Arsyc vs Heterocycles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arsyc
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ARSYC is one of the most advanced and comprehensive in-class response systems or audience response system available today. Created and developed by industry experts for more than 10 years The teacher can ask his students questions and then show the results in the form of a histogram, bar diagram or other type of graph. The results will remain stored and you can consult them later to evaluate each student, perform attendance control ... It is free and may be advised by experts in the field. Our systems offer 99.99% availability with a high level of security. The system has a gamification modality. This will increase student motivation and make learning more fun.
Heterocycles
Master the names and applications of organic chemistry's heterocycles. This interactive app covers over 75 compounds with hundreds of examples and personalized review modes. Track your progress with achievements and learn about their roles in medicine and biology.
- 75+ heterocycles
- Hundreds of examples
- Multiple practice modes
- Personalized review
- Reference table
- Achievements
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Learn the names of heterocycles - all in an engaging and interactive format. If you’re puzzled by pyridines, quizzical about quinazolines, or interested in indolines, look no further. You’ll quickly become familiar with the most important nitrogen-, oxygen-, and sulfur-containing heterocycles, along with their applications in medicinal chemistry, biology, and beyond. The app features: • 75+ simple and advanced heterocycles • Hundreds of examples • Multiple practice modes • Personalized review • Reference table and definitions • Achievements to track your progress Along the way, you’ll learn interesting facts about pharmaceuticals, biomolecules, dangerous compounds, unique molecular structures, and more. Give it a try and let us know what you think!
Screenshots
Verdict
The clearest difference is in-app purchases: Arsyc at none against Heterocycles's 1. Arsyc also leads on update cadence (every 5 weeks vs every 11 months) and iOS requirement (11.0 vs 15.0). On price, 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
Both are free to download. Heterocycles sells 1 one-off in-app purchase. Arsyc asks for nothing beyond the download.
Arsyc ships an update every 5 weeks, Heterocycles every 11 months. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.
| Parameter | Arsyc | Heterocycles |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 83 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Jose Lopez Jimenez | Clarity Applications |
In-app purchases
Arsyc
No in-app purchases
Heterocycles
- Lifetime Access$4.99









