CodeKitHub VS Screenwise App

CodeKitHub's answer

• No sign-up, no upload — every tool runs entirely in your browser via JavaScript. Nothing you paste, type or upload ever touches a server, which matters for anything sensitive (passwords, personal photos, private notes).
• No daily usage caps — most competing free tool sites throttle you after a few uses per day or push you toward a paid tier. CodeKitHub doesn't.
• 13 languages — most free tool aggregators are English-only; CodeKitHub covers English, Spanish, French, German, Japanese, Korean, Chinese and more.
• 120+ tools in one place — JSON formatting, encoding/decoding, image and PDF conversion, QR codes, unit/date calculators, and more, without bouncing between a dozen single-purpose sites.

Screenwise App's answer:

Screenwise turns screen time into something children earn through learning. Instead of only blocking apps, it helps parents reduce screen time arguments while giving children regular practice in times tables, MTC, and 11+ maths.

CodeKitHub's answer

Compared to single-purpose sites like JSONFormatter.org or CodeBeautify that only handle one task, CodeKitHub covers the same ground plus image, PDF, QR, and calculator tools in one place — useful if you regularly switch between different tool types during a workday.

Unlike FreeFormatter (which recently shut down its service), CodeKitHub's tools require no backend at all — everything runs as static, client-side JavaScript, so there's no server cost pressure driving ads, paywalls, or future shutdowns of the kind that killed similar sites.

If you need a tool site in a language other than English — Spanish, French, German, Japanese, Korean, Chinese, and others — CodeKitHub is one of the few free tool sites that actually localizes the full interface rather than just running it through machine translation on top of an English-only tool.

Screenwise App's answer:

Most parental control apps only restrict access. Screenwise adds a clear learning incentive, so children work towards screen time by practicing maths. That makes it useful for parents who want less conflict, better habits, and real educational value from the same app.

CodeKitHub's answer

CodeKitHub serves two overlapping groups:

• Developers who need a quick JSON formatter, Base64/URL encoder, hash generator, or regex tester without installing a CLI tool or opening a full IDE — the kind of task that comes up mid-workflow and just needs a fast, no-friction answer.
• Everyday users handling one-off tasks like compressing a photo before uploading it somewhere, generating a QR code, converting units, or running a quick date/percentage calculation — people who don't want to install an app or sign up for an account just to do something once.

Traffic data shows both groups in practice: technical tools (QR generator/decoder, Base64 encoder, JSON tools) draw developer-heavy referral sources like Hacker News and ChatGPT, alongside broader organic search traffic for everyday utility tasks.

Screenwise App's answer:

Screenwise is mainly for parents of primary school children in the UK who want to manage screen time while helping their children improve multiplication, prepare for the MTC, and build stronger maths habits.

CodeKitHub's answer

CodeKitHub started as a small set of browser-based developer utilities and grew into a 120+ tool collection covering JSON formatting, encoding, image/PDF processing, calculators and more. The core principle from the start was that every tool should run entirely client-side — no backend, no data leaving the user's browser — which keeps the tools fast, private, and cheap enough to run without ads getting in the way. The site has since expanded to 13 languages to serve users beyond English-speaking markets.

Screenwise App's answer:

Screenwise was created to solve two common parent frustrations at once: too much screen time and the daily struggle to get children to practice maths. The idea was simple: connect screen time to learning, so children stay motivated and parents spend less time negotiating.

CodeKitHub's answer

• Astro — static-site framework, used to generate all tool pages and handle the multi-language routing (13 locales)
• Vanilla JavaScript/TypeScript — every tool's actual logic runs client-side, no backend or API calls involved
• Cloudflare Pages — static hosting and deployment
• Google Analytics 4 — the only external service the site talks to, for traffic analytics

Screenwise App's answer:

Use this only if accurate: Screenwise is built as an Android app with modern mobile technology, focused on reliable parental controls, app usage management, and a simple learning experience for families.

Screenwise App's answer:

Screenwise is primarily used by families who want to manage screen time while encouraging children to practice maths. It can also be adapted for educational settings where teachers want to motivate students with short multiplication practice.

Families with primary school children

Parents supporting times tables learning at home

Families preparing for the UK Multiplication Tables Check (MTC)

Students preparing for 11+ maths exams

Teachers and classrooms using multiplication practice activities