Arcads makes UGC-style video ads with realistic AI actors. Mostly makes on-brand carousels and product visuals for organic social, and posts them to TikTok and Instagram for you.
Arcads is the specialist for AI actor video ads. Mostly covers organic carousels, image ads and product videos, and handles posting.
Anything in Mostly that isn't fully live yet is labelled Beta, Rolling out or Coming soon.
Taken from each pricing page in November 2026. Prices change, so check before you buy.
Flat plans, not per channel or per seat. Top up anytime at $0.01 a credit.
Arcads doesn't list prices on its site. Third-party guides put the entry plan around $110/mo; check the app for the current price. Source: arcads.ai.
A hire costs a salary. A stack of tools costs a bill per tool, and someone still has to run it all. Switch on what you pay for today and compare it with one Moss.
Your stack today
$179/mo
7 tools · $2,148 a year
With Mostly
You save
$130/mo
That's $1,560 a year, in one place, with one login.
Prices checked Nov 2026 on each vendor's pricing page: entry plan that does the job, billed monthly, USD. Foreplay, Canva, HeyGen, Creatify, OpusClip, Buffer, Hootsuite, Metricool.
Both are good tools for different jobs. Here's when we'd point you to each.
No import scripts. Moss starts from your website, so there's nothing to rebuild by hand.
Moss reads your brand and products in about a minute.
Share the hooks that win in your Arcads ads. Moss turns them into organic carousels.
Connect TikTok and Instagram and let Moss post through the week.
Mostly has AI UGC avatars in Beta. Arcads has a far larger actor library and is the better pick if actor videos are your main format.
Arcads doesn't publish prices on its website. Mostly is $29/mo for Starter and $49/mo for Pro, with a free plan to start.
Yes. A common setup is Arcads for paid video ads and Mostly for organic carousels and product images.
Paste your website. Moss learns your brand and hands you a carousel worth posting.