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CheckIn More is a daily check-in app for safety and peace of mind. Scheduled check-ins with instant text alerts keep your loved ones informed.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
Website, pricing, platforms and company facts side by side.
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| Website | checkinmore.com | diffyn.com |
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| Company | Startup from the United States · 1 - 9 employees · 2025 | — |
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In their own words, as submitted to SaaSHub.


CheckIn More is a daily check-in app for people living alone and the families who care about them. Set a check-in schedule that fits your routine, get a reminder when it's time, and check in with a single tap. If a check-in is missed, your designated contacts are automatically notified — by...
No description of Diffyn yet.
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing CheckIn More and Diffyn.
CheckIn More's answer
CheckIn More gives users more control than any comparable app — customizable check-in schedules by day of week, adjustable response windows, multiple check-in methods including mood status and assistance requests, and per-contact notification preferences. Contacts receive alerts by email, text, or phone call without needing to download an app or create an account. It's also one of the few check-in apps built and supported directly by its founders.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
CheckIn More's answer
CheckIn More offers more flexibility at a lower price point than most alternatives. Where competitors often limit users to a single daily check-in at a fixed time, CheckIn More allows unlimited check-ins, custom schedules, and adjustable response windows. The ability to share mood status — not just confirm you're okay — gives families a fuller picture of how their loved one is actually doing.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
CheckIn More's answer
CheckIn More is a native mobile application available on iOS and Android, with automated notifications delivered via email, SMS, and phone call infrastructure.
Diffyn's answer:
React, Next.js, POSTGRESQL
CheckIn More's answer
CheckIn More is built for anyone living alone who wants a simple daily safety net, and the families and caregivers who care about them. This includes seniors living independently, women living alone, young adults who have recently moved out, and individuals recovering from surgery or managing ongoing health conditions.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
CheckIn More's answer
CheckIn More was built by a husband-and-wife team who saw a growing gap between seniors who were too independent for assisted living and families who worried about them living alone. Daily check-up calls felt like an obligation on both sides — so they built an app to automate the safety net, free up the relationship, and make sure no one ever had to wonder if their loved one was okay.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
CheckIn More's answer
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Daily check-in service for your aging parents. Peace of mind for you and your parents even if they're living on their own.
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