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Freedom.to
SelfControl
FocusMe
LeechBlock
Opal.so
Forest App
New Tab page that gives you a moment of calm and inspires you to be more productive.

Jasper.ai
Notion AI Content Generator
Otter.ai
AISentenceGenerator.net
MUSET AI
RubgyGPT.ai
Text Assistant
AI text editor with voice-to-text dictation, custom agent pipelines, and an AI copilot. Use every major model through one connection, run private local models, or bring your own API keys at cost. Free to start.

Which is more popular?
Based on our record, Focus App seems to be more popular. It has been mentioned 24 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | heyfocus.com | rontgen.app |
| Pricing | ||
| Company | Startup from the United States | Startup from Brazil · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Focus App yet.
RONTGEN is an AI-integrated text editor. Instead of a chatbot, it's a full rich-text editor (a paginated document, like a word processor) with AI built into the writing surface — for people who write or dictate documents regularly across medical, legal, academic, and content work. Core...
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.
Focus - Movie Review
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Focus App and RONTGEN.
RONTGEN's answer:
"Currently in closed beta with early adopters from the medical and content creation fields."
RONTGEN's answer:
Next.js, TipTap, Tailwind CSS, and shadcn/ui on the frontend. Django, Django REST Framework, LangChain, and PostgreSQL on the backend.
RONTGEN's answer:
Built by a neuroradiologist who needed a faster way to write radiology reports. Existing tools were either chatbots or lacked voice transcription integration. RONTGEN was created to solve this problem and evolved into a general-purpose AI writing editor for anyone.
RONTGEN's answer:
Full control over prompts, models, and providers — no black boxes. One OpenRouter key unlocks 200+ models with no markup. Voice transcription is built into the editor, not a separate tool. Agent pipelines automate repetitive writing tasks that other editors require manually.
RONTGEN's answer:
Professionals who write frequently and want to integrate AI into their workflow — doctors writing reports, content creators, researchers, copywriters, and anyone who dictates and edits text regularly.
RONTGEN's answer:
Unlike chatbot-based AI tools, RONTGEN is a full rich text editor where you build custom agent pipelines — chain multiple AI steps (transcribe → refine → structure → conclude) and run them with one click. Combined with BYOK support for 10+ providers and built-in voice transcription, you own your entire writing workflow.
Share your experience with using Focus App and RONTGEN. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I've been having success with the HeyFocus app, version 1.x, which is available on Setapp. Source: almost 3 years ago
Apps I have tried and are not enough: - https://heyfocus.com/ - https://freedom.to/ - https://selfcontrolapp.com/ - https://www.forestapp.cc/ - https://www.rescuetime.com/. Source: almost 3 years ago
There are plenty of apps and organizational systems that will help you remember future tasks and reduce distractions. For example, Focus blocks distractions and schedules your breaks and Freedom will block distractions on all of your... - Source: dev.to / about 3 years ago
Tracking RONTGEN since Feb 2026.
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