Upgrade ROI Calculator
Which upgrade pays back fastest? Enter multiple upgrades and compare their payback times instantly.
Upgrade NameCost+Income/sec
ROI Rankings
Estimated
Payback time is direct math, but the best-buy recommendation assumes you care most about fastest repayment.
| Rank | Upgrade | Cost | +Income/sec | Payback Time |
|---|---|---|---|---|
| 🏆 | Upgrade B | 5M | 300K/s | 16s |
| #2 | Upgrade A | 1M | 50K/s | 20s |
🏆 Upgrade B is the best first buy. It costs 5M and adds 300K/s, paying back in 16s.
Assumptions
- Rankings are sorted by shortest payback time first.
- This does not yet model unlock chains, manager effects, or bundle synergies.
- Use the CTA below to turn the best income gain into a target timeline.
Next Steps
How to Use
Add each upgrade you're considering with its cost and the extra income per second it provides. The calculator ranks them by payback time — the upgrade that pays back fastest should be your first purchase.