Comparison

ReactionFlash vs Illusio

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

Head to head
About

ReactionFlash

This app serves as a comprehensive flashcard-style learning tool for named chemical reactions. It provides detailed information on reaction mechanisms and examples from scientific literature, with a quiz mode to test user knowledge.

Highlights
  • Learn named chemical reactions
  • Understand reaction mechanisms
  • View literature examples
  • Quiz mode for knowledge testing
  • Flashcard interface
Features
Read full description

Want to refresh your memory on named chemical reactions before an exam or a group meeting? Get all the details with ReactionFlash(R) as a great way to learn named reactions, understand their mechanisms and view examples published in peer-reviewed literature. Designed and developed in consultation with Professor Dr. Erick M. Carreira of ETH Zürich, the app covers 1'266 named chemical reactions, by far the largest collection of Named Reactions. Professor Carreira has helped ensure that we have all the fundamental reactions that should be part of every chemist’s toolkit: from the best-known ones to the ones only Nobel Prize winners remember! The app is designed like a set of flash cards so it can be used as a learning tool as well as a reference. Each ‘card’ shows the reaction, its mechanism and examples from peer-reviewed, published literature. It also has a quiz mode that lets you test your knowledge. Linking into Reaxys enables you to find the most recent examples of each reaction, many with experimental details. Reaxys delivers experimental facts from the literature, enabling researchers to find the best synthetic routes and conditions. Find out more at https://www.elsevier.com/solutions/reaxys Download the app now and see if you know all the named reactions! Summary: - Learn named reactions - Review and understand mechanisms - Explore examples published in peer-reviewed literature - Take the ReactionFlash quiz and see how much you know If you need support, please contact us at reactionflash@elsevier.com. Reaxys and ReactionFlash are trade marks of Elsevier Limited, used under license.

About

Illusio

Features
Read full description

Illusio is a modern magic learning experience designed to help you master real techniques, sleights, and performance skills step by step. Progress through structured learning paths while learning card magic, sleight-of-hand, forces, controls, false shuffles, performance psychology, and more. Features: • Step-by-step magic lessons • Structured progression paths • Real-world performance advice • Pro tips and common mistakes • XP, streak, token, and progression tracking • Rewards and digital downloads • Competitions and giveaways • Performance routines and practice tools • Cloud progression sync • Dark and light mode support • Optimised for phones and tablets Whether you’re completely new to magic or improving existing skills, Illusio helps you build real performance ability through focused, immersive lessons. Earn rewards, track your progress, unlock achievements, build performance routines, and continue developing your magic skills through an expanding collection of lessons and learning paths. New lessons, rewards, competitions, and learning paths are added regularly.

Screenshots

ReactionFlash4 screens
Illusio4 screens

Verdict

The call

The clearest difference is ads: ReactionFlash at none against Illusio's shown. Illusio's advantage is update cadence (every 8 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ReactionFlash ships an update every 4 months, Illusio every 8 days. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
ReactionFlash versus Illusio: the parameters behind the verdict, then further details
ParameterReactionFlashIllusio
PriceFreeFree
Rating4.8 (41 ratings) — better
Positive reviews80.6% of reviews
Number of ratings41 — better
Update frequencyEvery 4 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.013.0 — better
Further details — not scored
Size37 MB59 MB
Age rating4+12+
DeveloperElsevier LimitedMind Mirage Apps Ltd

In-app purchases

None

ReactionFlash

No in-app purchases

None

Illusio

No in-app purchases

Questions

Is ReactionFlash free?
ReactionFlash is free to download, with no in-app purchases.
Is Illusio free?
Illusio is free to download, with no in-app purchases.
Do ReactionFlash or Illusio have ads?
Illusio shows ads; ReactionFlash does not.
Which is updated more often, ReactionFlash or Illusio?
ReactionFlash ships an update every 4 months, and Illusio every 8 days. Most recently, ReactionFlash was updated on September 21, 2026 and Illusio on September 8, 2026.

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