Compare Let's Calendar vs. Readdle Calendars

Streamline event calendar management and online registration with Trumba. It's perfect for virtual, in-person or hybrid events. Trumba offers an innovative and highly customizable event calendar platform preferred by colleges and universities, hospitals and health systems, local government, communities and other organizations worldwide. Trumba also offers a HIPAA-compliant solution for hospitals and healthcare organizations and will enter into a BAA with covered entities. Trumba calendars can be easily embedded into your website or published as fully-hosted pages that match your online branding. Attendees can easily find events, subscribe to calendars, register/pay and stay informed of changes. Trumba can integrate with other calendars to provide a one-stop experience for your users and optimize workflows internally. Trumba customers love the ease of implementation services and ongoing customer support. Online demos and free trials are available upon request (no credit card info required).

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.

NewOrg is a robust platform that allows non-profit organizations to integrate information from all areas of their operations. This allows them to better manage clients, volunteers, services, donors, donations and outcome. It also provides the ability to schedule activities, sign-ups, communications, surveys and fundraising activities. NewOrg is a powerful platform that can help you manage your committees, donors, events, and memberships to ensure that your organization runs smoothly.

Tremendous is the easiest way to distribute digital rewards and incentives globally. Tremendous allows you to instantly reward your recipients using gift cards, prepaid Visa®, cards, cash, or other digital rewards. Companies large and small can easily track, buy, and manage incentive programs at scale with us. Tremendous allows customers to send rewards individually or in bulk. Our API also allows customers to integrate with our API and automatically send rewards. We work with top brands around the world to support their specific use cases, such as market research, customer loyalty and health & wellbeing, employee rewards, referrals, etc. Tremendous is completely free to use. There are no platform fees Tremendous is currently the only platform that allows cash disbursements (Bank/ACH, PayPal). Tremendous has the best international coverage (230+ countries and regions). Tremendous has created the best API in the industry

Cloverleaf is an AI-powered coaching platform that turns assessment data, HRIS events, and calendar context into proactive, personalized coaching delivered in Slack, Microsoft Teams, Workday, and email. Cloverleaf is built on trusted behavioral assessments including DISC, CliftonStrengths, and Insights Discovery — with over 10 validated assessments available in one platform. On average, customers reduce assessment spend by 32% while gaining continuous AI-powered coaching from that data. Coaching is tailored to the individual and the specific people they're working with and the context of the moment. Before a difficult 1:1, a cross-functional standup, or a performance review, coaching arrives specific to that meeting, those people, and that interaction. Employees don't need to log into another system or think about what to ask. Cloverleaf anticipates what will be most helpful and delivers it in real time. Organizations align coaching to their own leadership frameworks and competency models, ensuring development reinforces their standards. HRIS integration triggers coaching automatically during promotions, manager changes, team transitions, and performance cycle milestones. First-time managers receive coaching on delegation, feedback, and team dynamics for their specific new team from day one. Talent and HR leaders get visibility into coaching engagement, capability reinforcement, and development trends by team, department, or organization. Development is measured by behaviors being practiced, not just courses completed. Cloverleaf is SOC 2 Type II compliant, GDPR-aligned, and ISO 27001 certified. Trusted by 45,000+ teams across organizations to strengthen manager effectiveness, engagement, and retention. 86% of users report improved team performance.

INTOO, the global career transition and outplacement division of Gi Group Holding, has supported more than 25,000 organizations over the last three decades in helping employees successfully navigate career change. Our award-winning solutions combine personalized, unlimited one-on-one coaching with intuitive digital tools designed to accelerate job searches—helping participants secure new roles 2.5 times faster than the national average while maintaining a 97% satisfaction rate. Serving clients in over 130 countries and 40+ languages, INTOO partners with HR leaders worldwide by delivering scalable support, actionable workforce insights, and a high-touch experience throughout every transition. At INTOO, we’re guided by one simple promise: to care more about your employees, your outcomes, and your success. Our programs include: - Seven-day-a-week access to expert career coaches for support with networking, LinkedIn optimization, personal branding, interview preparation, job search strategy, and more - Personalized resume reviews designed to improve ATS performance and visibility - Live daily webinars led by career experts on a wide range of job search and career development topics - and more

Google Workspace is an all-in-one cloud productivity platform developed by Google to help businesses manage communication, collaboration, document creation, and workflow automation from a centralized environment. The platform combines professional email, cloud storage, video conferencing, document editing, team messaging, scheduling, and AI-powered assistance into one subscription-based ecosystem optimized for modern work environments. Google Workspace includes applications such as Gmail, Google Drive, Google Meet, Docs, Sheets, Slides, Calendar, Chat, Keep, Forms, Sites, NotebookLM, and Gemini AI, enabling teams to work together seamlessly across devices and locations. One of the platform’s core strengths is its built-in AI functionality powered by Gemini, which helps users draft emails, summarize meetings, generate research insights, automate repetitive tasks, and improve productivity using contextual awareness from workplace data. Google Workspace also supports advanced collaboration features including real-time editing, appointment scheduling, eSignatures, document sharing, cloud storage management, and AI-assisted research tools. Businesses benefit from enterprise-grade security features such as AI-powered threat protection, data classification, endpoint management, Data Loss Prevention, secure access controls, and compliance support for enterprise environments. The platform offers scalable pricing plans suitable for startups, small businesses, enterprises, educational institutions, nonprofits, and government organizations. Google Workspace also simplifies data migration and onboarding with built-in migration tools and partner support for transferring emails, files, and business information securely into the cloud.

Smoobu is an all-in-one vacation rental management software that streamlines operations through a centralized Property Management System (PMS). This powerful command center allows for the professional oversight of all short-term rental operations from a single dashboard. By utilizing a high-speed Channel Manager for real-time calendar synchronization across all major booking platforms, Smoobu ensures accurate availability, effectively preventing double bookings and protecting your reputation. To scale your business, the Booking Engine and integrated Website Builder empower you to drive direct bookings and maximize total revenue. Hosts can further automate their workflow with a Guest Communication module that sends personalized messages and provides a digital Guest Guide for an elevated experience. With Dynamic Pricing to optimize nightly rates and detailed Statistics for performance tracking, Smoobu is the ultimate tool for managing everything—from individual apartments to boutique hotels—in one efficient, high-performance hub.

Elevate your business communications with Notifyre's secure SMS and fax solutions. Streamline SMS and faxing processes online, via email, app, or effortlessly integrate through our developer-friendly SMS and fax API. We're ISO 27001 certified and fully HIPAA compliant, giving you the utmost security for your faxes and SMS messages. Notifyre users from flexible pay-as-you-go fax & SMS and outstanding value receive fax plans and 10DLC number plans. 5 Star service guarantee! -Fax Online, Email to Fax, Fax API - Receive Fax Online -> Encrypted Cloud Storage -Online Fax Numbers -Fax Number Porting -Fax Broadcast 40,000+ Utilise the power of SMS messaging in your business, engaging with your audiences via SMS. Send SMS broadcasts or bulk SMS for marketing, promotions, surveys, support, alerts, or notifications all via a user-friendly secure online SMS portal. - 10DLC Virtual SMS Numbers -> Book a Demo for one-on-one guidance! - SMS Online, Email to SMS, SMS API - Mass Text Message Broadcast + SMS Marketing - Subscriber Management - Contact Management, Bulk Upload + Merge Fields + SMS Templates - Appointment Reminders, eCommerce Promo & Cart Reminders, SMS Alerts & Notification & More

Our easy-to-use online booking engine and reservation software will help you increase revenue and streamline your operations. Our cloud-based solutions allow you to optimize the guest experience before, during, and after your stay. Our integrated payment processing makes it easy to train staff and implement automated processes that will improve operations, guest management efforts, and secure payments. - Increase Operational Efficiency - OTA/Google Hotels Connections - Real-Time Rates/Availability Multiple Calendar Options - Upsell Addons and Packages - ADA Search Filters 24/7/365 Support (Phone and Email)