Comparison

auth. vs iLinux

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

Head to head
About

auth.

This app securely stores and manages your two-factor authentication codes in one place. It simplifies the process by allowing QR code scanning or link-based setup, ensuring your accounts remain protected.

Highlights
  • Unlimited account storage
  • QR code scanning
  • Link-based account addition
  • Offline running
  • Customizable timeout and auto-lock
  • Password and safe code storage
Features
Read full description

Are you looking for a simple and comfortable 2FA/MFA security solution for your account?  Auth. is a 2FA and OTP management tool for everyone.  Works with all Apple personal devices - based on iCloud Keychain technology. Steps: 1. Scan the QR Code 2. Done! You can also add your account via a link from your provider. Available Platform: - iPhone + Apple Watch - iPad - Mac + Safari (Extension) - Vision Pro - TV Features: - Unlimited account -- Key Space (Personal, Business, Secret) - Auto-fill (Safari on Mac Only) - Tap to scan (iPhone / iPad Only) - QR Code instant recognization (iPhone / iPad Only) - Copy to clipboard (iPhone / iPad / Mac) / Drag (Mac) - Open with auth. (Support Common URLs) - Customized timeout and auto-lock - Offline running - Store password and safe code and more...

About

iLinux

A comprehensive offline reference for Linux, Windows CMD Batch, and PowerShell commands. It offers detailed syntax, examples, and cross-platform equivalents, along with a daily quiz to reinforce learning. Customize your experience with themes and widgets.

Highlights
  • Extensive command library (1650+ entries)
  • Cross-platform command equivalents
  • Integrated daily quiz and progress tracking
  • Offline access, no ads or tracking
  • Customizable themes and widgets
  • URL Scheme and Shortcuts support
Features
Read full description

iLinux is a shell command reference and learning app for developers, operators, and terminal enthusiasts. It covers Linux, Windows CMD Batch, and PowerShell. Fully offline, no ads, no tracking. Carry a complete command handbook in your pocket. Core Features Command Library 1. 1650+ offline entries: 1050+ Linux CLIs, 300 CMD Batch commands, and 300 PowerShell cmdlets. Topics include filesystem, text, processes, networking, containers (docker, kubectl, helm), version control (git, gh), build tools (cargo, go, cmake), and Windows essentials such as dir, robocopy, netsh, winget, Get-ChildItem, and Get-Process. 2. Linux uses 14 categories; CMD and PowerShell each have their own layout for clearer cross-platform study. 3. Every command includes a concise summary and a Markdown article with syntax, flags, examples, and notes. Cross-Platform Equivalents 1. 100+ mapped groups across Linux, CMD, and PowerShell. Jump between ls, dir, and Get-ChildItem from the detail screen in one tap. 2. Learn the Windows counterpart while studying Linux, or the Linux side while on Windows. 3. Favorites can link across platforms so your study stays connected. Shell Platform Switcher 1. Switch among Linux, CMD Batch, or PowerShell from Commands, Categories, or Daily Quiz without extra tabs. 2. Search and browse stay scoped to the active platform. 3. Show all favorites or only favorites from the current platform in Settings. Fast Lookup 1. A to Z index and category browsing. 2. Global search across names, summaries, and article text. 3. List or grid layouts with adjustable columns on iPhone and iPad. 4. Copy commands and share polished command cards. An equivalents bar jumps to mapped commands on other platforms. Daily Quiz and Learning Progress 1. Daily quiz with option-meaning questions. Generic flags such as -h and --help are filtered out. 2. Quiz sets and scores are tracked separately per shell platform. 3. Reshuffle, streak tracking, and one-tap review from wrong answers back to command detail. 4. Favorites, recents, and a wrong-answer notebook. All progress stays on device. Home Screen Widgets, All Five 1. Daily command with manual shuffle. 2. Category spotlight, quiz glance, favorites glance, and wrong-book glance. 3. Pick the widget command library in Settings: Linux, CMD Batch, or PowerShell. Themes and Appearance 1. Fifteen curated accent presets, including Mountain Mist, Celadon Jade, Moonlit Blue, Misty Violet, Amber Glow, Aloeswood, and Jade Cream. 2. Custom accent color, light or dark mode, and alternate app icons on iPhone and iPad. 3. Widget titles and icons follow your accent color, with optional theme-matched gradient backgrounds. Languages 1. UI and command content in Simplified Chinese, Traditional Chinese, and English. 2. Content language can differ from UI language. All three shell libraries include trilingual summaries and articles. Productivity Shortcuts 1. URL Scheme and Shortcuts support for commands, quiz, and favorites, with an optional platform parameter. 2. Up to four customizable Home Screen quick actions when you long-press the app icon. 3. On iPad with a keyboard, Command+F opens search and Command+1 through 4 switch tabs. Privacy and Offline 1. The full command library works offline. No network required to read and learn. 2. No personal data collection, no ads, no third-party tracking. 3. The App Store public lookup API is used only when you manually check for updates. Whether you are new to Linux, a terminal power user, a developer comparing Windows and Linux commands, or an operator who needs a pocket reference on iPhone and iPad, iLinux is your shell command dictionary on the go. Built to teach and reference commands, not to emulate a terminal. Feedback and App Store ratings are welcome.

Screenshots

auth.4 screens
iLinux4 screens

Verdict

The call

The clearest difference is review sentiment: iLinux at 100% against auth.'s 58%. iLinux also leads on update cadence (every 5 days vs monthly) and price ($1.19 vs $3.99). auth.'s advantage is in-app purchases (none vs 1) and device support (5 vs 3). On ads, monetization model, chart position and iOS requirement 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

auth. costs $3.99 and iLinux $1.19 up front. iLinux sells 1 one-off in-app purchase. auth. asks for nothing beyond the download.

UpkeepUpdate frequency

auth. ships an update monthly, iLinux every 5 days. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 6 level
auth. versus iLinux: the parameters behind the verdict, then further details
Parameterauth.iLinux
Price$3.99$1.19 — better
Rating4.7 (6 ratings) — better—
Positive reviews58.3% of reviews100.0% of reviews — better
Number of ratings6 — better—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
Best chart rank#181 — better#184
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, iPad, Mac
Requires iOS16.016.0
Further details — not scored
Size38 MB72 MB
Age rating4+4+
DeveloperChakMing Wong天从 何

Customer experience

auth.

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive58.3%
Neutral16.7%
Negative25.0%

iLinux

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

auth.

No in-app purchases

1 purchases

iLinux

One-time1
  • Reward developers$0.99

Questions

Is auth. free?
auth. costs $3.99, with no in-app purchases.
Is iLinux free?
iLinux costs $1.19, and also offers in-app purchases.
Do auth. or iLinux have ads?
Neither auth. nor iLinux shows ads.
Which is updated more often, auth. or iLinux?
auth. ships an update monthly, and iLinux every 5 days. Most recently, auth. was updated on October 1, 2026 and iLinux on September 24, 2026.
Which is more popular, auth. or iLinux?
auth. currently peaks at #181 in the App Store charts, and iLinux at #184. Chart position reflects recent download velocity rather than total install base.

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