iORA vs Plethnotic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iORA
Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.
- 3D chemical reaction visualization
- Quantum-mechanical simulations
- Interactive learning
- Easy to use interface
- Educational tool
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iORA is a free, easy to use, highly interactive smartphone application that provides 3D visualization of chemical reactions based on quantum-mechanical simulations.
Plethnotic
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Multiply the Fun, Master the Math! Get ready to conquer multiplication tables with Plethnotic, the learning app designed for kids, adults, and anyone eager to sharpen their multiplication table skills! Whether you’re a young learner starting your math journey or an adult brushing up on the basics, our engaging and customizable features make multiplication, bonds and theory practice a blast. Why Choose Plethnotic? Personalized Profiles: Create multiple profiles right on the app! Perfect for families, classrooms, or individuals who want to track their progress separately. Switch between profiles with ease and keep everyone’s learning journey organized. Customizable Sessions: You’re in control! Choose how many questions you want in each session—whether it’s a quick 5-question sprint or more questions for a challenge. Tailor the experience to your pace and goals. Flexible Input Modes: Make learning interactive! Pick from pre-generated answer choices for a fun multiple-choice style, or type in the correct answer to test your recall. There’s a mode for every learner. Track Your Progress: Never miss a beat! The app saves a detailed history of your completed sessions, showing your scores and highlighting what you got right and wrong. Review your performance to improve with every try. Perfect for All Ages With its colorful, kid-friendly design and intuitive interface, Plethnotic makes learning multiplication tables engaging for children. Adults can enjoy a quick mental workout or help their kids practice. Teachers and parents will love the ability to monitor progress and customize sessions for different learners. Learn Anywhere, Anytime No internet? No problem! Plethnotic works offline, so you can practice multiplication tables at home, in the classroom, or on the go. Build confidence, boost math skills, and have fun while doing it!
Screenshots
Verdict
The clearest difference is update cadence: Plethnotic at monthly against iORA's every 2 months. iORA's advantage is iOS requirement (14.3 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iORA ships an update every 2 months, Plethnotic monthly. The most recent releases landed on September 22, 2026 and October 5, 2026 respectively.
| Parameter | iORA | Plethnotic |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 40 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Ess | Frederick Rudolf Janse van Rensburg |
In-app purchases
iORA
No in-app purchases
Plethnotic
No in-app purchases









