BENCHMARK 1 · SLOTKEEPER BOOKING APP · TESTED OCT 14–25, 2026 · ONE RUN PER TOOL How we test →

Home / Compare / Bolt vs Lovable

Bolt.new vs Lovable for a booking app: same prompt, same checklist

Bolt scored higher (94.75 vs 87.25). Both passed all 10 checks; Bolt was faster (~7 min vs ~18 min active) and had no critical bug, but its slot times shift with the viewer's timezone.

Test dates: Bolt.new Oct 21, 2026 · Lovable Oct 21–22, 2026 · both on free plans · one run each

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Side by side

Bolt.new · tested Oct 21, 2026

94.75 /100

1 MAJOR 2 MINOR

Lovable · tested Oct 21–22, 2026

87.25 /100

1 CRITICAL 2 MINOR

Points per rubric part; difference is Bolt minus Lovable.
Criterion	Bolt	Lovable	Difference
Works end to end	30	30	0
Time to first working version	15	12	+3
Bugs	11	9	+2
Design / UX	13.75	11.25	+2.5
Deploy ease	15	15	0
Cost	10	10	0
Total /100	94.75	87.25	+7.5

NoteLovable: Under review: 86.25 if our 5-point critical-bug rule is applied (the scorecard took 4). Corrections.

Points earned
Points lost
Bar segments, left to right: works 30 · time 15 · bugs 15 · design 15 · deploy 15 · cost 10

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The trade-offs in one line each

Bolt.new: ~7 minutes, highest design score, but a major timezone bug and open owner sign-up.
Lovable: Critical open owner sign-up and an overnight free-credit stall, but Lovable flagged the security issue itself.

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