# RSM Assembly Instructions vs Robot Factory 3D by Tinybop

The clearest difference is price: RSM Assembly Instructions at Free against Robot Factory 3D by Tinybop's $4.99. RSM Assembly Instructions also leads on rating (4.7 vs 3.6) and in-app purchases (none vs 2). Robot Factory 3D by Tinybop's advantage is update cadence (every 9 months vs every 32 months). On ratings volume, ads, device support and iOS requirement there is nothing between them.

RSM Assembly Instructions is free to download; Robot Factory 3D by Tinybop costs $4.99 up front. Robot Factory 3D by Tinybop sells 2 in-app purchases, starting at $0.99 per month. RSM Assembly Instructions asks for nothing beyond the download.

RSM Assembly Instructions holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 9 and 19 respectively.

RSM Assembly Instructions ships an update every 32 months, Robot Factory 3D by Tinybop every 9 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RSM Assembly Instructions | Robot Factory 3D by Tinybop |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/rsm-assembly-instructions/id1439769406/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/robot-factory-3d-by-tinybop/id1668161485/reviews) |
| Number of ratings | 9 | **19** |
| Positive reviews | — | 53.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 9 months** |
| Monetization | **Free** | Paid |
| Size | 285 MB | 465 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) | [Tinybop Inc.](https://appshunter.io/developer/682046582) |

## 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


### Robot Factory 3D by Tinybop

[App page](https://appshunter.io/ios/app/robot-factory-3d-by-tinybop/id1668161485)

Design, build, and test an infinite variety of 3D robots. Explore dynamic environments and bring your creations to life with realistic physics. Develop creative thinking and problem-solving skills through open-ended play.

**Highlights:** Expansive robot building toolkit, Realistic physics-based testing, Colorful customization options, Sound recording, Multiplayer mode, Kid-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is RSM Assembly Instructions free?

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

### Is Robot Factory 3D by Tinybop free?

Robot Factory 3D by Tinybop costs $4.99, and also offers in-app purchases.

### Which has better reviews, RSM Assembly Instructions or Robot Factory 3D by Tinybop?

RSM Assembly Instructions is rated higher. RSM Assembly Instructions averages 4.7 out of 5 from 9 ratings, while Robot Factory 3D by Tinybop averages 3.6 from 19 ratings.

### Do RSM Assembly Instructions or Robot Factory 3D by Tinybop have ads?

Neither RSM Assembly Instructions nor Robot Factory 3D by Tinybop shows ads.

### Which is updated more often, RSM Assembly Instructions or Robot Factory 3D by Tinybop?

RSM Assembly Instructions ships an update every 32 months, and Robot Factory 3D by Tinybop every 9 months. Most recently, RSM Assembly Instructions was updated on November 5, 2026 and Robot Factory 3D by Tinybop on November 3, 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.*