| Price from | $100/mo | $20/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Plans published | 4 | 10 |
| Spec score · Scenario Planning Software | 7.6 (#49) | 8.4 (#12) |
| Accounting integrations | QuickBooks Online and Puzzle connect by OAuth; Parallel says it does not currently support other accounting software. | Supports full QuickBooks Online and Xero integration on the Solo Business plan. |
| Free plan | No | Yes |
| Purpose | Parallel is cloud-based financial planning and analysis software that helps startups forecast cash runway, plan hires, and raise capital. | whatifi helps decision-makers visually model, forecast, and share business scenarios for runway, staffing, capacity, and profit. |
| Reporting | The product provides monthly model reports, SaaS metrics, dashboards, and board-ready reporting. | Additional features include alerts and notifications, cloud-based scenarios, a unified dashboard, custom dynamic reports, Excel export, and scenario following. |
| Support | Parallel says the founders are the people customers will talk to when they have a question, and its pricing FAQ says support is one message away. | The pricing page includes Business Support for Solo Business, Agency-level Support for Agency, and Top-Tier Support for Enterprise. |