There's also the effects of price-anchoring and price-bracketing: $20 may look expensive compared to $3 or $5 or $10, but stick it up against $75 and $250, it a

There's also the effects of price-anchoring and price-bracketing: $20 may look expensive compared to $3 or $5 or $10, but stick it up against $75 and $250, it appears to look more reasonable. It's exactly what you're saying: the $250 option isn't intended to sell people on lifetime subscriptions, it's designed to make the $20 product look reasonable.