Comparison

MERS.HK vs Robo Wunderkind

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

Head to head
About

MERS.HK

This app provides students and teachers with an optimized experience for accessing and interacting with e-learning resources. Users can annotate screenshots, seamlessly connect with other educational tools, and enjoy a locked rotation for comfortable viewing.

Highlights
  • Optimized viewing and access to e-learning resources
  • Screenshot annotation and sharing
  • Seamless integration with other MERS apps
  • Automatic rotation lock for comfortable use
  • Designed for MERS e-Learning in Schools partners
Read full description

MERS.HK MERS.HK is aiming to give students and teachers the best possible user experience designed for optimal use of the e-learning resources developed by Modern Educational Research Society, Ltd (MERS). Features: ‧ Provides students and teachers with the best viewing and accessing results when they use MERS resources. ‧ Allows users to take a screenshot on which they can make notes, draw or write remarks. Screenshots can be uploaded to Camera Roll or Share to other Apps. ‧ e-Learning activities are seamlessly connected to other apps developed by MERS for effective learning. ‧ Rotation is automatically locked, in line with the content and interface design of the materials for best viewing. * Only available for e-Learning in Schools partners of MERS.

About

Robo Wunderkind

Build and program robots using colorful blocks and an intuitive app. Explore three coding difficulty levels and interactive tutorials to bring your creations to life. No prior coding experience is necessary to start learning STEM concepts through play.

Highlights
  • Build robots with colorful blocks
  • Code and control creations
  • Three programming difficulty levels
  • 19 interactive STEM tutorials
  • Offline play capability
  • Icon-based and Scratch-like coding modes
Features
Read full description

Build robots with colorful Robo Wunderkind building blocks, then code and control your creations in this app to bring them to life. Unlock your creative genius through coding and playing with Robo Wunderkind! Our newest app comes with three programming difficulty levels and 19 interactive tutorials, which transform learning about STEM and technology into a fun game. No previous coding knowledge is required! ≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈ Choose between three coding modes to control & program your inventions: ‘Live’ is the level that allows you to control your robots through a digital remote. Learn the core functions of building blocks by controlling them in this mode. ‘Code’ is the level that will introduce you to programming in no time. Based on colorful icons and images, this mode will introduce you to the basic elements of coding such as If-then statements, Loops, Decision trees, and more. ‘Blockly’ is the most advanced programming level, based on the Scratch interface. The block-based programming environment allows learning complex concepts like Variables, Functions, Operators, and Input-output mapping. With 19 free in-app tutorials, as well as more than 30 free step-by-step projects on our website, you will always be stocked up on ideas on what to create next. Follow the tutorials to recreate amazing robots, or use them for inspiration and create your own inventions. ≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈ Get to know our Robo Wunderkind App: BUILD YOUR ROBOT. Use colorful Robo Wunderkind blocks like lights, motors, displays, sensors, and building parts to create your inventions. Use anything crafty you have at home to customize them or attach your favorite bricks. CREATE ANYTHING YOU CAN IMAGINE. Let that creativity run wild! Connect your robot to the app, learn to use it with our tutorials, and bring your creations to life with code. Choose the level you like or progress through modes as you advance your coding and creativity skills. NO INTERNET CONNECTION NEEDED. Have fun anytime and anywhere you are. Whether at a friend's house, your grandparents', or at home. You don't need an internet connection to play with your robots. FREE TO DOWNLOAD. Robo Wunderkind App is free to download and play. But no fun without a Robo Wunderkind kit, hence make sure to have one close. ≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈ # As seen on Wired, The Guardian, TechCrunch, Vox, 9to5Mac. # Certified by Education Alliance Finland as a robotics kit with outstanding educational impact. ≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈ What media says about us: “Robo Wunderkind is the perfect STEM tool” - 9to5Mac “Robo Wunderkind is easy to use, simple to build, and masterfully engaging”- MakeUseOf “This is an impossibly clever robotic building-block system. More versatile than most coding kits, it'll secretly stimulate math, logic and creative thinking.” - Stuff magazine ≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈ REQUIREMENTS: - Any Bluetooth 4.0/BLE-enabled device - A Robo Wunderkind robotics kit

Screenshots

Robo Wunderkind4 screens

Verdict

The call

The clearest difference is monetization model: MERS.HK at free against Robo Wunderkind's free with in-app purchases. MERS.HK also leads on iOS requirement (10.0 vs 15.0). Robo Wunderkind's advantage is update cadence (every 2 months vs every 5 months) and device support (4 vs 1). On price, review sentiment, ads and in-app purchases 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.

UpkeepUpdate frequency

MERS.HK ships an update every 5 months, Robo Wunderkind every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
MERS.HK versus Robo Wunderkind: the parameters behind the verdict, then further details
ParameterMERS.HKRobo Wunderkind
PriceFreeFree
Rating—3.7 (6 ratings) — better
Positive reviews40.0% of reviews40.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS10.0 — better15.0
Further details — not scored
Size2 MB295 MB
Age rating4+4+
DeveloperModern Educational Research Society, LTDRobo Wunderkind, Inc.

Customer experience

MERS.HK

Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Robo Wunderkind

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

MERS.HK

No in-app purchases

None

Robo Wunderkind

No in-app purchases

Questions

Is MERS.HK free?
MERS.HK is free to download, with no in-app purchases.
Is Robo Wunderkind free?
Robo Wunderkind is free to download, with no in-app purchases.
Do MERS.HK or Robo Wunderkind have ads?
Neither MERS.HK nor Robo Wunderkind shows ads.
Which is updated more often, MERS.HK or Robo Wunderkind?
MERS.HK ships an update every 5 months, and Robo Wunderkind every 2 months. Most recently, MERS.HK was updated on November 1, 2026 and Robo Wunderkind on November 3, 2026.

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