ChainLab / Terms
Effective October 26, 2026. ChainLab uses Apple's Standard End User License Agreement.
Gear and power outputs are estimates based on entered values and simplified conditions. They are for exploration and comparison, not mechanical compatibility, training, or safety advice.
ChainLab Pro is an optional one-time, non-consumable purchase that unlocks unlimited saved bicycle setups. The localized price appears in the app before payment. It does not renew and has no recurring charge. You can restore access in the app with the same Apple Account.
Contact ootssu@ootssu.com.