A modern alternative to Idaho Child Support Online

Idaho Child Support Online (ICSP), from Moonlighting Software, is the subscription calculator many Idaho practitioners use. If you’re looking for an alternative, here is what this calculator offers.

• Built on Rule 120 as amended effective July 1, 2025, with each interpretation documented.
• Fills the Idaho Supreme Court’s Forms 5, 6 and 7 directly.
• Mediation mode: compare proposals side by side and adjust them live with both parties in the room.
• Drafts order language, including the step-down schedule Rule 120(j) requires.
• Prints a one-page summary for clients.
• Runs in your browser; case data never leaves your computer.
• Free while in beta.

This site is independent and is not affiliated with Moonlighting Software or Idaho Child Support Online. Product names are used only to identify them. Results can differ from other tools where the rule leaves rounding and similar details open, so compare before filing.

Try it with a recent case →Free while in beta · runs in your browser · nothing is sent anywhere