head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Reads · Bluff & Deduction
A bluffing trivia party game about writing fake answers that fool other players.

Reads · Bluff & Deduction
A bluff-heavy pack where predicting what your friends will write is the whole game.
Fibbage leans Reads (Bluff & Deduction); The Jackbox Party Pack 4 leans Reads (Bluff & Deduction).
The Jackbox Party Pack 4 leans a little harder on execution, though the gap is small.
Fibbage
Typing answers, no physical skill
The Jackbox Party Pack 4
Tapping a phone screen.
Fibbage leans a little harder on reads, though the gap is small.
Fibbage
Crafting lies that fool other players is the core
The Jackbox Party Pack 4
Fibbage 3 and Survive the Internet reward modelling friends.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fibbage
Obscure trivia answers are hidden information you guess
The Jackbox Party Pack 4
Random prompts shuffle every session.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fibbage
Little to solve beyond plausibility judgement
The Jackbox Party Pack 4
Marginal trivia and wording strategy.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.