CHOOSE YOUR VERSION
The latest. And a way back.
Open the current calculator below. When a new release arrives, previous releases will be listed here so you can return to an earlier version if needed.
CURRENT RELEASE
Open current version ↗iTODD Echo v1.0
TODD cards, intermediate legs, and Min Speed performance calculations.
Older releases +
No earlier releases listed yet.
Echo v1.0 is the starting release. Earlier development builds are not listed as fallback versions. Future releases will have their own browser links here.
Open a version in Safari and use Share → Add to Home Screen for quick access. Export your card and station setup before switching versions; saved data may not carry across versions.