# R2R: Advanced Chemistry — Revision for 16-18 year olds

> Chemistry revision app with targeted questions and progress tracking for UK A-Levels. (iPhone/iPad app by James Styles.)

- Source: https://appshunter.io/ios/app/r2r-advanced-chemistry/id1268437563 (this page in markdown: same URL + `.md`)
- Developer: [James Styles](https://appshunter.io/developer/1537953716)
- Category: Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 8 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.3 · 151 MB
- Languages: American English
- Released: 2018-04-22
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/r2r-advanced-chemistry/id1268437563/reviews.md

## What is R2R?

Don't know what to revise? Not enough time to revise? Let Rudi Rabbit help by asking you a whole bunch of Chemistry questions and then suggesting which topics you have done least well on. Once done, you can either choose questions at random or only on specific topics.

This app is aimed at those students studying for A Levels in the United Kingdom but may also be of use to those studying the International Baccalaureate and other International examinations.

The free version comes with 160 questions, but if you find it useful why not upgrade by adding over 500 extra questions by purchasing the Extra Questions Pack? If you select your examination board, Rudi will even tailor the questions to your specification.

## Key features

- Targeted chemistry questions
- Identifies weak revision topics
- Random and topic-specific practice
- Exam board tailoring
- Optional extra question packs

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Extra Questions Pack | $0.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/r2r-advanced-chemistry/id1268437563/reviews.md

### 5/5 — This is absolutely banging

*2019-04-26*

MC Styles you’ve done it again. Mad respect for my teacher of 5 years. Absolute whiz

## Frequently asked questions about R2R

### What is R2R: Advanced Chemistry used for?

R2R: Advanced Chemistry is designed to help students revise chemistry topics by posing questions and identifying areas needing more attention. It allows for both random practice and focused study on specific subjects.

### Who is R2R: Advanced Chemistry for?

This app is primarily for students aged 16-18 preparing for UK A-Level Chemistry exams. It may also benefit those studying for the International Baccalaureate and other international examinations.

### How does R2R: Advanced Chemistry help with revision?

The app asks a variety of chemistry questions and then suggests topics where the student has performed less well. Users can then choose to answer questions randomly or focus on specific areas for targeted revision.

### Can R2R: Advanced Chemistry be customized for my exam board?

Yes, if you select your examination board within the app, Rudi Rabbit will tailor the questions to your specific curriculum. This ensures the revision content is relevant to your studies.

### What is the difference between the free and paid versions of R2R: Advanced Chemistry?

The free version of R2R: Advanced Chemistry includes 160 questions. An optional 'Extra Questions Pack' can be purchased to add over 500 additional questions for more comprehensive revision.

### What devices does R2R: Advanced Chemistry support?

R2R: Advanced Chemistry is available on iPhone, iPad, and iPod. It is designed for Apple mobile devices.

### How often is R2R: Advanced Chemistry updated?

The latest version of R2R: Advanced Chemistry is 1.1, which was last updated on January 13, 2021. This indicates it receives periodic updates to maintain functionality and content.

### What is the user rating for R2R: Advanced Chemistry?

R2R: Advanced Chemistry has an excellent rating of 5.0 stars, based on 8 user reviews. This suggests a high level of user satisfaction with the app's educational content and functionality.

## Version history (last 5 releases)

### 1.1 — 2021-01-13

- Fixes a bug that caused the app to become unresponsive when revising for a prolonged period of time.
- A few other under-the-hood changes.

### 1.0.4 — 2019-08-21

A few question fixes and under-the-hood upgrades.

### 1.0.3 — 2018-08-28

Minor bug fixes and question improvements

### 1.0.2 — 2018-06-03

Thanks for playing. This app has addressed the following:

- you can skip the animations by double tapping the screen;
- when viewing extra information about a question you can return by tapping the screen instead of clicking back;
- fixes an issue on the analysis page that caused the app to exit unexpectedly on some devices;
- improves the wording on some questions.

### 1.0.1 — 2018-04-28

This update offers some minor bug and question fixes.

Thanks for playing!

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## More apps by James Styles

- [R2R: Organic Synthesis](https://appshunter.io/ios/app/r2r-organic-synthesis/id1224055846)
- [R2R: Functional Groups](https://appshunter.io/ios/app/r2r-functional-groups/id1225511399)
- [R2R: GCSE Chemistry](https://appshunter.io/ios/app/r2r-gcse-chemistry/id1412733078)
- [Capsule Lander](https://appshunter.io/ios/app/capsule-lander/id1439904471)
- [R2R: Chemistry Battle](https://appshunter.io/ios/app/r2r-chemistry-battle/id1524614212)

All apps by James Styles: https://appshunter.io/developer/1537953716

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*