Inkulus vs Derivon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inkulus
This app makes learning calculus engaging and effective through interactive tutorials, competitive gameplay, and real-time feedback. It allows users to actively solve problems, track progress, and develop a deeper understanding of mathematical concepts.
- Interactive calculus tutorials
- Multiple game modes
- 1v1 math battles
- XP progression and statistics
- Drawing canvas for touch/Apple Pencil
- Active learning approach
Read full descriptionHide full description
Inkulus – Learn Calculus the Interactive Way Inkulus is designed to make learning calculus more engaging, intuitive, and effective. By combining structured tutorials, competitive gameplay, and real-time feedback, Inkulus helps students move beyond memorization and develop a deeper understanding of mathematical concepts. Instead of studying passively, you actively solve problems, track your progress, and challenge yourself in a dynamic learning environment. Whether you are preparing for exams or strengthening your mathematical foundation, Inkulus turns calculus practice into an interactive experience. Learn by Doing Inkulus provides step-by-step tutorials that guide you through key calculus topics. Each lesson focuses on understanding the underlying concepts while giving you practical exercises to apply what you learn. Challenge Yourself Practice your skills across different game modes designed to test both accuracy and speed. For an extra challenge, compete in 1-on-1 math battles where you solve problems head-to-head with other learners. Track Your Progress Stay motivated with detailed gameplay statistics and an XP-based progression system. Monitor your improvement, identify areas to work on, and build confidence as you advance. Solve Naturally With a built-in drawing canvas that supports touch and Apple Pencil, you can write and solve problems just like on paper. This makes it easier to visualize calculations and work through complex problems step by step. Key Features • Interactive tutorials covering core calculus concepts • Multiple game modes for practice and competition • Real-time 1v1 math battles • XP progression and performance statistics • Advanced drawing canvas with touch and Apple Pencil support • Designed for students who want to learn actively Inkulus brings together education, competition, and gamification to create a new way of mastering calculus. Learn. Compete. Improve. Terms of Use: https://inkulus.com/#terms-of-service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inkulus.com/#privacy-policy
Derivon
Master calculus concepts like derivatives and integrals through daily, intuitive practice. Earn rewards, collect planets, and build streaks as you progress through challenges. Designed for quick, effective learning sessions.
- Daily calculus problem practice
- Earn Star Sand rewards
- Collect planets in Gallery
- Build and maintain daily streaks
- Rank-Up Challenges
- Shooting mode for breaks
Read full descriptionHide full description
Master calculus through daily practice. Solve derivatives and integrals by intuition — no overthinking, just repetition. • Swipe through problems and build your skills • Earn Star Sand with every correct answer • Spin the Gacha to collect planets in your Gallery • Build a daily streak — never break the chain • Take Rank-Up Challenges as you progress • Play Shooting mode for a quick break • Track your streak, level up, and earn rewards Whether you're preparing for AP Calculus, university exams, or just sharpening your math skills, Derivon makes practice feel like a space adventure. 3 minutes a day. That's all it takes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Inkulus at none against Derivon's shown. Derivon's advantage is update cadence (every 4 days vs monthly). On price, rating, review sentiment and ratings volume 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
Both are free to download. Inkulus sells 3 in-app purchases, starting at $2.99 per 7 days and Derivon sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 3.0 for Inkulus against 3.0 for Derivon. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Inkulus ships an update monthly, Derivon every 4 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Inkulus | Derivon |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 3.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26 | 26.0 |
| Further details — not scored | ||
| Size | 4 MB | 182 MB |
| Age rating | 4+ | 4+ |
| Developer | Teksum Development | ABT合同会社 |
Customer experience
Inkulus
Derivon
In-app purchases
Inkulus
- Inkulus Pro Weekly$2.997 Days
- Inkulus Pro Monthly$7.991 Month
- Inkulus Pro Yearly$69.991 Year
Derivon
- 5 Star Fragments$0.99
- 12 Star Fragments$1.99
- 32 Star Fragments$3.99









