASA branding and authority
- Unique hierarchical part isolation and technical transparency
- Completely free with no ads or monetization friction
- High user satisfaction (4.9 rating)
Cons
- Low user acquisition and rating volume
- Lack of live telemetry or real-time video feeds
- Narrow focus on a single spacecraft (ISS only)
- Infrequent update cycle compared to commercial rivals
What is the market outlook?
Growth Opportunities
- Integration of Augmented Reality (AR) for immersive module tours
- Adding live astronaut activity or real-time station telemetry
- Gamification of station assembly or maintenance tasks
- Expanding the model hierarchy to include visiting spacecraft (Dragon, Starliner)
Market Threats
- Commercial apps like Solar Walk 2 offering higher visual fidelity
- Live-tracking apps capturing the casual enthusiast market
- Platform shifts making static 3D models less relevant than AR-first experiences
Who competes with ISS Explorer?
The Nemesis
Why it's a threat
Contenders
ISS Live Now
★4.6 (6K)Carlos Santos
The leading app for ISS enthusiasts, combining live video feeds with tracking and educational station information.
The leading app for ISS enthusiasts, combining live video feeds with tracking and educational station information.
ISS Detector
★4.1 (159)Derk Vrijdag
Directly competes for the attention of users interested in real-time ISS telemetry and station visualization.
Directly competes for the attention of users interested in real-time ISS telemetry and station visualization.
SkySafari 7 Plus
Simulation Curriculum Corp.
A premium educational tool that provides highly accurate technical data on the ISS and other orbiting satellites.
A premium educational tool that provides highly accurate technical data on the ISS and other orbiting satellites.
Spaceflight Simulator
Spaceflight Simulator UK Ltd
Attracts the same technical audience by allowing users to build and dock modules in a 3D space environment.
Attracts the same technical audience by allowing users to build and dock modules in a 3D space environment.
Peers
Broad educational astronomy app that includes satellite tracking and spacecraft models.
Augmented Reality (AR) Mode
Accessible AR tool for identifying the ISS and learning basic facts about orbiting objects.
Time Travel
Night Sky
iCandi Apps Ltd.
Popular AR astronomy app that features detailed 3D models of satellites and the ISS in its ecosystem.
Popular AR astronomy app that features detailed 3D models of satellites and the ISS in its ecosystem.
Stellarium Mobile - Star Map
Noctua Software Ltd
The mobile version of the open-source standard for space visualization and satellite tracking.
The mobile version of the open-source standard for space visualization and satellite tracking.
New Kids on the Block
A modern, high-performance astronomy app that streamlines satellite and ISS discovery for new users.
Interactive Trajectories Relative to Observer
A specialized tool focused exclusively on the visualization and tracking of man-made objects like the ISS.
Real-time Sky View
What are the key takeaways?
ISS Explorer is a divisive education app that is completely free. With a 4.9/5 rating from 16 reviews, it receives mixed feedback from users.
Best for: Students, space enthusiasts, and educators looking for an interactive, detailed, and accurate 3D educational tool to learn about the International Space Station.
How much does it cost?
Model: free
The app follows a public service model, providing high-quality educational content as a free resource without monetization.
iOS Version
7.2.1
Release Date
Aug 28, 2018
iOS Price
Free