Undetectable review

Undetectable is a affordable / entry browser from Undetectable LLC, and in our 2026 testing it scores 8/10 overall. It runs on Windows · macOS, starts at $49 / mo, and is at its strongest for teams holding very large numbers of dormant profiles. Free access: Free plan with 10 profiles.

This review covers what the engine actually spoofs, how the profiles behave in Pixelscan, CreepJS and IPHey, real pricing at realistic profile counts, which proxies to attach for social media, e-commerce and ad accounts, the automation surface, team features, and which alternative makes more sense if your workload sits slightly elsewhere. Every figure comes from list pricing and hands-on use rather than vendor marketing.

Undetectable's proposition is storage economics. Most antidetect pricing punishes you for holding identities you are not using, which is exactly what account-farming and long-horizon marketplace operations require: profiles created, warmed, then parked for weeks. Its higher tiers drop the cost per stored profile far below the category average, so a five-thousand-profile inventory becomes a line item rather than a crisis.

The configuration marketplace is the other distinctive feature. Rather than assembling a fingerprint by hand, you can pull a ready-made configuration matching a plausible device and locale combination. That accelerates bulk creation considerably — with the caveat that shared configurations are, by definition, shared, so anything you intend to use on a high-value platform should be re-randomised before first login.

Elsewhere it is a competent mid-tier Chromium tool: standard surface spoofing, adequate CreepJS results, a working local API, and access control good enough for a small team. It will not out-fingerprint Octo or Multilogin, and there is no Linux client. Buy it for the inventory economics, not for the engine.

An antidetect browser exists because a proxy only hides one variable. Anti-fraud systems build a browser identity from dozens of signals — canvas and WebGL hashes, audio context, installed fonts, client rects, navigator properties, hardware concurrency, device memory, WebRTC candidates, timezone, locale and the TLS handshake — and then compare that browser signature against the network identity. Undetectable gives each profile its own coherent set of those values through Chromium.

The important word is coherent. Randomising every surface independently produces an impossible device: a MacBook reporting Windows fonts, a phone reporting eight CPU cores, a German IP with an America/Los_Angeles clock. Detection vendors score exactly those contradictions, which is why fingerprint consistency — not maximum randomness — is the metric that matters and the thing our testing measures.

Profile storage is the other half of isolation. Local plus cloud sync; bulk export and import, configuration marketplace. Cookies, localStorage, IndexedDB and cache stay inside the profile, so a session on one account can never be correlated with another through shared browser state — the mistake that container tabs and ordinary incognito windows cannot prevent.

We run every browser in this directory through the same battery: a Pixelscan test for consistency, a CreepJS test for entropy and API tampering, IPHey for section-by-section scoring, BrowserLeaks for individual surfaces and a DNS leak test for network coherence. Each profile is tested twice — once on a clean ISP static residential IP and once on a rotating residential exit in another country — because a browser leak test only means something in combination with the proxy you will actually use.

Results below are for Undetectable on default profile settings. Read them as a floor rather than a ceiling: nearly every failure we see in production comes from operator configuration — an auto timezone left on the machine's real value, WebRTC enabled when the proxy cannot carry it, or a profile reused across two platforms — rather than from the engine.

Scores are relative to the other antidetect browsers in this directory, not to software generally. A 7 for fingerprint isolation still describes a tool that defeats the detection most ordinary websites deploy; it simply means we would not put an irreplaceable advertising account behind it.

Weight the criteria by your own workload. A developer automating thousands of throwaway identities should read the automation row first; an agency with fifty staff should read the team row first; a solo affiliate should read value and usability and largely ignore the rest.

Cost per stored profile falls sharply on higher tiers, which makes it attractive for teams warehousing thousands of dormant identities.

Value here means cost per surviving account, not cost per profile. Compare the monthly price at the profile count you will actually reach in six months, include the proxy spend in the same calculation, and prefer flat tiers over models that meter seats and profiles separately — the second kind is where small teams get surprised at renewal.

Model the total, not the subscription. The browser is typically the smaller half of the bill: dedicated ISP proxies for a fifty-account estate run $75 – $300 a month, mobile bandwidth for account creation adds more, and both scale with the estate rather than with the licence tier. Teams that budget only for software are the ones that end up sharing IPs across accounts — the single most expensive saving in this industry.

On a small budget the proxy is where your money should go, not the browser. A cheap antidetect browser on a good ISP proxy consistently outperforms a premium browser on a shared datacenter IP, because IP reputation is checked before any fingerprint surface is read. Spend first on one clean static IP per account that matters, and only then upgrade the browser.

Mechanically, Undetectable attaches identity through http, socks5, bulk import, per-profile assignment with checker. Set the proxy before the profile's first launch, never afterwards: the first session establishes the account's device-and-network story, and changing the exit later is a far louder signal than an imperfect IP chosen at the start. Match timezone, locale and WebRTC to the exit country in the same step.

Automation surface: Local API, Selenium and Puppeteer via CDP. In practice that means you can start a profile, receive a debugging endpoint and drive it with the same Playwright, Puppeteer or Selenium code you would use against a stock browser — while the profile keeps its spoofed fingerprint, its cookies and its assigned proxy.

Small operations survive on hygiene rather than tooling. One profile per account forever, one proxy per profile forever, timezone and locale matched to the exit country, no logging into the same platform from your ordinary browser, and cookies exported to backup before any risky action. Those five rules prevent more bans than any feature on a pricing page.

On AI: the category has moved quickly from marketing claims to real features — natural-language automation templates, AI-generated content inside the profile, and agentic flows that navigate on instruction. Treat them as productivity tools, not stealth tools. Detection is also increasingly AI-driven, scoring mouse entropy, dwell time and action cadence, so the behaviour of your automation now matters at least as much as the static values the browser reports. Randomise pacing, avoid perfectly identical action sequences across profiles, and never let an unreviewed generated script run against an account you cannot afford to lose.

Social platforms are the most common reason people buy an antidetect browser, and the most punishing place to get it wrong. TikTok, Instagram, Facebook, Reddit and X all fingerprint aggressively, correlate accounts across device signals, and treat a new account's first hours as the highest-risk window. Undetectable supports this work through per-profile isolation and access control per profile group, transfer, shared configurations.

The pattern that survives: create on a mobile proxy, keep the profile idle-but-active for several days with ordinary browsing, add a profile photo and a few benign interactions before anything commercial, then move to a stable ISP IP for the account's working life. A social media account manager that runs this sequence loses a fraction of the accounts one that logs in and immediately posts does.

Collaboration at this tier means sharing a handful of profiles with a virtual assistant. Use folder or group sharing rather than sending profile exports, keep a written record of who touched which account, and rotate nothing while a colleague has the profile open — two simultaneous sessions from different countries is a straightforward detection signal.

Amazon, eBay, Etsy, Walmart and TikTok Shop link accounts on a wider set of signals than social platforms do — payment instruments, shipping addresses and business details sit alongside device and IP history, and marketplaces retain that history for years. The browser handles the device half; you must handle the rest with genuinely separate business data per account. An immaculate fingerprint on two stores sharing one bank account will still be linked.

Every antidetect browser trades price, fingerprint depth, automation and team control differently. Undetectable makes the following trade explicitly.

Choose Undetectable if your work looks like teams holding very large numbers of dormant profiles, your machines run Windows · macOS, and the price at your real profile count is defensible against what a lost account costs you. It sits clearly in the affordable / entry browser segment and is honest about it.

Look elsewhere if you need something it does not do: windows and macos only is the constraint that most often sends buyers to MoreLogin. Compare at least two options at your actual volume before committing annually — list prices diverge sharply between the ten-profile and thousand-profile ends of every vendor's ladder.

Antidetect browsers are privacy and identity-management software, and using one is lawful in the jurisdictions we operate in. What varies is what you do with it: managing several legitimate business accounts, verifying your own advertising creatives across geographies, testing how your site behaves for different device profiles and protecting client data are ordinary commercial activities. Fraud, circumventing bans obtained through fraud, or violating a platform's terms remain violations whatever browser you use.

Practical compliance: keep genuine business separation between accounts you operate, respect data-protection law when handling customer data inside a profile, buy proxies from providers that run real KYC on their networks, and document your account estate. Platforms increasingly ask for that documentation during appeals, and being able to produce it is the difference between a reinstated account and a permanent loss.