How many FB autoregs should you run per antidetect profile? One. The practical calculation follows from that: as many autoregs as you run, that many profiles, and each profile gets its own proxy. When you need more accounts, you create new profiles instead of adding accounts to existing ones.
This isn't about a magic number but about stability: every extra account in a profile means more logins, actions and data points Facebook can correlate.
Why One Profile Per Account Works Best
Because an antidetect profile is one virtual device, and one device should belong to one account. A separate profile per account gives you:
- Isolated fingerprint — each account has its own device signature, browser history, and cookies.
- No cross-contamination — if one account gets flagged or checked, the others aren't affected.
- Easier troubleshooting — you know exactly which profile caused the issue.
If you run multiple accounts through one profile, you're telling Facebook that the same device logs into different accounts: same IP, same browser, same timezone.
Why Sharing a Profile to Save Money Doesn't Pay Off
Because accounts in one profile stay linked no matter how carefully you work: they share the fingerprint, cookies, cache and browser history. Saving on proxies is the usual reason to add another account to a profile, but rotating proxies or spacing out logins doesn't fix the core problem — the platform still sees one browser switching between accounts.
The risk grows with every account you add. It also gets harder to track which stage each account is at (warm-up, first spend, check), and easier to launch ads from the wrong account. The money saved disappears the moment a linked account gets banned.
Don't Mix Old and Fresh Accounts in One Profile
Don't: a farmed account and a fresh autoreg in one profile become linked, and the autoreg's problems spill over to the more valuable account. Account age doesn't make sharing safe — it only raises the price of a mistake. Keep money accounts fully isolated: one profile, one account, one proxy.
Practical Calculation: How Many Profiles and Proxies
You need as many profiles as active autoregs, plus a separate profile for each spare, and one proxy per profile. To scale, add new profiles rather than loading more accounts into existing ones.
- Profile A: FB autoreg + Ukrainian mobile proxy (Vodafone)
- Profile B: FB autoreg + Ukrainian mobile proxy (Kyivstar)
- Profile C: FB autoreg + residential proxy
A dedicated IP for every profile is easiest to get with mobile proxies for antidetect profiles; residential ones work too. Group profiles by role: campaign profiles for active traffic, test profiles for new offers, spares in case the main accounts go down. Start with a few profiles, one autoreg each, so you can compare setups and don't depend on a single account.
Where to Keep a Spare Autoreg
In its own pre-prepared profile, not in a working one. If the main account gets banned or hits a check, you switch to a ready setup instead of logging another account into the profile where the problem already happened.
What Antidetect Settings Matter
Three settings matter: a consistent fingerprint, cookie and storage isolation, and proxy binding. The antidetect browser itself doesn't limit how many accounts you put in a profile — the limit is behavioral and set by Facebook's detection, so these settings are what keep profiles apart:
- Consistent fingerprint per profile — don't change hardware specs mid-session.
- Cookie and local storage isolation — each profile's data stays separate.
- Proxy binding — lock each profile to a proxy in the right geo so Facebook doesn't see jumps across countries.
Choosing Autoregs for This Setup
Pick autoregs that come with cookies and two-factor authentication: cookies let you log in right inside the browser profile without a password, and two-factor makes re-login easier. Check the package contents against what an autoreg description should include.
Prefer autoregs aged 30+ days: they have a better chance of getting through the platform's initial checks and last longer in work. Buy one autoreg per profile in your campaign plan, plus a reserve in case the main accounts go down.
FAQ
How many autoregs can I run in one antidetect profile?
One. A profile is a single "device" with one fingerprint, IP and set of cookies, so the platform will link any accounts you put in it.
Where should I keep a spare autoreg?
In a separate, pre-prepared profile with its own proxy, not in a working one.
Do I need a separate proxy for each profile?
Yes. Switching proxies inside one profile doesn't separate accounts, because the fingerprint and cookies stay shared.