Medtimer represents a specialized iOS application developed by Tigerpixel specifically for medical professionals requiring precise vital sign measurements. The application occupies a unique niche in the healthcare technology market by focusing exclusively on heart rate and respiratory rate calculations, eliminating the need for manual timing and mathematical conversions that traditionally accompany these clinical assessments. The application's core functionality centers around automated timing mechanisms that accurately capture pulse and breathing patterns. Users initiate measurement periods by tapping the screen in rhythm with heartbeats or respirations, after which the application automatically calculates rates per minute. A particularly valuable feature includes age-specific reference range charts that instantly display normal parameters for both pediatric and adult patients, providing immediate clinical context during examinations. The interface maintains separate modules for heart rate and respiratory rate measurements, with clear visual indicators and numerical displays. User experience demonstrates exceptional simplicity with an uncluttered interface that prioritizes functionality over aesthetic embellishments. The design employs large, responsive touch targets and high-contrast displays suitable for various clinical environments. Real-world usage patterns indicate healthcare professionals typically employ the application during patient rounds, emergency assessments, and routine check-ups where rapid, accurate vital sign documentation proves essential. The absence of complex menus or configuration requirements allows for immediate deployment in time-sensitive situations. User feedback trends reveal overwhelmingly positive reception among medical professionals, though specific compatibility issues emerge in recent reviews. Nurse zaleta69 (September 14, 2023) praised the application as 'helpful and easy to use,' while user needed to be said<3 (January 9, 2024) highlighted compatibility limitations with Apple Watch Series 9. Veterinary student Twhitt12 (December 14, 2023) noted excellent functionality for animal patients but requested species-specific reference ranges. Multiple reviewers including MadzDanner (December 25, 2024) expressed desire for expanded wearable compatibility beyond current iOS devices. The application demonstrates significant strengths in accuracy, simplicity, and immediate clinical utility, particularly for human medical applications. Limitations include restricted platform availability, lack of animal-specific reference data, and emerging compatibility issues with newer Apple Watch models. Ideal use cases involve clinical settings where rapid vital sign assessment without additional equipment proves beneficial, though veterinary applications require manual interpretation of results due to species-specific normative data limitations.