Inside the app
A closer look.
About this app
Made for a clear purpose.
Cuewarrant: Caption QC is a focused, fully on-device app. An offline subtitle and caption quality studio for SRT, WebVTT, TTML, timing, overlaps, reading speed, line length, style, search, comparison, and clean exports.
KEY FEATURES - Parse SRT, WebVTT, TTML, SSA, and common timecodes - Find overlaps, reversals, gaps, and media overruns - Measure characters per second and line balance - Search, retime, split, merge, and compare cue files - Export repaired captions and a QC evidence report - Complete bundled sample and local comparison workflow - Local PDF report and Apple system share export - Original offline technical reference library
ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface
Quality-control aid. Delivery platforms, language conventions, accessibility policy, and editorial intent differ; review every changed cue against picture and sound.
