Comparison

OTP Auth vs ChMirror

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

Head to head
About

OTP Auth

Generate and manage two-factor authentication codes offline. Organize accounts with custom groups, search, and widgets. Securely store keys and choose your preferred protection methods.

Highlights
  • Offline code generation
  • QR code scanning
  • Custom account groups
  • Search functionality
  • Home Screen and Lock Screen widgets
  • Apple Watch app
  • Biometric app lock
Features
Read full description

Keep your two-factor codes in one place. OTP Auth is an authenticator for iPhone and iPad that generates verification codes offline and helps you find the right account with groups and search. Generate codes, even offline • Add accounts by scanning a QR code, reading one from an image, or entering a setup key manually. • Generate TOTP and HOTP codes without an internet connection after setup. • See the countdown for time-based codes and tap to copy. Keep accounts organized • Separate work and personal accounts with custom groups. • Drag to reorder and search by name. • Choose icon symbols and colors, with light and dark themes. Codes within reach • View TOTP codes in Home Screen and Lock Screen widgets, or on Apple Watch. • Search accounts and add favorites on Apple Watch. • Lock Screen widgets require iOS 16 or later. Choose your protection • Authentication keys are stored in the device's system Keychain. • Enable the Face ID or Touch ID app lock and choose to hide codes by default. Premium: sync, back up and transfer The following features require an in-app purchase: • iCloud sync: sync authentication accounts between devices. • Encrypted backups: export a password-protected backup and import it when moving to a new device. • Account transfers: import supported authenticator backup files or transfer QR codes. • Service logos: match accounts with their services' icons. Code generation, QR setup, groups, search, icon symbols and colors, widgets, and Apple Watch features are free to use. Works with websites and services that support TOTP or HOTP. Enable two-factor authentication with the service before adding its account to OTP Auth.

About

ChMirror

Mirror your Apple device screens in real-time to another device. Capture content with screenshots or record videos in MP4 format. Unlock advanced features with various subscription options.

Highlights
  • Real-time screen mirroring
  • Screenshot capture
  • Video recording (MP4)
  • Supports iPhone, iPad, Mac, Apple TV
  • Save screen content
Features
Read full description

Welcome to ChMirror, a powerful app designed to effortlessly enhance your entertainment experience. It allows you to easily take screenshots and record videos of your Apple TV screen, while also supporting AirPlay to seamlessly receive screen casting from other devices. Whether you want to share memorable moments or present important content, ChMirror has you covered. === Key Features === 1. Screenshots: Capture moments on your Apple TV screen with a single tap and save them as high-quality images for easy sharing or storage. 2. Video Recording: Record high-quality videos of your Apple TV screen, whether you're watching movies, playing games, or giving presentations. Easily share or save them online. 3. Simple and Intuitive Interface: ChMirror features a clean and user-friendly interface, making it easy for anyone to get started. === User Feedback === We value your feedback. Please contact us using the methods below to help us continuously improve and enhance your experience. === Compatibility === ChMirror supports the latest versions of Apple TV, ensuring you can fully enjoy all features. Download ChMirror now and discover a new way to use Apple TV, capturing more amazing moments! === Others === Features such as screen mirroring require a purchase to unlock. You can subscribe monthly/yearly or purchase a lifetime membership. Privacy Policy: https://www.termsfeed.com/live/8d4ee817-b6c1-4559-b9d0-c6efa7286e37 Terms of Use: http://www.apple.com/legal/itunes/appstore/dev/stdeula

Screenshots

OTP Auth4 screens
ChMirror2 screens

Verdict

The call

OTP Auth and ChMirror both sit at 3.4 stars, but that hides the real split: 50% of ChMirror's written reviews are positive against 0% of OTP Auth's. ChMirror also leads on update cadence (every 3 weeks vs every 6 months). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OTP Auth sells 1 one-off in-app purchase and ChMirror sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.4 for OTP Auth against 3.4 for ChMirror. Both are backed by a comparable volume of ratings — 19 and 14 respectively. Written reviews are what separate them: 0% of OTP Auth's written reviews are positive against 50% of ChMirror's.

UpkeepUpdate frequency

OTP Auth ships an update every 6 months, ChMirror every 3 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
OTP Auth versus ChMirror: the parameters behind the verdict, then further details
ParameterOTP AuthChMirror
PriceFreeFree
Rating3.4 (19 ratings)3.4 (14 ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings19 — better14
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size11 MB7 MB
Age rating4+4+
Developer浩 王龙 陈

Customer experience

OTP Auth

All ratings19 ratings
Positive57.9%
Neutral5.3%
Negative36.8%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ChMirror

All ratings14 ratings
Positive64.3%
Neutral0.0%
Negative35.7%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

OTP Auth

One-time1
  • OTPAuth Premium$1.99
3 purchases

ChMirror

Subscriptions2
  • Monthly Membership3 Days trial$0.991 Month
  • Annually Membership7 Days trial$2.991 Year
One-time1
  • Lifetime Memebership$3.99

Questions

Is OTP Auth free?
OTP Auth is free to download, with in-app purchases available.
Is ChMirror free?
ChMirror is free to download, with in-app purchases available.
Which has better reviews, OTP Auth or ChMirror?
ChMirror is rated higher. OTP Auth averages 3.4 out of 5 from 19 ratings, while ChMirror averages 3.4 from 14 ratings.
Do OTP Auth or ChMirror have ads?
Neither OTP Auth nor ChMirror shows ads.
Which is updated more often, OTP Auth or ChMirror?
OTP Auth ships an update every 6 months, and ChMirror every 3 weeks. Most recently, OTP Auth was updated on November 3, 2026 and ChMirror on October 24, 2026.

Other comparisons