# One Color Start vs Mewton's Liquid Lab

The clearest difference is update cadence: Mewton's Liquid Lab at every 3 days against One Color Start's every 6 months. One Color Start's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

One Color Start ships an update every 6 months, Mewton's Liquid Lab every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Color Start | Mewton's Liquid Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mewtons-liquid-lab/id6791243529/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 122 MB | 158 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EasyPlay Games](https://appshunter.io/developer/1820358455) | [KAL Foundry, LLC](https://appshunter.io/developer/6779062945) |

## What reviewers say

### One Color Start

[App page](https://appshunter.io/ios/app/one-color-start-sorting-game/id6747276957)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mewton's Liquid Lab

[App page](https://appshunter.io/ios/app/mewtons-liquid-lab/id6791243529)

Engage your mind with a vibrant liquid sorting puzzle game. Strategically pour colored liquids between tubes to achieve a single color in each. Explore themed labs and tackle increasingly complex challenges with a charming cat-scientist.

**Highlights:** Liquid color sorting puzzles, Satisfying pouring animations, Strategic gameplay, Themed laboratory environments, Lab Quest and Challenge Bench modes, Helpful tools like Paw Hints and Undo Beakers

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

**In-app purchases:** none


## Frequently asked questions

### Is One Color Start free?

One Color Start is free to download, with no in-app purchases.

### Is Mewton's Liquid Lab free?

Mewton's Liquid Lab is free to download, with no in-app purchases.

### Do One Color Start or Mewton's Liquid Lab have ads?

Both One Color Start and Mewton's Liquid Lab show ads.

### Which is updated more often, One Color Start or Mewton's Liquid Lab?

One Color Start ships an update every 6 months, and Mewton's Liquid Lab every 3 days. Most recently, One Color Start was updated on October 25, 2026 and Mewton's Liquid Lab on October 24, 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.*