Comparison

Build i vs RSM Assembly Instructions

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Build i

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
Read full description

• Perfect for beginning to learn robotic • Flexible Robot Kit; This robotics kit can be transform into 6 different features. • Proven STEM education: the robot smart app is developed to interact with the robot to provide latest experiences while allowing for encouraging confident’s expericnce • Simple Assembly : iBot’ smart components are simple and easy to connect

About

RSM Assembly Instructions

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
Read full description

For use with the engineering kits “Robotics: Smart Machines – Tracks & Treads Edition” by Thames & Kosmos This app is the “manual” of the assembly instructions for the robotic models you build with the Robotics: Smart Machines – Tracks and treads. App Features • View step by step instructions that teaches you, how to build the models ***** Questions or suggestions for improvements: Mail to apps@kosmos.de We are looking forward to your feedback! *****

Screenshots

Build i4 screens
RSM Assembly Instructions3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
Build i versus RSM Assembly Instructions: the parameters behind the verdict, then further details
ParameterBuild iRSM Assembly Instructions
PriceFreeFree
Rating3.7 (3 ratings)4.7 (9 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings39 — better
Update frequencyEvery 2 months — betterEvery 32 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size31 MB285 MB
Age rating4+4+
DeveloperBeta Software Technologies Co., LtdFranckh-Kosmos Verlags GmbH & Co. KG

Customer experience

Build i

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

RSM Assembly Instructions

All ratings9 ratings
Positive88.9%
Neutral11.1%
Negative0.0%

In-app purchases

None

Build i

No in-app purchases

None

RSM Assembly Instructions

No in-app purchases

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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