Authenticator vs Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Authenticator
Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.
- Organize 2FA tokens and passwords
- Offline code generation
- Built-in secure browser
- Manage existing codes and passwords (free)
- Unlimited code/password creation (premium)
- Face ID access
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Auth Master – Secure 2FA & Password Management Effortlessly organize and protect your two‑factor authentication tokens and passwords all in one place. Auth Master keeps your sensitive data safe on your iPhone — no network needed for codes, plus a built‑in secure browser for private browsing on the go. Free Features: – View, edit, rename, and delete your existing 2FA codes – View, edit, rename, and delete your stored passwords – Access full Settings suite: 1. Rate the app 2. Share Auth Master with friends 3. Contact us via email 4. View Privacy Policy & Terms of Use 5. Restore purchases 6. Set or change your app passcode 7. Enable Face ID for instant access Premium Features (subscription required): – Add and create unlimited 2FA codes (via QR‑scan or manual Secret Key entry) – Save and generate unlimited passwords – Browse securely with our in‑app encrypted browser (no history saved) Subscription Plans: – Weekly: $4.99 – Monthly: $17.99 – Annual: $49.99 Adding and creating 2FA codes, adding passwords, and secure browsing require an active subscription. Viewing, editing, and deleting existing codes and passwords and all Settings features are always free. Payment is charged to your iTunes account at confirmation. Subscriptions auto‑renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your iTunes Account Settings. Privacy Policy: https://telegra.ph/Privacy-Policy-for-2FA-Authenticator-07-22 Terms of Use: https://telegra.ph/2FA-Authenticator-Terms-of-Use-07-22
Ruler
Transform your phone into a precise measuring tool for any task. Accurately measure small objects on your screen or larger items using augmented reality. Save your measurements and switch between units effortlessly.
- Dual measurement modes (screen/AR)
- Supports inches, centimeters, millimeters
- Fast and accurate results
- Measurement history saving
- Intuitive user interface
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Measure Anything, Anywhere—Instantly! Ditch the tape measure! Turn your phone into a powerful precision tool that fits right in your pocket. Whether you're hanging artwork, shopping for furniture, or tackling DIY projects, get accurate measurements in seconds. Why You'll Love It: 1. Dual Measurement Modes – Use your screen for small objects or AR camera for larger items 2. Universal Units – Seamlessly switch between inches, centimeters, and millimeters 3. Lightning-Fast Results – No setup, no hassle—just point and measure 4. Measurement History – Never lose track! Save and revisit all your measurements instantly 5. Crystal-Clear Design – Beautiful interface that anyone can master in seconds Perfect For: -Home improvement and DIY projects - Furniture shopping and room planning - Crafts, sewing, and creative work - Professional contractors and designers - Everyday quick measurements Get Unlimited Access: - Weekly Plan: $4.99/week with a 3-day FREE trial - Annual Plan: Just $19.99/year (Best Value!) Download now and never be caught without a ruler again! Payment charged to iTunes Account at purchase confirmation. Subscription auto-renews unless cancelled 24 hours before period ends. Manage subscriptions in iTunes Account settings. Privacy Policy: https://docs.google.com/document/d/1rI3fnxwWA-0x2lp5cD4D_XVscsq-xmo4NaXoUM_9qlQ/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/15w3N4DqRNjGFrUpbeaxzNEOhz9Owq0NLnhlG_Ej71Uo/edit?usp=sharing
Screenshots
Verdict
The clearest difference is ads: Ruler at none against Authenticator's shown. Authenticator's advantage is rating (4.5 vs 4.3) and iOS requirement (14.0 vs 16.0). On price, ratings volume, update cadence and in-app purchases 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
Both are free to download. Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days and Ruler sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Authenticator holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 25 and 36 respectively.
Authenticator ships an update weekly, Ruler every 6 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.
| Parameter | Authenticator | Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (25 ratings) — better | 4.3 (36 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 25 | 36 — better |
| Update frequency | Weekly | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 73 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | Timon Scherzinger | URVO PIIRISILD |
Customer experience
Authenticator
Ruler
In-app purchases
Authenticator
- Weekly3 Days trial$4.997 Days
- Monthly$17.991 Month
- Yearly$49.991 Year
Ruler
- Ruler – Measure Tool3 Days trial$4.997 Days
- Ruler – Measure Tool$19.991 Year
Questions
Is Authenticator free?
Is Ruler free?
Which has better reviews, Authenticator or Ruler?
Do Authenticator or Ruler have ads?
Which is updated more often, Authenticator or Ruler?
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