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Best iThree alternatives: apps like iThree - Sanzi Jing

2+ similar apps compared and reviewed

4.8 avg rating
2 free apps
Updated November 2026
iThree - Sanzi Jing
iThree - Sanzi Jing
倩从 何
πŸ“š Education
πŸ” Reference

iThree is great, but it's not the only option. Explore 2+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to iThree

Reasonal: Critical Thinking#1

Reasonal: Critical Thinking by Reasonable Minds, LLC

Reasoning, Logic & Fallacies
Editor's Choice
πŸ“š Education
4.9(96 ratings)
FreeIn-App Purchases
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Develop critical thinking, logic, and data analysis skills with interactive lessons. Learn to identify manipulation, bias, and evaluate arguments using real-world examples and research-backed content. Adapt your learning path based on your understanding.

Exoplanet#2

Exoplanet by Hanno Rein

Interactive exoplanet database
Strong Contender
πŸ“š Education
4.7😊(978 ratings)
FreeIn-App Purchases
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Explore a vast, interactive database of discovered exoplanets and their host stars. Visualize their physical properties, locations in the night sky, and orbital paths. Discover the observable universe from Earth to the cosmic microwave background with stunning 3D models and augmented reality features.

What We Love

  • πŸš€ Great app
  • πŸ‘ Insanely entertaining
  • πŸ‘ Amazing graphics and interactive diorama
  • πŸ‘ Detailed explanation of planets
  • πŸ‘ Awesome app for astronomy and physics lovers
  • πŸ‘ Excellent app with comprehensive databases
  • πŸ‘ Fantastic app for learning and exploring the universe
  • πŸ‘ Wonderful app for visualizing the cosmos
  • πŸ‘ Brilliant and creatively interactive
  • πŸ‘ Fantastic for anyone interested in astronomy
  • πŸ‘ Excellent for teaching and inspiring science
  • πŸ‘ Spectacular graphics and exoplanet information

Room to Improve

  • πŸ› Some exoplanets not showing up in search
  • πŸ› Inconsistent behavior when switching between databases
  • πŸ”’ Paid upgrades required to access more features
  • πŸ› Upgrade purchase issues with Galaxy Clusters and CMB add-on
  • πŸ› Exoplanets represented as generic white balls
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