RealBodyFat VS https://open-gpt.app/

• Convenient at-home use
  RealBodyFat allows users to estimate body fat percentage from photos or measurements without needing to visit a clinic or purchase expensive equipment like DEXA scanners or calipers, making it accessible for regular self-monitoring.
• Affordable alternative
  Compared to professional body composition analysis methods such as DEXA scans, hydrostatic weighing, or BodPod testing, this type of service typically costs significantly less, making body fat tracking more budget-friendly.
• Progress tracking over time
  Users can take periodic measurements or photos to track changes in body fat percentage over time, which can be motivating for fitness and weight loss goals.
• Quick and easy process
  The assessment process is generally fast, often just requiring a few photos or basic inputs, providing quick feedback without lengthy appointments or procedures.
• No specialized equipment needed
  Unlike calipers or bioelectrical impedance scales, users typically just need a smartphone camera or basic measurements, removing the need to purchase additional tools.

• Accessible AI Chat Interface
  Provides a user-friendly web-based interface for interacting with GPT-based AI models without needing to set up API access or coding knowledge.
• No Installation Required
  Being a web application, it can be used directly from a browser without downloading or installing any software.
• Potentially Free or Low-Cost Access
  Many GPT wrapper sites like this offer free tiers or lower-cost access compared to official API pricing, making AI chat more accessible to casual users.
• Quick Setup
  Users can typically start chatting almost immediately after visiting the site, with minimal account creation or configuration steps.
• Cross-Platform Compatibility
  Since it runs in a browser, it can be accessed from various devices including desktops, tablets, and smartphones without platform-specific versions.

Possible disadvantages

• Uncertain Reliability
  Third-party GPT wrapper websites often depend on underlying API access that can be unstable, rate-limited, or discontinued without notice, affecting consistent availability.
• Data Privacy Concerns
  Using an unofficial third-party service to process conversations raises questions about how user data and conversation history are stored, used, or shared.
• Limited Transparency
  It may be unclear which underlying AI model version is being used, how up-to-date it is, or what modifications have been made to the base model's behavior.
• Potential Hidden Costs or Ads
  Free-to-use AI wrapper sites often monetize through ads, premium upsells, or data collection, which may not be clearly disclosed to users upfront.
• Lack of Official Support
  Unlike official AI platforms, unofficial wrapper sites may lack dedicated customer support, regular updates, or accountability if issues arise.

No analysis of RealBodyFat yet.

• Body fat from one photo — analyzed once, then deleted. Here's how I built it.

  I kept wanting a number between "guess in the mirror" and "book a $150 DEXA scan." Calipers need a second person and a steady hand. Smart scales swing a few points depending on how much water you drank. So I built realbodyfat.com: upload... - Source: dev.to / about 1 month ago

Tracking https://open-gpt.app/ since Jul 2023.