# Build i vs RSM Assembly Instructions

The clearest difference is rating: RSM Assembly Instructions at 4.7 against Build i's 3.7. RSM Assembly Instructions also leads on ratings volume (9 vs 3). Build i's advantage is update cadence (every 2 months vs every 32 months) and iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RSM Assembly Instructions holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 3 and 9 respectively.

Build i ships an update every 2 months, RSM Assembly Instructions every 32 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Build i | RSM Assembly Instructions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/build-i-bot/id1319079814/reviews) | **[4.7 (9 ratings)](https://appshunter.io/ios/app/rsm-assembly-instructions/id1439769406/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 32 months |
| Monetization | Free | Free |
| Size | 31 MB | 285 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beta Software Technologies Co., Ltd](https://appshunter.io/developer/440648438) | [Franckh-Kosmos Verlags GmbH & Co. KG](https://appshunter.io/developer/375309682) |

## What reviewers say

### Build i

[App page](https://appshunter.io/ios/app/build-i-bot/id1319079814)

This app introduces users to robotics through a flexible kit that can be transformed into six different configurations. It offers a proven STEM education experience, designed to interact with the robot and build user confidence. The smart components are simple and easy to connect for a smooth assembly process.

**Highlights:** Learn robotics basics, Flexible robot kit with 6 configurations, Proven STEM education, Interactive smart app, Simple component assembly

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Build i free?

Build i is free to download, with no in-app purchases.

### Is RSM Assembly Instructions free?

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

### Which has better reviews, Build i or RSM Assembly Instructions?

RSM Assembly Instructions is rated higher. Build i averages 3.7 out of 5 from 3 ratings, while RSM Assembly Instructions averages 4.7 from 9 ratings.

### Do Build i or RSM Assembly Instructions have ads?

Neither Build i nor RSM Assembly Instructions shows ads.

### Which is updated more often, Build i or RSM Assembly Instructions?

Build i ships an update every 2 months, and RSM Assembly Instructions every 32 months. Most recently, Build i was updated on October 24, 2026 and RSM Assembly Instructions 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.*