Wring

Wring is a modern, workshop-ready companion for anyone working with gauge blocks. Build accurate stacks in seconds, switch between metric and imperial sets, and choose stacking strategies that match your workflow. Whether you're on the shop floor, in a calibration lab, or teaching apprentices, Wring gives you fast, reliable results with a clean, high-contrast interface designed for real-world use. WHAT WRING DOES • Build precise gauge-block stacks instantly • Metric and imperial sets included • Smart stacking that prefers thicker blocks • Optional wear blocks for stack protection • Multiple measurement strategies • High-contrast, workshop-friendly design • Works offline — no network required FREE TIER Get started with the essentials: basic stacking from preset gauge-block sets, metric/imperial switching, and full offline use. No account, no sign-up, no ads. WRING PLUS Step up to larger sets and more control: • Stacks of up to 9 blocks • Larger gauge-block set library • Multiple measurement strategies • Per-block include / skip control WRING PRO Everything in Plus, plus the full professional workflow: • Fully customisable gauge-block sets • Wear block modelling and dedicated wear sets • Calibrated-deviation entry per block • Material selection, grade tolerances and thermal compensation • Projects with printable stack lists • Save and recall named stacks per project • Cross-device sync of sets, stacks, projects and rooms • CSV import / export of block sets • PDF export of single stacks and full project reports CROSS-DEVICE SYNC (Pro) Pro users can opt in to keep custom sets, saved stacks, projects and rooms synchronised across their own Android devices through Google Drive's hidden per-app data folder. The connection is initiated from Settings; you stay in control of the linked Google account and can disconnect at any time. No data is sent to Kokoto's own servers. PRIVACY Wring does not collect personal data. There are no analytics, no tracking identifiers and no advertising SDKs. Purchases are processed securely through Google Play. SAFETY Wring is a calculation aid. Always verify stacks with certified measurement tools before use in precision or safety-critical work. SUBSCRIPTION DETAILS Wring Plus and Wring Pro are available as monthly or yearly auto-renewing subscriptions sold through Google Play, each with a 14-day free trial for eligible new subscribers. Payment is charged to your Google Play account at the end of the free trial. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Google Play account settings. Read the full Privacy Policy and Terms of Use at https://www.kokoto.app/wring/