iXBrowser Alternative: Native-Engine Antidetect With a Local API

Search "iXBrowser alternative" and you'll land on the same handful of grids, over and over. Assembled from marketing copy, published once, left to rot while prices move and features ship or get pulled. The question automation people actually need answered — which of these has a real, documented API — usually isn't on the grid at all.

That's the pattern with this whole search term.

We build JustBrowser, so we're not neutral here. But the honest move isn't pretending otherwise — it's handing you a test protocol instead of a scoreboard we graded ourselves.

Why We're Not Printing iXBrowser's Specs

Here's the problem with competitor claims: they're claims about a company you don't control, published into an article that keeps ranking long after the facts change underneath it. A wrong number in a comparison table is a liability with a long tail, and we'd rather not add one.

We can't independently verify iXBrowser's current pricing, plan structure, engine internals, or platform support at the time of writing. So we're not going to print them and dress them up as settled fact.

What takes about four minutes instead:

Open iXBrowser's pricing page directly. Screenshot it with today's date visible.
Find their platform support page. Note the exact OS list — architecture included, not just "macOS."
Find their automation docs. Is the API local or hosted? Which frameworks do they actually name?
Find the cancellation terms. Not the refund window — what happens to your profiles specifically.

Four verified facts with a timestamp. That beats any comparison grid, and you can run the same four questions against us.

(Do the same against our pricing page while you're at it. We'd rather you check than take our word for it.)

The Five Properties That Actually Decide This

Feature-count grids chase row totals. In practice, five properties decide whether an antidetect browser survives a real workload, and four of them rarely show up in marketing copy at all.

1. Where the spoofing actually happens

An antidetect tool either patches the browser engine itself, or it decorates JavaScript from above with an extension or a wrapper. The second approach overrides APIs at a layer a determined page script can sometimes reach around. Engine-level patches change what the API returns before any page script runs at all.

JustBrowser is a custom Chromium engine with native C++ integration, patched on every upstream Chromium release — not an extension, not a stock-Chromium wrapper. Patches sit at the canvas, WebGL, audio, font, and screen layer, which is why 40+ identity parameters come out hardware-consistent instead of stitched together at runtime.

A ten-second check that works on any tool: open a profile's console and run navigator.webdriver. Ours returns false, unconditionally, patched in the engine — never undefined. If a tool returns undefined under automation, something above the engine layer is improvising.

2. Local API versus hosted API

Almost nobody asks this one up front.

JustBrowser's REST API is local only, bound to 127.0.0.1:36542 (port configurable in the app). There is no hosted endpoint — nothing answers at a cloud URL, and any tutorial claiming otherwise was written by someone guessing. The full surface is 108 operations across 15 groups, documented at justbrowser.app/docs with raw OpenAPI at /docs/openapi.json.

Local has a real cost: your orchestrator has to run on the same box as the browser. If you need a hosted control plane that drives profiles remotely, we don't have one. Ask any alternative the same question, and confirm the answer in its docs before you build a pipeline around the assumption.

3. Platform support, stated completely

Ask for architecture, not OS family. "macOS" and "macOS on Apple Silicon" are two different answers, and one of them breaks on an Intel Mac mini sitting in a closet somewhere.

Ours, in full: Windows x64 and macOS on Apple Silicon. No Linux build. You can generate a Linux identity and run it from a Mac or Windows host — genuinely different from running the app on Linux itself. If your stack needs a headless daemon on a Linux VPS, we're not the right tool.

4. The shape of the price, not just the number

Per-profile pricing tiers punish you at the exact moment an operation starts working. You cross a threshold, the bill doubles, and suddenly someone's doing arithmetic about which profiles to delete.

JustBrowser is one plan: $9.99/month, or $99.99/year (about 17% under twelve monthly payments). Unlimited profiles, unlimited cloud sync, unlimited team seats. The 7-day free trial requires a card — cancel any time in the seven days and you are not charged.

Team seats are free with no per-seat charge, but a seat isn't a subscription — it only runs profiles shared with it. No cloud sync of its own, no REST API, no AI features. Roles run owner, admin, member, viewer; a direct share carries view-only or launch permission. The recurring version of this question gets a longer answer in our teams and agencies FAQ and the pricing and free-tier questions post.

5. What leaving actually costs

The property every vendor comparison conveniently skips. Can you export? Is the export encrypted? Do profiles survive cancellation, or do they evaporate with the subscription?

Ours: export is AES-256-GCM with a passphrase you choose. If you stop paying, your profiles stay on your machine and keep launching. You can keep up to five local profiles; cloud sync, team sharing and the API pause until you resubscribe. Nothing gets deleted on you.

The Test Protocol — Run It on Both Tools

Two hours, one afternoon, and you'll know more than any ranked list can tell you.

Step 1 — Fresh profile, headed. Create one profile with a residential proxy attached. Run CreepJS and record the stealth and headless scores. Ours report 0% and 0%. Check IPHey for a Trust verdict and BrowserLeaks for WebRTC leakage. Whoer lands in the 90–100 range for us. Four checkers, four recorded numbers — not a vibe.

Step 2 — Same profile, through the API. Start it programmatically, with a visible window (see the first gotcha below), and re-run all four checks. This is the step that actually separates tools. A profile that scores clean through the GUI but differently under headed automation is doing inconsistent work somewhere.

Two gotchas worth an hour each if you skip them. Our API starts profiles headless by default — send {"headless": false} as JSON when the tutorial expects a visible window, because a headless session has no real window and its screen and viewport follow headless defaults. If you ask us, that default is backwards for most first-time integrations — a visible window should be the thing you opt out of, not into. And in Playwright, never call new_context() — that builds an incognito context outside the profile with none of its identity. Use contexts[0] instead. The full attach-and-drive flow is in our Playwright and Puppeteer REST API guide.

Step 3 — Proxy reality check. Run the built-in proxy tester. Ours reports exit IP, ISP or organization name, country, city, timezone, latency, a reputation score with blocklist hits, and three flags: proxy, hosting, mobile. What it does not give you is a clean "residential" or "ISP" type label — the closest signal is a reputation note when a blocklist classifies the address as residential or dynamic. Any tool promising a definitive residential-versus-datacenter verdict is inferring, not measuring.

Step 4 — Cancel it. Before the trial ends, cancel, then reopen the app. Nobody runs this step, and it's the one that decides whether a rough month turns into a lost quarter of account history.

Log all four steps for every tool under test. The longer version lives in our antidetect browser best-practices checklist, and the flagged-profile troubleshooting checklist covers what to do when step 1 goes badly.

Where JustBrowser Stops

The section most vendor pages skip entirely. If any of these are load-bearing for your workflow, go buy something else — that's a better outcome for everyone than a refund request in week three.

No Linux build. Worth saying twice.
No Firefox engine. Chromium only. A tool with a real Firefox core wins on targets that behave differently for Firefox traffic.
No mobile identities. No iOS or Android app, no battery or sensor patching.
No audit logging. It's the first thing a compliance-minded team will go looking for and not find. The activity table only records registration.
No folder-level permissions. Sharing is per profile or per workspace, not per folder.
No CSV importer. Genuinely annoying if you're migrating five hundred profiles from a spreadsheet someone built years ago. Bulk creation handles up to 100 profiles per call from a naming pattern, and archive restore goes through /profiles/import — but there's no spreadsheet upload.
No bundled proxies. Bring your own. We don't resell bandwidth.
Seats have no API access. Worth repeating, since it's the most common misreading of "unlimited team members."
Selenium needs ChromeDriver pinned to the core's current major, or Selenium Manager fetches a driver for your own machine's Chrome and the attach fails.

Advanced: Make the Switch Reversible

If you do move, move one workflow first — not the whole operation at once.

Warm new profiles before they carry anything real. Ours runs cookie warm-up across 127 curated sites in six categories, plus profile aging and a health score. Set per-profile DNS-over-HTTPS while you're in there — secure or automatic against Cloudflare, Google, Quad9, or a custom template — which closes the resolver leak that makes an otherwise clean profile look wrong under scrutiny. For the detection side of this equation, our sibling product has a useful breakdown of how bots, scrapers and crawlers actually get told apart.

Keep an encrypted export of every profile before and after migration. Two exports, two dates — don't trust memory on this one.

And give each account family its own mailbox on a domain you actually control, rather than a pile of free webmail accounts. A custom domain email setup is the unglamorous half of account longevity people skip right up until a recovery flow goes sideways at the worst possible time.

One licensing detail worth knowing before you migrate anything: there's no per-machine licence and no device cap. A paid licence re-validates every 30 days (a trial, daily), and keeps working offline in between. The one real limit is a cross-device lock — a synced profile runs on one device at a time.

Frequently Asked Questions

Is JustBrowser's REST API local or hosted, and why does that matter against an iXBrowser alternative search?

Local only — bound to 127.0.0.1:36542, port configurable in the app. There's no hosted endpoint, and nothing answers at a cloud URL. That means your automation orchestrator has to run on the same machine as the browser itself. It's a real tradeoff, not a limitation to hide: some teams want a hosted control plane and we don't offer one. Ask any alternative the same question before you commit a workflow to it.

Does JustBrowser run on Linux or on a headless server?

No. JustBrowser ships for Windows x64 and macOS on Apple Silicon only. There's no Linux build, no Linux Chromium core, and none on the roadmap — so a VPS-based or Docker-based deployment isn't a supported path. You can generate and run a Linux identity (x86_64 archetypes) from a Windows or macOS machine, which is a separate thing from a Linux build.

What should I check before switching from iXBrowser to anything else?

Four things, in order. Open a fresh profile and read its CreepJS stealth and headless scores. Confirm WebRTC behavior on BrowserLeaks with your proxy attached. Start the same profile through the vendor's automation API and re-run both checks — a headed session and an automated one aren't always the same fingerprint. Then cancel the trial and see what happens to your profiles before you ever touch production accounts.

What happens to my JustBrowser profiles if I stop paying?

Your profiles stay on your machine and keep launching. You can keep up to five local profiles; cloud sync, team sharing, and the API pause until you resubscribe. Nothing gets deleted. Take an encrypted export anyway before a long break — the export is AES-256-GCM with a passphrase you set. There's no free tier; the only free option is the card-gated 7-day trial.

Try JustBrowser

Antidetect browser on a custom Chromium engine, always current with upstream — not extension-based. Real C++ engine patches at the canvas / WebGL / audio / font / screen layer, so 40+ identity parameters are genuine, not faked. Local REST API for Playwright, Puppeteer, Selenium. One plan: $9.99/month or $99.99/year — unlimited profiles, free team seats, 7-day free trial, card required.

Get started → · How it differs from Multilogin / GoLogin / AdsPower