# Heterocycles vs ETH Study Planner

The clearest difference is in-app purchases: ETH Study Planner at none against Heterocycles's 1. ETH Study Planner also leads on update cadence (daily vs every 11 months). Heterocycles's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Heterocycles sells 1 one-off in-app purchase. ETH Study Planner asks for nothing beyond the download.

Heterocycles ships an update every 11 months, ETH Study Planner daily. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Heterocycles | ETH Study Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/heterocycles/id6445909269/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [Luca Blume](https://appshunter.io/developer/1545121674) |

## What reviewers say

### Heterocycles

[App page](https://appshunter.io/ios/app/heterocycles/id6445909269)

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.

**Highlights:** 75+ heterocycles, Hundreds of examples, Multiple practice modes, Personalized review, Reference table, Achievements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### ETH Study Planner

[App page](https://appshunter.io/ios/app/eth-study-planner/id6737737758)

This app helps Computer Science Bachelor's students at ETH Zurich plan their academic journey. It allows users to add courses, track credit progress, and discover pre-made study plan templates from peers. Get personalized recommendations to optimize your workload and meet graduation requirements.

**Highlights:** Add and discover courses, Track credit progress by category, Browse student-created study plan templates, Filter templates by interests, Import courses to personal plan, Personalized study plan suggestions

**In-app purchases:** none


## Frequently asked questions

### Is Heterocycles free?

Heterocycles is free to download, with in-app purchases available.

### Is ETH Study Planner free?

ETH Study Planner is free to download, with no in-app purchases.

### Do Heterocycles or ETH Study Planner have ads?

Neither Heterocycles nor ETH Study Planner shows ads.

### Which is updated more often, Heterocycles or ETH Study Planner?

Heterocycles ships an update every 11 months, and ETH Study Planner daily. Most recently, Heterocycles was updated on October 1, 2026 and ETH Study Planner on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*