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Cybersecurity · head to head

BigID vs Google Authenticator

BigID logo

BigID

Cybersecurity

Data discovery and classification across cloud, on-premise and unstructured stores

From
On request
Rated
-
Full reviewWebsite
Google Authenticator logo

Google Authenticator

Cybersecurity

Free TOTP two-factor authentication app that gained optional cloud sync in 2023

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Google Authenticator has a free tier, so it costs nothing to try first.
  • Each has a real cost: BigID pricing scales with data sources and volume, so the cost rises exactly as the estate you need to scan grows, and the modules shown in a demo, including AI security posture and headless deployment, are frequently separate licences that appear only in the final quote.; Google Authenticator enabling cloud sync moves the security boundary for your 2FA codes to your Google account, so a compromised Google account can expose the same codes syncing was meant to protect.
  • They diverge on capability: BigID covers Structured and unstructured scanning, Google Authenticator covers TOTP code generation.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which BigID and Google Authenticator actually diverge.

Attributes where BigID and Google Authenticator differ
AttributeBigIDGoogle Authenticator
Starting priceOn requestFree
Pricing modelquoteFree, no in-app purchases
Free tierNoYes
PlatformsWeb, API, Self-hostediOS, Android

Identical on both: user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in BigID

  • Structured and unstructured scanning
  • Identity correlation
  • Data security posture management
  • Access intelligence
  • Privacy request support
  • Retention and minimisation
  • AI data controls
  • Policy and remediation workflow

Only in Google Authenticator

  • TOTP code generation
  • QR code setup
  • Optional Google account sync
  • Offline generation
  • Manual entry

What people use each for

The jobs each tool is most often brought in to do.

BigID

  • A bank that has to prove which of thirty year old file shares contain customer identifiers before a data centre migrationnot Google Authenticator
  • A privacy team that cannot fulfil deletion requests because nobody knows which unstructured stores hold a given customer’s recordsnot Google Authenticator
  • A security team wanting to find sensitive data sitting in publicly readable object storage buckets before an attacker doesnot Google Authenticator
  • A company building retrieval augmented AI that must exclude regulated personal data from the index it feeds to a modelnot Google Authenticator

Google Authenticator

  • Someone setting up two-factor authentication on a website that asks for a TOTP appnot BigID
  • A user who wants codes to survive a lost or replaced phone via account syncnot BigID
  • Someone who prefers a simple, free, single-purpose authenticator over a password manager's built-in onenot BigID
  • A person migrating between phones who wants existing 2FA codes to transfer automaticallynot BigID

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

BigID

  • Pricing scales with data sources and volume, so the cost rises exactly as the estate you need to scan grows, and the modules shown in a demo, including AI security posture and headless deployment, are frequently separate licences that appear only in the final quote.
  • Scanning large unstructured estates is slow and computationally expensive, so most organisations sample rather than scan everything, which reintroduces uncertainty into the very question they bought the tool to settle.
  • Classification accuracy on messy unstructured content requires tuning, and out of the box false positives on things like reference numbers create a large triage backlog that a small governance team cannot clear.
  • It discovers and reports but does not remediate, so realising value requires a separate process and often separate tooling to actually delete, restrict or move the data it flags.
  • It is built for large enterprises and both the price and the administrative overhead are disproportionate below a few thousand employees, where a lighter DSPM tool covers the security use case for far less.

Google Authenticator

  • Enabling cloud sync moves the security boundary for your 2FA codes to your Google account, so a compromised Google account can expose the same codes syncing was meant to protect.
  • It has no built-in backup export in a portable format, so moving away from Google Authenticator to another app usually means resetting 2FA on every individual service.
  • It lacks organisational features such as folders, search or notes that some competing authenticator apps offer for people managing many accounts.
  • There is no desktop app, so codes must be read off a phone screen when logging in from a computer.
  • If sync is off and the phone is lost without a separate backup, all codes are unrecoverable and every linked account needs its 2FA reset through account recovery.

Pricing, plan by plan

BigID

On request
  • BigID Platform$undefined/year
    • Priced by number of data sources and data volume
    • Discovery and classification core
    • Optional DSPM, access intelligence and AI security modules licensed separately

Google Authenticator

Free
  • FreeFree
    • Unlimited accounts and codes
    • Optional Google account cloud sync
    • No ads

Which should you pick?

Choose BigID if

  • You need structured and unstructured scanning.
  • You work on Web, API, Self-hosted.
  • You also want identity correlation.
BigID review

Choose Google Authenticator if

  • You need totp code generation.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want qr code setup.
Google Authenticator review

Questions people ask

Is BigID or Google Authenticator better?
Neither clearly leads. BigID starts at On request and Google Authenticator at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BigID or Google Authenticator?
Google Authenticator has a free tier; the other does not. Paid plans start at On request for BigID and Free for Google Authenticator.
Does BigID or Google Authenticator run on more platforms?
BigID runs on Web, API, Self-hosted. Google Authenticator runs on iOS, Android.
Can I use Google Authenticator for free?
Yes. Google Authenticator has a free tier, so you can try it without paying. BigID starts at On request.
What is BigID best used for?
BigID is most often used for a bank that has to prove which of thirty year old file shares contain customer identifiers before a data centre migration, a privacy team that cannot fulfil deletion requests because nobody knows which unstructured stores hold a given customer’s records, a security team wanting to find sensitive data sitting in publicly readable object storage buckets before an attacker does, a company building retrieval augmented ai that must exclude regulated personal data from the index it feeds to a model. Of those, a bank that has to prove which of thirty year old file shares contain customer identifiers before a data centre migration and a privacy team that cannot fulfil deletion requests because nobody knows which unstructured stores hold a given customer’s records are not what Google Authenticator is typically brought in for.
What can BigID do that Google Authenticator cannot?
BigID covers Structured and unstructured scanning, Identity correlation, Data security posture management, Access intelligence. Google Authenticator covers TOTP code generation, QR code setup, Optional Google account sync, Offline generation.

Answered from the vendors’ own pages

BigID: What does BigID cost?

It is quoted by data source count and volume. Reported contracts run from roughly 15,000 to 175,000 US dollars a year, and add-on modules such as AI security posture are licensed on top.

Google Authenticator: Does Google Authenticator cost anything?

No, it is free with no subscription or in-app purchases.

BigID: Does it handle unstructured data?

Yes, and that is its main advantage. It classifies data in files and shares and correlates findings back to individuals, not just to data types.

Google Authenticator: Is cloud sync safe?

Google documents it as protected by your Google account security. Whether that is an acceptable trade-off versus device-only storage is debated; you can turn sync off if you prefer local-only codes.

BigID: Will it delete the data it finds?

Not by itself in most deployments. It identifies and routes findings; deletion and remediation happen through your own processes or connected systems.

Google Authenticator: Can I export my codes to another app?

There is no official bulk export; moving to a different authenticator typically requires re-adding each account from its setup page.

BigID: Is it a privacy tool or a security tool?

Both are sold from the same discovery core. Buyers increasingly come from security wanting data security posture management rather than from legal wanting privacy.

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