# CycleBench > Free time study tool for your phone. Time cycles and changeovers, record interruptions with reasons and download a CSV and PDF, with no account. Time repeated cycles at a station, or the phases of a changeover from the last good part to the first good part as you judge them. Scan or type a station code and an activity, then tap large Start, Next cycle or Next phase and Finish buttons while you watch the work. Record each interruption with a typed or scanned reason, and it stays inside the cycle or phase it happened in. Review every observation, exclude one with a written reason and keep any loss of timing visible as an uncertain interval. Download a complete observations CSV, A4 PDF reports of up to ten observations per part and a portable project backup. Keep studies as temporary work or save them on this device, and prepare the tool for offline use. ## Pages - [CycleBench time study tool](https://cyclebench.smartfact.ai/app/): Free time study tool for your phone. Time cycles and changeovers, record interruptions with reasons and download a CSV and PDF, with no account. - [Free cycle time and changeover study](https://cyclebench.smartfact.ai/): Free time study tool for your phone. Time cycles and changeovers, record interruptions with reasons and download a CSV and PDF, with no account. - [Cycle time study on a phone](https://cyclebench.smartfact.ai/cycle-time-study/): Watch a repeated job at one station and tap at each cycle boundary. CycleBench records every cycle against the station and activity, keeps interruptions inside the cycle they belong to and gives you the mean of the cycles you include. - [Changeover time study, phase by phase](https://cyclebench.smartfact.ai/changeover-time-study/): Record a changeover as a sequence of named phases, with interruptions and their reasons, and get the whole changeover time when every phase is complete. - [Record interruptions in a time study](https://cyclebench.smartfact.ai/time-study-interruptions/): Time the work and its interruptions together. Each interruption gets a reason you type or scan, a measured duration and a place inside the cycle or phase it interrupted. - [Your study stays on your device](https://cyclebench.smartfact.ai/privacy/): How CycleBench keeps time studies in your browser, how the camera is used, and the optional analytics. - [Small tools for the factory floor](https://cyclebench.smartfact.ai/about/): What CycleBench is and is not, the other free SmartFACT tools and how to get help. ## Discovery - [Full text](https://cyclebench.smartfact.ai/llms-full.txt) - [Sitemap](https://cyclebench.smartfact.ai/sitemap.xml)