# Ratio World vs Lab Junk

The clearest difference is ads: Lab Junk at none against Ratio World's shown. Lab Junk also leads on monetization model (free vs ad-supported). Ratio World's advantage is update cadence (every 8 days vs every 7 months) and iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ratio World ships an update every 8 days, Lab Junk every 7 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Ratio World | Lab Junk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ratio-world/id1518152914/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 7 months |
| Monetization | Ad-supported | **Free** |
| Size | 121 MB | 108 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [John Ayala](https://appshunter.io/developer/1195679013) | [Martin Rosenthal](https://appshunter.io/developer/1728895149) |

## What reviewers say

### Ratio World

[App page](https://appshunter.io/ios/app/ratio-world/id1518152914)

Embark on an educational adventure to understand the concept of proportions through engaging gameplay. This game is designed for all ages, offering an enjoyable experience for the entire family.

**Highlights:** Learn about proportions, Adventure gameplay, Suitable for all ages, Family-friendly experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Lab Junk

[App page](https://appshunter.io/ios/app/lab-junk/id6741333587)

Embark on a Metroidvania-style adventure as BALL and PADDLE escape a derelict lab. Discover hidden items and unique abilities to overcome enemies and solve puzzles. This challenging game requires strategy and exploration, honoring the spirit of classic 80s and 90s gaming.

**Highlights:** Metroidvania-style gameplay, Challenging puzzles, Hidden items and abilities, Boss battles, Offline play, Retro gaming inspired

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ratio World free?

Ratio World is free to download, with no in-app purchases.

### Is Lab Junk free?

Lab Junk is free to download, with no in-app purchases.

### Do Ratio World or Lab Junk have ads?

Ratio World shows ads; Lab Junk does not.

### Which is updated more often, Ratio World or Lab Junk?

Ratio World ships an update every 8 days, and Lab Junk every 7 months. Most recently, Ratio World was updated on October 20, 2026 and Lab Junk on October 18, 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.*