--- title: "Chest Compression Fraction CCF — App Overview" url: https://marlvel.ai/apps/com-us-dartsim-chestcompressionfractiontimer category: Education developer: STAR CPR San Diego platforms: ios rating: 1.7 (10 ratings) pricing: paid report_level: overview generated: 2026-04-24 last_verified: "2026-04-24T12:07:00.735Z" --- > **Key Insight:** While marketed as a training aid for CPR competency, users report significant technical instability and limitations regarding timer functionality and device compatibility. | Metric | Value | |--------|-------| | Category | Education | | Rating | 1.7 ★ (10) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.0 | | Developer | STAR CPR San Diego | ## What is Chest Compression Fraction CCF? Chest Compression Fraction (CCF) is a medical education tool designed to help users track the percentage of time spent on chest compressions during CPR. The app claims to support survival rate improvements by helping practitioners maintain a CCF above 80% through integrated timing and metronome tools. ## Key Features - **CCF Calculator**: Calculates the ratio of time spent administering chest compressions during a cardiac arrest scenario. - **Integrated Metronome**: Provides audio cues at 100 and 120 beats per minute to assist with compression rate compliance. ## Who is it for? CPR instructors and healthcare professionals conducting BLS training scenarios. ## Links - [App Store](https://apps.apple.com/us/app/chest-compression-fraction-ccf/id1565028479?uo=2) - [Full Intelligence Report](https://marlvel.ai/apps/com-us-dartsim-chestcompressionfractiontimer) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-us-dartsim-chestcompressionfractiontimer).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*