Comparison

Cipher Authenticator vs Luma Sleep

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

Head to head
About

Cipher Authenticator

Features
Read full description

Cipher - Offline 2FA Authenticator Secure your logins with privacy-first two-factor authentication. Cipher is a local-first authenticator app designed to keep your 2FA codes truly private and within your control. It generates time-based one-time passwords (TOTP) entirely on your device - no accounts, no cloud sync, and no external storage. Your authentication secrets are encrypted and stored locally using secure iOS technologies. Cipher never uploads or shares your data - not even for backups - ensuring that only you have access to your 2FA codes. --- Why Cipher In a world where privacy often takes a back seat, Cipher puts you firmly in charge of your security. It’s a lightweight, modern alternative to cloud-based authenticators, offering the same reliability with none of the data trade-offs. Cipher doesn’t require sign-up or internet access. Every code is generated and stored offline, so even if your device is disconnected, your authentication still works seamlessly. --- Key Features Offline TOTP generation - Works anywhere, without network dependency. Local encrypted storage - All secrets are securely stored on your device using industry-standard encryption. Add and manage accounts - Quickly add, rename, and delete 2FA entries. Optional biometric protection - Lock access to Cipher using Face ID or Touch ID for an added layer of safety. Simple, clean interface - Focused on usability, not clutter. Zero telemetry or tracking - Cipher collects no analytics, identifiers, or personal data. Lightweight and efficient - Designed to be fast, secure, and battery-friendly. --- Privacy by Design Cipher was built from the ground up around one principle: your data should stay yours. Unlike traditional 2FA apps that depend on online sync or user accounts, Cipher functions entirely offline. The app does not connect to external servers or log user behavior. Your secrets are encrypted and stored only on your device’s secure storage. We believe privacy isn’t a feature - it’s the foundation. Cipher doesn’t ask for unnecessary permissions or collect any form of analytics. What happens inside your device stays there. --- Designed for Everyone Whether you’re securing your personal accounts, developer tools, or business apps, Cipher makes two-factor authentication effortless and dependable. The minimal design ensures you spend less time managing codes and more time focusing on what matters. Even without cloud sync or recovery, Cipher makes adding and managing accounts fast and intuitive. You stay in full control at all times. --- Your Security, Your Control With Cipher, your two-factor authentication experience remains private, fast, and entirely offline. It’s a secure, simple way to protect your accounts - without giving up your data.

About

Luma Sleep

This app provides a system-wide red light filter to reduce eye strain and screen discomfort at night. It offers sub-zero brightness and quick controls, integrating with iOS Shortcuts for seamless application across all your apps.

Highlights
  • System-wide red light filter
  • Dim screen below 0% brightness
  • Integrates with iOS Shortcuts
  • Quick controls via widgets
  • Reduces eye strain at night
Features
Read full description

One of the first system-wide red light filters on the App Store. Is your screen still too bright at night, even at 0% brightness? Late-night scrolling and reading can cause eye strain and discomfort in dark rooms. Luma Sleep is a nighttime screen tool designed to reduce harsh light and make your device more comfortable to use after dark. Unlike apps that work only inside a browser, Luma integrates with iOS Shortcuts to apply filters across your entire system — including social apps, messages, and the Lock Screen. FREE FEATURES • Red Light Mode — Apply a soothing red screen tint for nighttime use • Sub-Zero Brightness — Dim your screen beyond the standard iOS limit • Quick Controls — Toggle instantly from widgets or shortcuts HOW IT WORKS Luma uses a simple setup process built on native iOS accessibility features. No jailbreak. No risky system modifications. Just smooth, native performance. Luma is free to download, with optional upgrades available. Protect your eyes. Read comfortably at night. Use your screen with less strain.

Screenshots

Cipher Authenticator4 screens
Luma Sleep3 screens

Verdict

The call

The clearest difference is in-app purchases: Cipher Authenticator at none against Luma Sleep's 2. Cipher Authenticator also leads on iOS requirement (13.0 vs 17.6). Luma Sleep's advantage is update cadence (weekly vs every 4 months). On price, ads and device support 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. Luma Sleep sells 2 in-app purchases, starting at $1.49 per month. Cipher Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

Cipher Authenticator ships an update every 4 months, Luma Sleep weekly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Cipher Authenticator versus Luma Sleep: the parameters behind the verdict, then further details
ParameterCipher AuthenticatorLuma Sleep
PriceFreeFree
Rating—4.0 (28 ratings) — better
Positive reviews—28.6% of reviews
Number of ratings—28 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size38 MB15 MB
Age rating12+4+
DeveloperSiddharth PatankarSachin Kumar

In-app purchases

None

Cipher Authenticator

No in-app purchases

2 purchases

Luma Sleep

Subscriptions1
  • Luma Pro$1.491 Month
One-time1
  • Lifetime Access$19.99

Questions

Is Cipher Authenticator free?
Cipher Authenticator is free to download, with no in-app purchases.
Is Luma Sleep free?
Luma Sleep is free to download, with in-app purchases available.
Do Cipher Authenticator or Luma Sleep have ads?
Neither Cipher Authenticator nor Luma Sleep shows ads.
Which is updated more often, Cipher Authenticator or Luma Sleep?
Cipher Authenticator ships an update every 4 months, and Luma Sleep weekly. Most recently, Cipher Authenticator was updated on September 27, 2026 and Luma Sleep on October 7, 2026.

Other comparisons