
bolt.new
VS Code
Sublime Text
Cursor
Microsoft Visual Studio
WebStorm
Android Studio
Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.

Redis
LiveCode Platform
MongoDB
CouchBase
Azure Cosmos DB
ESM Tools
OrientDB
4D is a relational database management system and IDE.
Which is more popular?
Based on our record, replit seems to be more popular. It has been mentioned 652 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | replit.com | us.4d.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Repl.it SciTech Talk | MIT Arab SciTech 2019
More videos
1 Month AFTER Wearing adidas FUTURECRAFT 4D! PROS & CONS!
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using replit and 4D. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The best Base44 alternatives in 2026 are Lovable (best design), Bolt.new (most generous free tokens), Replit (best if you can code), Emergent (agent-driven full-stack builds), Bubble (mature visual no-code), Softr...
Replit’s environment also includes AI-powered tools to help with code suggestions and bug fixes, making it useful for beginners and advanced programmers alike. With Replit, you can start coding instantly without...
Replit’s Ghostwriter is used in browser-based coding environments where simplicity and instant collaboration matter most. It’s a natural fit for education, prototyping, or remote work where installation isn’t...
We have no reviews of 4D yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


This is one of the strangest side effects of AI-assisted development becoming mainstream. Tools such as Lovable, v0, Bolt, Base44, Google AI Studio, Replit, and Claude can take a plain-language description and turn it into a working... - Source: dev.to / about 2 months ago
Replit is closer to an AI development environment than a traditional frontend generator. - Source: dev.to / 3 months ago
• Memory leak? Folder hits 5% → SOLIDIFIES → delete clean Code: https://replit.com/@clydetosspon/tripleos [after you make Replit] Neuromorphic chip makers: this matches your spike physics perfectly (0W idle) Full story in comments. AMA! - Source: Hacker News / 7 months ago
Tracking 4D since Mar 2021.
When comparing replit and 4D, you can also consider the following products.


Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Compare Redis to replit or 4D:

Build and debug modern web and cloud applications, by Microsoft
Compare VS Code to replit or 4D:

It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make...
Compare LiveCode Platform to replit or 4D:

Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
Compare Sublime Text to replit or 4D:

MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Compare MongoDB to replit or 4D: