# RSM Assembly Instructions vs Lava Lamp MC

The clearest difference is price: RSM Assembly Instructions at Free against Lava Lamp MC's $2.99. RSM Assembly Instructions also leads on iOS requirement (12.0 vs 16.6). Lava Lamp MC's advantage is ratings volume (27 vs 9). On rating, update cadence, ads and in-app purchases there is nothing between them.

RSM Assembly Instructions is free to download; Lava Lamp MC costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for RSM Assembly Instructions against 4.8 for Lava Lamp MC. Both are backed by a comparable volume of ratings — 9 and 27 respectively.

RSM Assembly Instructions ships an update every 32 months, Lava Lamp MC every 21 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RSM Assembly Instructions | Lava Lamp MC |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.7 (9 ratings)](https://appshunter.io/ios/app/rsm-assembly-instructions/id1439769406/reviews) | **[4.8 (27 ratings)](https://appshunter.io/ios/app/lava-lamp-mc/id6479559461/reviews)** |
| Number of ratings | 9 | **27** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 21 months** |
| Monetization | **Free** | Paid |
| Size | 285 MB | 378 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### RSM Assembly Instructions

[App page](https://appshunter.io/ios/app/rsm-assembly-instructions/id1439769406)

This app provides step-by-step assembly instructions for robotic models built with the "Robotics: Smart Machines – Tracks & Treads Edition" engineering kit. It serves as a digital manual to guide users through the building process.

**Highlights:** Step-by-step assembly guides, Digital manual for robotics kits, Model building instructions, Compatible with Tracks & Treads Edition

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

**In-app purchases:** none


### Lava Lamp MC

[App page](https://appshunter.io/ios/app/lava-lamp-mc/id6479559461)

Experience a dynamic and customizable digital lava lamp simulation on your device. Powered by the Marching Cubes algorithm, this app offers a visually stunning and interactive way to personalize your screen with various materials and settings.

**Highlights:** Dynamic lava lamp simulation, Highly customizable settings, Advanced material management, Interactive UI controls, Save and reset personalized settings

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

**In-app purchases:** none


## Frequently asked questions

### Is RSM Assembly Instructions free?

RSM Assembly Instructions is free to download, with no in-app purchases.

### Is Lava Lamp MC free?

Lava Lamp MC costs $2.99, with no in-app purchases.

### Which has better reviews, RSM Assembly Instructions or Lava Lamp MC?

Lava Lamp MC is rated higher. RSM Assembly Instructions averages 4.7 out of 5 from 9 ratings, while Lava Lamp MC averages 4.8 from 27 ratings.

### Do RSM Assembly Instructions or Lava Lamp MC have ads?

Neither RSM Assembly Instructions nor Lava Lamp MC shows ads.

### Which is updated more often, RSM Assembly Instructions or Lava Lamp MC?

RSM Assembly Instructions ships an update every 32 months, and Lava Lamp MC every 21 months. Most recently, RSM Assembly Instructions was updated on October 24, 2026 and Lava Lamp MC on October 30, 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.*