Clockrift: Cron Simulator
Robert Corbin Developer Tools iPhoneiPadiPod touch
Clockrift: Cron Simulator is a paid Developer Tools app for iPhone and iPad by Robert Corbin. Requires iOS 17.0. Updated August 31, 2026.
- Price
- 0.99 USD
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- Aug 31
- 2026 · v1.1
Screenshots
About Clockrift: Cron Simulator
Clockrift is a local recurring-job rehearsal tool for developers, operators, data teams, and automation owners who need to reason about time before a schedule fails. Screen recurring work against DST windows, duration, cadence, and the recovery semantics that schedulers often leave implicit. KEY FEATURES - 24-hour execution clock - DST risk scoring - Duration and frequency overlap model - Local-versus-UTC intent record - Idempotency and retry notes - Owner and status workflow - CSV schedule import - Portable review export - Local PDF and JSON export - No account, ads, analytics, tracking, IAP, or subscription Clockrift is a planning model, not a scheduler. Runtime behavior varies by cron implementation, operating system, orchestrator, timezone database, retry policy, clock source, and workload. Verify the deployed scheduler and test transition dates directly.
What’s new
Version 1.1 · Updated August 31, 2026
About 65 MB of illustration files shipped inside the app without ever being displayed. They are gone. Schedule parsing and the run-time preview are unchanged.
App privacy
The developer, Robert Corbin, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.