Comparison

Math vs R+ m.Design (ROBOTIS)

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

Head to head
About

Math

This app provides a virtual collection of math manipulatives, mirroring the physical tools used with a specific math curriculum. It helps illustrate a wide range of mathematical concepts from basic numbers to algebraic expressions.

Highlights
  • Virtual math manipulatives
  • Illustrates numbers and operations
  • Teaches fractions and decimals
  • Covers integers and algebraic expressions
  • Supports Math-U-See curriculum
Features
Read full description

Math-U-See® Manipulatives is a virtual version of the physical manipulatives designed to be used with the Math-U-See® curriculum. They are used to illustrate a full range of mathematical concepts, including numbers, operations, fractions, decimals, integers, and algebraic expressions (levels Primer through Algebra 1).

About

R+ m.Design (ROBOTIS)

This app provides interactive 3D animation assembly manuals for robot kits. Users can preview assembly steps and complete robot construction without traditional manuals. It includes a wide variety of example projects across different robot series.

Highlights
  • 3D animation assembly manuals
  • Step-by-step assembly previews
  • Interactive touch controls
  • Complete robot assembly guides
  • Extensive example project library
Features
Read full description

R+ m.Design is a 3D based assembly player provided by ROBOTIS a robot solution company. [ Main Features ] 1. Provides 3D animation assembly manuals 2. Checks Assembly steps before getting started 3. Supports touch, drag, expand, and rotation functions 4. Complete robot assembly without a manual [ Examples Included ] *PLAY -21 examples *IDEAS - 77 examples *OLLO - 48 examples *BIOLOID Premium - 29 examples *BIOLOID STEM - 16 examples *DREAM - 47 examples *SMART - 19 examples *SMART2 - 18 examples *ROBOTIS-MINI *Other contents to be uploaded [ Minimum requirements ] iPhone 4S, iPod 5G, iPad mini, iPad 2

Screenshots

Math3 screens
R+ m.Design (ROBOTIS)4 screens

Verdict

The call

The clearest difference is price: R+ m.Design (ROBOTIS) at Free against Math's $9.99. R+ m.Design (ROBOTIS) also leads on update cadence (every 4 months vs every 26 months) and iOS requirement (8.0 vs 11.0). Math's advantage is rating (3.1 vs 2.5) and review sentiment (38% vs 0%). On ads, in-app purchases, monetization model and device support 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

R+ m.Design (ROBOTIS) is free to download; Math costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Math holds the better App Store score, 3.1 against 2.5. That said, the two scores are not equally well evidenced: Math has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 38% of Math's written reviews are positive against 0% of R+ m.Design (ROBOTIS)'s.

UpkeepUpdate frequency

Math ships an update every 26 months, R+ m.Design (ROBOTIS) every 4 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
Math versus R+ m.Design (ROBOTIS): the parameters behind the verdict, then further details
ParameterMathR+ m.Design (ROBOTIS)
Price$9.99Free — better
Rating3.1 (28 ratings) — better2.5 (4 ratings)
Positive reviews38.5% of reviews — better0.0% of reviews
Number of ratings28 — better4
Update frequencyEvery 26 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.08.0 — better
Further details — not scored
Size21 MB201 MB
Age rating4+4+
DeveloperDemme LearningROBOTIS CO., LTD.

Customer experience

Math

All ratings28 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews26 reviews
Positive38.5%
Neutral19.2%
Negative42.3%

R+ m.Design (ROBOTIS)

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Math

No in-app purchases

None

R+ m.Design (ROBOTIS)

No in-app purchases

Questions

Is Math free?
Math costs $9.99, with no in-app purchases.
Is R+ m.Design (ROBOTIS) free?
R+ m.Design (ROBOTIS) is free to download, with no in-app purchases.
Which has better reviews, Math or R+ m.Design (ROBOTIS)?
Math is rated higher. Math averages 3.1 out of 5 from 28 ratings, while R+ m.Design (ROBOTIS) averages 2.5 from 4 ratings.
Do Math or R+ m.Design (ROBOTIS) have ads?
Neither Math nor R+ m.Design (ROBOTIS) shows ads.
Which is updated more often, Math or R+ m.Design (ROBOTIS)?
Math ships an update every 26 months, and R+ m.Design (ROBOTIS) every 4 months. Most recently, Math was updated on October 15, 2026 and R+ m.Design (ROBOTIS) on October 16, 2026.

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