Very early signs blog post introduction have become encouraging and then we propose to conduct the global rollout of two-tier cost by early Q1. Flipping now to expenses. I shall discuss these on an adjusted factor, excluding the influence of noncash onetime also costs. Cost of revenue had been $56 million in Q3, upwards 28percent year over seasons, symbolizing 28percent of revenue.
The increase is primarily because greater aggregator charge from higher sales this one-fourth. Deals and marketing and advertising expenses were $52 million, up 41percent 12 months over 12 months. This symbolizes 26% of revenue compared to 23percent a year ago. The majority of the boost was actually because of reentry paigns and new marketplace launches for Bumble as well as some overall performance promotional and rebranding projects for Badoo.
Please note that we have lower-than-normal promotional invest in Q3 of this past year offered COVID doubt and higher amounts of lockdown. G&A devote was $24 million, right up 35percent year over year considering enhanced headcount and public organization outlay. As a share of income, this is 12%, up a little from 11percent last year. Item developing expenditures totaled $14 million 
It was 7percent of sales compared to 6per cent this past year. A lot of build was also powered by greater headcount. Stock-based settlement expense when it comes down to quarter got $24 million when compared to $9 million last year, mainly considering modification of money awards at IPO and headcount gains. These expenditures resulted in 3rd one-fourth modified EBITDA of $54 million, up 1percent on a year-over-year factor.
Adjusted EBITDA margin was actually 27percent versus 33percent a year ago. The difference reflects both higher cost of money and marketing expenses this quarter. We reported a GAAP web losing $11 million when compared with a net loss of $23 million this past year. During the quarter, we also finished another supplying of 20.7 million course one common offers.
couldn’t get any arises from the exchange. Our very own finances and cash equivalents totaled $292 million since the termination of the one-fourth. Lastly, looking at the Q4 perspective.
Then subsequently, completely different topic, but software Store only aspiring to get your ideas on the latest variations truth be told there therefore the prospective results to Bumble
The audience is happy with our Q3 show. We delivered strong outcome and significant advancement on numerous key initiatives. We feel well situated for the remainder of the entire year and continuing to cultivate top-line money also leaning to the functional control inside our unit to produce a healthy and balanced margin. As a result, we are pleased to raise the full 12 months 2021 advice both for earnings and modified EBITDA.
For Q4, we anticipate total income to get into the range of $208 million to $211 million, representing a growth speed of 27percent at the midpoint associated with range. We count on adjusted EBITDA to stay in the number of $53 million to $55 million, which symbolizes a margin of 26percent at midpoint. For full season, this translates to revenue assistance during the selection $765 million to $768 million, representing a rise rate of 32per cent from the midpoint of this range. We expect modified EBITDA to get into the product range of $205 million to $207 million, which symbolizes a margin of 27percent in the midpoint.
Thank you so much to suit your opportunity. And understanding that, driver, we are willing to need inquiries.
Concerns & Solutions:
[Operator instructions] Our first real question is from Cory Carpenter with J.P. Morgan. Their matter, kindly.
Thank you for the question. My personal earliest a person is simply wishing you can elaborate on Bumble app international development goals for the remainder of the season and into 2022 and what geos you see more possibility or you’re most centered on. Thank you so much.