
Coursera
Free Code Camp
Udemy
Khan Academy
edX
Pluralsight
Treehouse
Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.

Snapchat
Instagram
BeReal
TikTok
WhatsApp
X (Twitter)
NVSTly
Native iOS AI-powered teen social & time-sensitive messaging app. Timer starts on send — not when they open it. Secret Drops, Backroom, Smart Camera to handle messages & switching all media types & AI Remix for prompt-based photo & video remix.

Which is more popular?
Based on our record, Codecademy seems to be more popular. It has been mentioned 113 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codecademy.com | locksy.app |
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| Company | Startup from the United States | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Codecademy yet.
Locksy is a native iOS, AI-powered teen social and messaging platform redefining how Gen Z connects, communicates, and creates. Built around a proprietary dual-sided countdown mechanic — the only app in the market where the timer starts the moment content is sent, not when the recipient opens it...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Should You Sign Up For CodeCademy?!
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codecademy and Locksy.
Locksy's answer:
Locksy is the only app where the countdown starts the moment content is sent — not when the recipient opens it. This dual-sided, send-triggered countdown mechanic runs simultaneously for both sender and recipient, creating a live shared event that vanishes forever if not unlocked in time. No other social or messaging app has shipped this mechanic. Combined with a single-tap multimedia switching Smart Camera, private ephemeral Backroom rooms, a dynamic school discovery system, and Locksy AI Remix — a native prompt-based photo and video transformation layer built directly into the Drop flow — Locksy represents a fundamentally different architecture for teen social communication.
Locksy's answer:
Most social apps are built for permanence — feeds, archives, and content that lives forever. Locksy is built for moments. Unlike Snapchat, Instagram, or BeReal, Locksy's timer starts the second content is sent rather than when it is opened, making every message a live, urgent, shared experience rather than a passive notification. Friends don't need the app to receive a Secret Drop. Backroom spaces are themselves ephemeral — the room vanishes, not just the content. And Locksy AI Remix transforms any photo or video clip with a free-text prompt natively inside the Drop flow, with no preset filters or templates. Locksy is free always, available exclusively in the United States, and built natively on iOS.
Locksy's answer:
Locksy's primary audience is Gen Z teens aged 13 to 18 in the United States. The platform is specifically designed for the generation that has grown up on social media and is actively moving away from public feeds, permanent content, and performative posting toward private, intimate, real-time communication with close friends. Locksy's school discovery system allows users to find and connect with their real-world circle by school, grade, and class, reinforcing its focus on genuine peer connection rather than follower counts or public audiences.
Locksy's answer:
Locksy was built on a single observation: the foundational mechanic of every major social app — the timer starting when someone opens a message — creates the illusion of urgency without the reality of it. Locksy's founders set out to fix the actual mechanic. By starting the countdown the moment content is sent, running simultaneously for both sides regardless of when the recipient opens the app, Locksy turns every message into a genuinely live, shared event. Built natively in Swift by a powerhouse team headquartered in the heart of Silicon Valley, Locksy launched exclusively in the United States and has since shipped Secret Drops, Backroom ephemeral rooms, the Locksy Smart Camera, and Locksy AI Remix — the first native AI creative layer built directly into a social app's core Drop flow.
Locksy's answer:
Locksy is built natively in Swift using Xcode, running exclusively on iOS and leveraging Apple's native frameworks throughout. The platform is engineered for speed — every component of the experience, including Locksy AI Remix, is designed to operate fast enough to keep pace with a live countdown mechanic. Locksy AI Remix supports both photo and video clip transformation through a free-text prompt interface, with no preset filters or templates required. Voice prompt input is also supported, allowing users to describe their transformation by speaking rather than typing.
Locksy's answer:
Locksy's primary users are teenagers aged 13 to 18 across the United States, with particular traction among high school students who use the platform to communicate within their existing real-world social circles. The school discovery system allows students to connect by school, grade, and class, meaning Locksy's user base is naturally organized around real institutions rather than algorithmic networks. As a consumer social platform, Locksy does not publish individual user or institutional data.
Share your experience with using Codecademy and Locksy. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codecademy emphasizes programming and helps users understand coding with hands-on practical projects. It is a beginner-friendly platform offering 15 programming languages in more than 20 categories. Codecademy...
Comparing all the features, pros, cons, and pricing of these Treehouse alternatives, Codecademy turns out to be ideal for coding learners. This online platform offers courses for beginners, intermediates, and advanced...
Community support: Students at Code Academy are part of a tight-knit community where they may interact with instructors, classmates, and subject matter experts alike.
One of the few apps that actually feels thoughtfully designed instead of feature-packed.
Locksy solves a problem every teen feels but nobody had fixed — the moment you send something, the clock should already be ticking for both of you, not just when they decide to open it. That single mechanic changes...
Recommendations tracked on public social media and blogs since March 2021.


However, a little research was enough to dispel that misconception. Yes, there was a technical aspect to programming, but most developers weren't doing complex calculations all the time. So, my preconceptions faded away and turned into... - Source: dev.to / about 2 years ago
Codecademy is a freemium platform with high-quality content. Their courses range from web development to data science, and are interactive and text-based. - Source: dev.to / over 2 years ago
If you really have decided to become the next Guru on Scratch then you should learn at least one real programming language like JavaScript. I found this JavaScript course very useful: https://learnjavascript.online/. You can also learn... - Source: dev.to / about 3 years ago
Tracking Locksy since Jul 2026.
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