daybyday.app

What It Is

DayByDay positions itself as a “text-based habit tracker.” Its core experience is not opening an app to check in, but receiving a daily SMS message and replying in natural language. The system then uses AI to understand the response and record progress. It is suitable for tracking habits such as exercise, water intake, journaling, and meditation, and supports actions, numeric metrics, and open-ended reflection.

Core Features and Experience

The product flow is lightweight: users first choose the habit they want to track, then set the time of day they want to receive the SMS. After receiving the message, they can reply with things like “yes,” “5 miles,” or “feeling great,” and the AI parses the meaning. A web dashboard provides streaks, trends, metrics, and color-coded views to help users observe long-term patterns. Compared with traditional habit apps, its advantage is reducing the friction of downloading, opening, and navigating an app—especially for people who often forget to open one.

Pricing and Support

The page only shows “Start for Free” and does not disclose the free allowance, trial duration, paid plans, or pricing. The SMS terms indicate that daily journaling frequency is about 1–2 messages, and carrier messaging and data fees may apply. For support, users can reply HELP or contact [email protected]; to unsubscribe, they can reply STOP.

Security, Collaboration, and Integrations

DayByDay states that users own their data and says it does not sell user information, which is a basic privacy commitment. However, the page does not provide details on encryption, data residency, compliance certifications, or audit capabilities. There is also no visible support for team collaboration, member permissions, third-party integrations, APIs, or developer tools, so it looks more like a personal productivity tool than an enterprise-grade collaborative SaaS product.

Pros, Cons, and Best Fit

Its strengths are a low barrier to entry, no app requirement, natural reply formats, scheduled SMS reminders, and visual trend tracking. Its weaknesses are opaque pricing, reliance on SMS, and the fact that the current text only mentions compatibility with major US carriers such as AT&T, T-Mobile, and Verizon, leaving international availability unclear. It is best suited to individual users who value low-friction check-ins, and less suitable for organizations that need team management, enterprise compliance, or automation integrations.

Access from China and Alternatives

Availability of the website and SMS service in mainland China cannot be confirmed from the page. Because the product relies heavily on US phone numbers and compatibility with US carriers, Chinese users may face uncertainty around phone number reception, SMS fees, and network access. Alternatives to consider include Habitify, Streaks, TickTick’s habit features, or reminder/check-in workflows in WeChat, Feishu, and DingTalk.