Is it possible that this experience was influenced in any way by the fact that they're trying to find a "Senior iPhone Developer" for under £40k? That's ~$65k, and thus roughly $100k shy of what you'd need to offer before you started to pique the interest of any good iPhone Developers in the current market.
Irrespective of the appropriateness or not of the rate actually offered, the edited version is quite simply a lie perpetrated by lying liers and unfortunately this sort of behaviour seems to be the norm for the recruitment industry in my limited experience. The amount of blatant untruths I've had to be polite about as I've taken calls from recruiters trying to hawk their wares. Actually, I've stopped being polite: re…
That recruiter that reposted "up to £40k" was a good guy who was doing them a big favor by making clear that the biggest problem with their ad, that which most needed to be changed was the salary offering. And he didn't even charge them for that insight. What a nice, generous fellow.