Gretio vs Elevator Rescue App

Use Gretio with an OBDLINK MX+ to perform advanced diagnostic functions on your diesel, gas, electric, or hybrid vehicle. Analyze thousands of different data points at high speeds. Look up diagnostic trouble codes for all modules including the Engine Control Module, Chassis Control Module, Drive Motor Control Modules, Battery Energy Control modules, Body Control Module, Radio, and many more. Perform advanced service functions such as diesel particulate filter service regenerations, selective catalytic reduction tests, power relay tests, and even program some features. Gretio is an advanced tool made for the DIY market. All procedures must be used in accordance with the vehicle's service manual or other OEM approved literature. Gretio is made exclusively for General Motors vehicles. Additional models will be supported in the future.

Elevator Rescue is a field reference tool for firefighters, first responders, and elevator technicians who need clear door procedures under pressure. Identify the manufacturer and door type, then follow step-by-step rescue training clips — including pick and rake methods — with offline downloads when signal is poor. WHAT YOU GET • Manufacturer library — OTIS, Schindler, KONE, thyssenkrupp, Mitsubishi, Fujitec, Westinghouse, GAL, and more • Door type guidance — center opening, single slide, two-speed, freight, and specialty configurations • Training video clips updated from a live content manifest • Offline downloads so procedures still play in the field • Door lock and interlock image references • Search, recents, and favorites for fast access • Dark, high-contrast UI built for apparatus bays and machine rooms SUBSCRIPTION Core free clips are available to explore. Full manufacturer and door procedure libraries unlock with an Elevator Rescue Pro subscription (up to 3 linked devices per account). Manage subscription and device linking in Settings. Built for professionals — not a consumer entertainment app. Content is focused on elevator emergency procedures and training media. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rescue-app.tuzzco.net/privacy.html