# rr vs Run Through Respiration

The clearest difference is in-app purchases: Run Through Respiration at none against rr's 8. Run Through Respiration also leads on ads (none vs shown) and review sentiment (100% vs 68%). On price and device support there is nothing between them.

Both are free to download. rr sells 8 in-app purchases, starting at $1.99 per month. Run Through Respiration asks for nothing beyond the download.

## The numbers

| Metric | rr | Run Through Respiration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (84 ratings)](https://appshunter.io/ios/app/rr/id931343017/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 67.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 133 MB | 241 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Adaptive Apps Pty Ltd](https://appshunter.io/developer/937589555) | [RUN THROUGH PTY LTD](https://appshunter.io/developer/1759634036) |

## What reviewers say

### rr

[App page](https://appshunter.io/ios/app/rr/id931343017)

This is a challenging puzzle game where players must strategically place pieces into two circles. With infinite solution possibilities per level and 150 levels to master, it offers endless entertainment and skill-testing gameplay. Compete on leaderboards and earn medals.

**Highlights:** Two-circle gameplay, Infinite solution possibilities, 150 levels, Leaderboards and medals, Level skipping, Unlock all levels

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| rr Legend, monthly | $1.99 | per month |
| rr Legend, yearly | $19.99 | per year |
| Skip Level | $0.49 | one-time |
| Skip 3 Levels | $1.29 | one-time |
| Skip 5 levels | $1.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Unlock All Levels | $7.99 | one-time |
| Unlock all + remove ads | $10.99 | one-time |

**What reviewers like**

- 👍 Addictive gameplay
- 👍 Fun and challenging
- 👍 Simple concept
- 👍 Visually appealing graphics
- 👍 Stimulates the senses

**What reviewers complain about**

- 😠 Extremely difficult levels
- 😠 Frustrating difficulty spikes
- 😠 Ads interrupt gameplay
- 😠 Repetitive gameplay
- 😠 Can cause anger/frustration

**Reported bugs**

- Ads pop up during gameplay
- Game cuts off music
- Level 23 is physically impossible to complete (according to one user)
- Level 46 causes immediate loss
- Game crashes (mentioned by one user)

**Requested features**

- Fix level 23
- Add more levels
- Number dots like in 'aa'
- Change dot size
- No-ads upgrade option


### Run Through Respiration

[App page](https://appshunter.io/ios/app/run-through-respiration/id6590602836)

This game aims to make high school biology more accessible and engaging by teaching core respiration concepts through interactive gameplay. It's designed to help students struggling with the subject find motivation and achieve success.

**Highlights:** Learn core biology concepts, Focuses on respiration, Game-based learning, Designed for high school students, No ads or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is rr free?

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

### Is Run Through Respiration free?

Run Through Respiration is free to download, with no in-app purchases.

### Do rr or Run Through Respiration have ads?

rr shows ads; Run Through Respiration does not.

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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.*