# Kill Bill vs Square — Fit & Features

Canonical: https://trutool.co/compare/kill-bill-vs-square
Author: Sandeep (https://trutool.co/authors/sandeep)

Compare Kill Bill and Square by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Kill Bill
Open-source billing and payments infrastructure you run yourself. Scale subscriptions, usage, and payments at a fixed cost, not a percentage of your revenue.
Best fit: People and teams evaluating payments & billing for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://killbill.io
- [Read Kill Bill profile](https://trutool.co/tools/kill-bill): Read Kill Bill profile

### Square
Payment processing and business tools.
Best fit: Businesses accepting payments considering Square for this job: Payment processing and business tools.
- Payment processing and business tools
Before you choose: Test supported countries, payment methods, settlement, disputes, integration work, and all fees in the exact plan you intend to use.
Pricing: https://squareup.com
- [Read Square profile](https://trutool.co/tools/square): Read Square profile