Very early signs article establish are promising therefore we want to perform the global rollout of two-tier prices by very early Q1. Switching today to spending. I will discuss these on an adjusted foundation, excluding the effects of noncash onetime as well as other expenses. Cost of revenue had been $56 million in Q3, up 28% seasons over seasons, symbolizing 28per cent of profits.
The increase ended up being mainly because of higher aggregator fees from greater profits this quarter. Profit and promotional spending had been $52 million, up 41percent 12 months over 12 months. This signifies 26percent of income compared to 23percent a year ago. All the build got as a result of reentry paigns and brand new market releases for Bumble together with some show promotional and rebranding initiatives for Badoo.
Please be aware that we got lower-than-normal promotion devote in Q3 of last year considering COVID doubt and higher degrees of lockdown. G&A spend got 
$24 million, right up 35% seasons over seasons as a result of improved headcount and public organization bills. As a share of earnings, it was 12percent, up a little from 11percent last year. Items developing costs totaled $14 million, right up 36% seasons over seasons.
This was 7per cent of earnings in comparison to 6% this past year. A lot of increase was also pushed by greater headcount. Stock-based settlement expenditure for all the quarter was $24 million when compared with $9 million just last year, mainly as a result of adjustment of assets honors at IPO and headcount development. These spending contributed to 3rd one-fourth modified EBITDA of $54 million, up 1% on a year-over-year foundation.
Adjusted EBITDA margin got 27per cent versus 33percent just last year. The difference reflects both higher cost of profits and marketing expenses this one-fourth. We reported a GAAP internet reduction in $11 million compared to a net loss of $23 million just last year. While in the one-fourth, we furthermore done a secondary supplying of 20.7 million Class a typical offers.
did not receive any arises from the deal. Our very own cash and finances equivalents totaled $292 million since the termination of the quarter. Finally, turning to our Q4 mindset.
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We have been pleased about our very own Q3 show. We provided stronger success and significant advancement on many key projects. We feel good positioned for the rest of the season and continuing to develop top-line money plus tilting to the functional control within design to produce a healthy margin. As a result, we have been happy to raise our very own full 12 months 2021 assistance for both income and adjusted EBITDA.
For Q4, we anticipate overall income to stay the product range of $208 million to $211 million, symbolizing an improvement rate of 27per cent in the midpoint associated with the assortment. We anticipate modified EBITDA to be in the number of $53 million to $55 million, which shows a margin of 26per cent on midpoint. The full seasons, this means revenue direction in the variety of $765 million to $768 million, symbolizing a growth price of 32% during the midpoint of the array. We expect modified EBITDA to stay the number of $205 million to $207 million, which shows a margin of 27per cent at the midpoint.
Thank-you for the time. And understanding that, driver, we are ready to grab issues.
Issues & Responses:
[Operator guidance] the basic question for you is from Cory Carpenter with J.P. Morgan. The concern, please.
Thank you for the question. My personal earliest you’re simply wishing you can elaborate on Bumble app intercontinental growth goals for the remainder of the season and into 2022 and what geos you find the quintessential chance or perhaps you’re the majority of concentrated on. Thanks a lot.