Sarthak Goyal
Senior Product Designer | UI/UX for Dashboards, Mobile & Web
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If your invoice builder looks simple,
it’s because someone mapped everything that could go wrong.
That’s the job.
Notes, participants, timing.
Trips fail when any one of these breaks.
Good UX turns chaos into coordination.
Productivity apps shouldn’t just look good.
They should move work forward.
Designing a system where focus, progress, and context stay visible, without overwhelming the user.
Dark mode. Clear states. Real momentum.
Most invoice tools stop at “send & pay.”
This one goes further:
-> brand control
-> layout flexibility
-> tax + discount clarity
-> fewer back-and-forths
Designing an invoice builder for modern SaaS, not accounting software.
Most estimate tools stop at “Create PDF.”
Good SaaS thinks further:
• What happens after it’s sent?
• How does it get accepted?
• How does it turn into an invoice?
This is what designing estimates as a system looks like.
