Penlight. vs Authenticator App ···
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Penlight.
This app provides a digital penlight with adjustable brightness and a built-in ruler for quick measurements. It also features color inversion for different examination needs and easy calibration using a credit card.
- Adjustable digital penlight brightness
- Credit card calibration for accuracy
- Color inversion for light/dark modes
- Metric and imperial ruler
- Educational examination tool
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Key Features: - Digital Penlight: Adjustable brightness slider for precise illumination - Easy Calibration: Quickly calibrate with a credit card to for accurate measurements - Color Inversion: Easily switch between light and dark modes for different examination needs - Ruler: Metric and imperial ruler for quick measurements Disclaimer: This app is intended for educational purposes only. It is not to be used for the diagnosis or treatment of any medical condition.
Authenticator App ···
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Strengthen your account security with Authenticator app. Authenticator App helps you to secure all your online accounts. Authenticator app is a TOTP-based (Time-Based One-Time Password) authentication app designed to add an extra layer of security to your online accounts. Easily generate time-sensitive codes and protect your logins from unauthorized access. Compatible with services like Google, Microsoft, Facebook, Instagram, Amazon, Coinbase, Authy, Roblox and many more. Key Features: -Secure TOTP Generation – Works with any service supporting time-based OTP authentication. -Simple & Fast Setup – Scan QR codes or manually add accounts. -Import your accounts from Photos, URL, Manualy and other apps. -Unlock with Face ID & Touch ID. -Backup to iCloud. -Easily restore codes when you sqitch or lose devices. -Securely Sync codes across all your Apple Devices. -Import or Export your accounts for private storage. -Works on iPhone, iPad and Mac. -Share your account all ios devices with iCloud sync. -Multiple Account Support – Store and manage all your 2FA accounts in one place. -User-Friendly Interface – Clean design with dark mode support. -Supports English, Turkish, German, French, Italian, and Spanish. -Privacy-Focused – No ads, no tracking, just security. Protect your online identity today with Authenticator app! Subscription Terms: Authenticator offers an auto-renewing weekly or yearly subscription to provide you with unlimited access to all Premium Features while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Support We constantly improve our app, don't hesitate to contact us at bertan.artan@icloud.com to request a missing feature or an improvement. Links - Privacy Policy: https://authenticatorapp.app/privacy.html - Terms of Use (EULA): https://authenticatorapp.app/terms.html
Screenshots
Verdict
The clearest difference is price: Authenticator App ··· at Free against Penlight.'s $1.99. Authenticator App ··· also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). Penlight.'s advantage is in-app purchases (none vs 2). On update cadence and ads 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
Authenticator App ··· is free to download; Penlight. costs $1.99 up front. Authenticator App ··· sells 2 in-app purchases, starting at $4.99 per 7 days. Penlight. asks for nothing beyond the download.
Penlight. ships an update daily, Authenticator App ··· every 3 days. The most recent releases landed on September 14, 2026 and October 5, 2026 respectively.
| Parameter | Penlight. | Authenticator App ··· |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Daily — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | My Call Bag LLC | Aybat Bertan Artan |
In-app purchases
Penlight.
No in-app purchases
Authenticator App ···
- 1-Week Premium$4.997 Days
- 1-Year Premium3 Days trial$49.991 Year
Questions
Is Penlight. free?
Is Authenticator App ··· free?
Do Penlight. or Authenticator App ··· have ads?
Which is updated more often, Penlight. or Authenticator App ···?
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