
Detectify
UptimeRobot
Mozilla Observatory
Reeve.page
SimpleBackups
Snyk
Intruder
AppSitter connects to your GitHub repo and checks what nobody can see from outside: row-level security across every migration, keys shipped in the bundle, dependency advisories, email DNS. Every finding comes back as a prompt for your builder.

Convert Case
TextWizHub
Word Counter
TextKit.tech
Text Length Tools
textToolkit.dev
WhiteKit.dev
Free browser-based tools for text manipulation, data cleaning, and spreadsheet tasks. No signup required.
Which is more popular?
Based on our record, TextKit.dev seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | appsitter.app | textkit.dev |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Germany · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


AI builders let anyone ship a real app. Nothing in that workflow tells you when the app is leaking data, or quietly running up a database bill. AppSitter is the watch service for exactly that gap. FREE URL SCAN, NO ACCOUNT Paste your live URL and see what the outside world can already see: API...
No description of TextKit.dev yet.
What each product offers, as listed by its team.


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


No analysis of AppSitter yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using AppSitter and TextKit.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking AppSitter since Aug 2026.
Been building https://textkit.dev/ for the past week. It's a collection of 40 (and growing) tools for text processing, data cleaning, conversions, dev utils etc. Everything runs in the browser and is completely free. Started this partly... - Source: Hacker News / 8 months ago
When comparing AppSitter and TextKit.dev, you can also consider the following products.

Detectify provides a user friendly and thorough web security scan that allows you to focus 100% on web development.
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Instantly convert text to UPPERCASE, lowercase, Title Case, sentence case, and more - free, fast, and no sign-up required.
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Explore 30+ free online text tools for cleaning, converting, and analyzing text. Fast, private, no signup needed. Works entirely in your browser.
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The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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A simple, beautiful word and character counter
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