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productdevbook✓$10 off ova, the macOS bandwidth monitor
See exactly which apps eat your bandwidth, from the menu bar. One payment, lifetime updates.
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Promo codes straight from the people who built it.
Coupons, credits and deals on the tools developers and their users actually pay for. Every offer here was posted by the company behind it, so the codes work. One payment of $9 unlocks all of them, for good.
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1 promo · Ranked by bid, clicks, freshness and quality
$10 offproductdevbook✓Bids decide rank, but only halfway
Half the score is what an advertiser paid, passed through a logarithm. The rest is click-through, freshness and whether they filled the listing in properly, none of which money buys.
Read the algorithmThe bottom of the board still gets seen
Only the top three slots are pure score order. A share of the rest is drawn by a score-weighted lottery every ten minutes, so a cheap listing is rarer, never hidden.
See what is risingEvery number is published
Visitors, clicks, unlocks and total advertiser spend, in public. If you are deciding whether this board is worth paying to be on, decide with the real figures.
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