EdScratch

EdScratch is a visual programming environment for building programs for Edison robots. It is best suited to learners aged 10 and up and educators who want a free, robot-focused introduction to coding. Its classroom resources and built-in warnings are useful strengths, but it requires an internet connection and presents its interface in English only.

Overview

EdScratch uses vertical, drag-and-drop blocks based on Scratch to program Edison V1, V2 and V3 robots. Students can control robot inputs, manipulate data and use variables without starting with typed code. That narrow focus is an advantage when lessons are centered on Edison hardware, but it makes EdScratch a poor fit for learners seeking a general-purpose programming environment.

Variable names can use English letters, numbers and underscores, but cannot begin with a number. Programs can be saved to a computer and loaded back into the online app, a practical way to keep work between sessions. Because the app still requires an internet connection, saved files do not make it an offline tool.

Key features

Nine block categories cover drive, LEDs, sound, data, events, control, sensing, operators and comments. The mix links programming to robot movement and sensing while introducing ways to organize instructions and work with data. The built-in bug box checks programs and displays red or yellow warnings, giving novice coders prompts to review; it should not be mistaken for a guarantee that every problem will be identified or fixed.

The free teaching set includes 98 student activity options arranged across six units, along with a teacher’s guide. That gives educators a substantial starting point for structuring lessons, rather than leaving them to devise every activity themselves. Lesson resources are available in multiple languages, though the application interface currently displays only English.

EdScratch supports Edison V2 and V3 in its current robot versions, while the maker also describes programming instructions for V1. V3 can receive programs over USB from a computer or by optical flashing from an iPad; V1 and V2 use the EdComm cable. The V3 USB route uses WebUSB, supported by Chrome and Edge but not Firefox or Safari, so browser choice matters for computer-based programming.

Pricing

EdScratch costs nothing. The free plan provides browser access for use with an Edison robot and requires no additional software. There is no paid tier or free trial to weigh against it; the main cost consideration is having compatible Edison hardware. Its free lesson set and teacher’s guide strengthen its appeal to schools and families already using those robots.

Platforms

EdScratch runs in a web browser and is usable on Windows, macOS, iPadOS and Android. It is not an offline or downloadable application, and dedicated mobile apps are not currently in development. The maker lists Chrome, Edge and Opera for V3 computer use, and Chrome, Firefox, Safari, Edge and Opera for V3 iPad and V1/V2. In practice, the broader browser list does not remove the Chrome-or-Edge requirement for V3 USB programming.

Who it's for

EdScratch is a good match for students aged 10 and up, including beginners, when the learning goal is to program an Edison robot through visual blocks. Educators get a ready-made pool of 98 activities, six units and a teacher’s guide. It is less suitable for settings that need offline access, an interface in a language other than English, or a coding tool not tied to Edison robots.

Pros and cons

• Pro: Nine robot-oriented block categories let beginners connect code to drive, lights, sound and sensing without starting with text-based programming.
• Pro: The free 98-option activity set, six-unit structure and teacher’s guide give educators material for planning lessons.
• Pro: Saving and reloading program files on a computer helps preserve work between sessions.
• Con: An internet connection is required, so EdScratch cannot serve classrooms that need offline programming.
• Con: The English-only interface may be a barrier even though lesson resources are available in multiple languages.
• Con: V3 USB programming depends on Chrome or Edge, which constrains otherwise supported browser setups.

Alternatives

Browse robotics education software for more tools in the category. Choose mBlock instead if you want a free platform that includes both block-based and Python coding plus AI and IoT features. PictoBlox is worth considering for individuals using it for non-commercial purposes; commercial use requires contacting its maker. Pick FinchBlox when you want its free coding option, or Ozobot Classroom for a free educator account with 700 lessons and a teacher-focused portal. ROBO Pro Coding may suit users who want a free app download with local and cloud program saving. Rocksi is another free option. Choose Sphero Edu if you have a compatible Sphero robot and want free app or web access, or Thymio Suite if you want free desktop software for a Thymio robot.

Verdict

Choose EdScratch for a free, structured entry into programming Edison robots, especially when its classroom activities and teacher’s guide will be put to use. Look elsewhere if internet access, an English-only interface or the Edison-specific focus does not fit your learners or setup.