Comparison

Curiosity vs Sophia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Curiosity

Features
Read full description

Did you know a day on Venus lasts longer than a year? Or that apples float because they are 25% air? Curiosity is your daily dose of fascinating knowledge. Designed with a sleek, minimal interface, this app transforms the way you explore the universe. Why choose Curiosity? • Endless Discovery: One tap brings a brand-new amazing fact. Learn something fascinating every time you open the app. • Dynamic Atmospheres: Customize your experience with 11 astronomy-inspired themes. From the Sun to Pluto, each theme changes the look with subtle gradients and animations. • Custom App Icons: New! Match your home screen icon to your favorite planet. • Interactive Widgets: Bring curiosity to your home screen. Browse facts and check your favorites without opening the app (iOS 17+). • Smart Translation: High-quality automatic translation ensures language is never a barrier. • Copy & Share: Impress your friends by sharing new knowledge instantly. Awaken your curiosity. Explore the unexpected.

About

Sophia

This app offers bite-sized learning opportunities on a wide range of topics including history, science, and economics. Engage with engaging courses, test your knowledge with quizzes, and track your progress to build a strong foundation of general knowledge in just 10 minutes a day.

Highlights
  • Short, dense learning content
  • Daily quizzes to test knowledge
  • Progress tracking
  • Wide range of topics covered
  • Clean, distraction-free interface
  • Focus on retention and memorization
Read full description

Sophia: General Knowledge is the app that turns your free time into real learning opportunities. Whether you're a student looking to build solid knowledge or simply curious about the world around you, Sophia keeps you company every day with carefully selected content on history, science, philosophy, geopolitics, literature, economics, and much more. Learn in just 10 minutes a day. No need to spend hours on textbooks. Sophia offers short, dense, high-quality content designed to fit naturally into your day: on the subway, during your lunch break, or before bed. Every course is engaging, clear, and easy to remember. A complete library at your fingertips. Explore hundreds of courses on dozens of topics. Every course comes with a quiz to make sure you've really absorbed what you just learned, because reading is good, but understanding is better. Take on the challenge every day. Test your knowledge with daily questions, track your progress, and watch your general knowledge grow week after week. Sophia is designed to keep you motivated, with a learning experience that feels more like a game than a chore. Built for focus and memorization. Sophia's interface is intentionally clean. No distractions, no fluff: just you and the knowledge you're building. Our content is structured to maximize retention and help you connect ideas. Finally understand what everyone's talking about. From Napoleon's Hundred Days to the basics of macroeconomics, from ancient philosophy to modern geopolitics, Sophia covers the topics that fuel conversations, debates, and the world we live in. Whether you want to ace an exam, shine at dinner parties, or simply become more well-read, Sophia is the best investment you can make in yourself. Download Sophia today. The most well-read version of you starts here. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Curiosity4 screens
Sophia4 screens

Verdict

The call

The clearest difference is in-app purchases: Curiosity at none against Sophia's 10. On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sophia sells 10 in-app purchases, starting at $5.99 per 7 days. Curiosity asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 9, 2026.

Scorecard1 real difference · 9 level
Curiosity versus Sophia: the parameters behind the verdict, then further details
ParameterCuriositySophia
PriceFreeFree
Rating—4.7 (192 ratings) — better
Positive reviews—69.6% of reviews
Number of ratings—192 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size33 MB246 MB
Age rating4+4+
DeveloperJavier Cabo RocaVik Studios SAS

In-app purchases

None

Curiosity

No in-app purchases

10 purchases

Sophia

Subscriptions10
  • Sophia Premium Weekly$5.997 Days
  • Sophia Premium Annual3 Days trial$8.991 Year
  • Sophia Premium Monthly3 Days trial$8.991 Month
Show 7 more
  • Sophia Premium Annual3 Days trial$17.991 Year
  • Sophia Premium Annual Plan$17.991 Year
  • Sophia Premium Annual3 Days trial$24.991 Year
  • Sophia Premium Annual Plan$24.991 Year
  • Sophia Premium Annual3 Days trial$34.991 Year
  • Sophia Premium Annual3 Days trial$44.991 Year
  • Sophia Premium Annual3 Days trial$59.991 Year

Questions

Is Curiosity free?
Curiosity is free to download, with no in-app purchases.
Is Sophia free?
Sophia is free to download, with in-app purchases available.
Do Curiosity or Sophia have ads?
Neither Curiosity nor Sophia shows ads.
Which is updated more often, Curiosity or Sophia?
Curiosity ships an update weekly, and Sophia weekly. Most recently, Curiosity was updated on November 9, 2026 and Sophia on November 9, 2026.

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