Comparison

LUX vs Bitwarden Authenticator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LUX

Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.

Highlights
  • Instant lux measurement
  • Color temperature (CCT) reading
  • Foot-candle unit toggle
  • Min/Avg/Max lux tracking
  • Measurement history (Premium)
  • CSV export (Premium)
Features
Read full description

LUX is a light meter app that measures illuminance (lux) wherever you are. Open the app and instantly see how bright your space is. When to use it - Check lighting in your living room, office, or study area - Set up photography or video shoots - Compare brightness between rooms or times of day - Verify light levels for plants or aquariums - Confirm any task has the right brightness Features - Instant measurement on launch - Hold the value or freeze the screen - Color temperature (CCT / Kelvin) measurement - Auto-recorded Min / Avg / Max lux during a session - Foot-candle (fc) unit toggle - Compare with reference levels by scene (some features need Premium) - Measurement history (Premium) - CSV / PDF export (Premium) - PPFD / DLI calculation for plants (Premium) - Continuous logging with charts (Premium) Measurements are processed on-device. Terms of Use: https://kojitorishima.org/en/products/lux/terms/ Privacy Policy: https://kojitorishima.org/en/products/lux/privacy/

About

Bitwarden Authenticator

Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.

Highlights
  • Generate 2FA verification codes
  • Supports TOTP standard
  • Universal compatibility
  • Simple, intuitive interface
  • Adds extra layer of protection
Features
Read full description

New from Bitwarden, provider of the password manager trusted by millions, Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts. Using industry-standards, Bitwarden Authenticator supports any website or application that uses TOTP. ADD AN EXTRA LAYER OF PROTECTION Generate verification codes to ensure your identity is verified, keeping your sensitive data out of reach of imposters. UNIVERSAL COMPATIBILITY Bitwarden Authenticator uses industry standard methods for verification code generation, so it will work with any website or application that utilizes time-based one-time passwords. EASY TO USE A simple, intuitive design and straightforward interface makes it easy to start incorporating authentication into your digital life Bitwarden empowers organizations to secure passwords, developer secrets, and passkeys. Visit Bitwarden.com to learn more about Bitwarden Password Manager, Bitwarden Secrets Manager and Bitwarden Passwordless.dev!

Screenshots

LUX4 screens
Bitwarden Authenticator4 screens

Verdict

The call

The clearest difference is in-app purchases: Bitwarden Authenticator at none against LUX's 2. Bitwarden Authenticator also leads on ads (none vs shown) and device support (3 vs 1). LUX's advantage is review sentiment (60% vs 41%). On price and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LUX sells 2 in-app purchases, starting at $1.99 per month. Bitwarden Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

LUX ships an update every 2 weeks, Bitwarden Authenticator fortnightly. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
LUX versus Bitwarden Authenticator: the parameters behind the verdict, then further details
ParameterLUXBitwarden Authenticator
PriceFreeFree
Rating—3.5 (95 ratings) — better
Positive reviews60.0% of reviews — better40.8% of reviews
Number of ratings—95 — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size17 MB71 MB
Age rating4+4+
Developerkoji torishimaBitwarden Inc

Customer experience

LUX

Written reviews10 reviews
Positive60.0%
Neutral10.0%
Negative30.0%

Bitwarden Authenticator

All ratings95 ratings
Positive56.8%
Neutral11.6%
Negative31.6%
Written reviews157 reviews
Positive40.8%
Neutral22.3%
Negative36.9%

Bugs and requests

LUX

Not enough reviews yet to summarise bugs or requests.

Bitwarden Authenticator

Reported bugs

3 issues
  • Search results showing placeholder codes
  • Backup not restoring codes after device restore
  • Crashes after app updates

Requested features

5 requests
  • Add icons for services
  • Allow rearranging of entries
  • Implement iCloud/cloud sync
  • Add Apple Watch support
  • Require biometric authentication on each app open

In-app purchases

2 purchases

LUX

Subscriptions2
  • Monthly Plan7 Days trial$1.991 Month
  • Yearly Plan7 Days trial$11.991 Year
None

Bitwarden Authenticator

No in-app purchases

Questions

Is LUX free?
LUX is free to download, with in-app purchases available.
Is Bitwarden Authenticator free?
Bitwarden Authenticator is free to download, with no in-app purchases.
Do LUX or Bitwarden Authenticator have ads?
LUX shows ads; Bitwarden Authenticator does not.
Which is updated more often, LUX or Bitwarden Authenticator?
LUX ships an update every 2 weeks, and Bitwarden Authenticator fortnightly. Most recently, LUX was updated on October 24, 2026 and Bitwarden Authenticator on October 24, 2026.

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