Comparison

Otpkey Authenticator vs Poly

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

Head to head
About

Otpkey Authenticator

Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.

Highlights
  • Multi-factor authentication
  • Offline OTP generation
  • QR code scanning and export
  • Biometric authentication support
  • Clipboard code copying
  • Widget and Watch App support
Features
Read full description

Otpkey Authenticator generates one-time passwords for two-factor authentication on iPhone, iPad, Mac and Apple Watch, and keeps them in sync through iCloud Keychain. It works completely offline. No account, no server: your secrets stay in the system Keychain on your devices, protected by your passcode, Face ID or Touch ID. Otpkey Authenticator works with every service that supports standard TOTP or HOTP codes, including Google, Microsoft, Amazon, GitHub, Facebook, X, Dropbox, Discord, PayPal, AWS, Synology and many more. Switching from Google Authenticator? Scan its "Export accounts" QR code and all of your accounts are imported at once. Features ======= - Available for iPhone, iPad, Mac and Apple Watch, synced through iCloud Keychain - Folders and search to organize many accounts - Scan QR codes to add accounts - Import all accounts from a Google Authenticator export QR code - Export any account as a QR code - Encrypted, password-protected backup and restore (PEM file format) - Face ID / Touch ID lock - Hide codes on screen, copy with one tap - Custom account icons - iOS: Home Screen widgets (small, medium and large) - iOS: Apple Watch app with complication - macOS: Lives in the menu bar, always one click away - macOS: Scan QR codes straight from the screen - macOS: Launch at login, auto hide - macOS: Drag and drop Specifications =========== - Type: Time-based (TOTP), Counter-based (HOTP) - Algorithm: SHA-1, SHA-256, SHA-512 - Digits: 6, 8, 10 - Period: 30, 60 seconds Standards ======= TOTP - Time-based One-Time Password Algorithm (RFC 6238) HOTP - HMAC-Based One-Time Password Algorithm (RFC 4226)

About

Poly

Features
Read full description

Poly-PDF — Scanner, PDF Editor & Annotator Pay once, own it forever — no subscriptions, no in-app purchases, no surprises. Poly-PDF is a complete PDF editor for iPhone and iPad. Edit text directly on the page, annotate documents, fill forms, sign, and organize your files. EDIT TEXT IN PLACE Tap any text on a PDF and start typing. PolyPDF lets you edit the actual content of a document right on the page, preserving the original font, size, and layout. Change a date, fix a typo, or rewrite a paragraph. ANNOTATE ANYTHING Add sticky notes, text boxes, shapes, arrows, and freehand ink drawings anywhere on a page. Highlight, underline, or strikethrough selected text. Every annotation is saved directly into the PDF so it opens correctly in any other app. FILL FORMS & SIGN Tap any form field to fill it in. Add your signature from a saved library or draw a new one. Insert images and stamps with a single tap. SHAPES & DRAWING Draw rectangles, ovals, lines, and arrows with full control over stroke color, fill color, and line width. Sketch freely with the pen tool or highlight with the highlighter. Smart alignment guides help you center and align objects on the page. ORGANIZE YOUR LIBRARY Keep your PDFs tidy with folders, search, and sort options. Drag a file onto a folder to move it instantly. Open PDFs directly from iCloud Drive and save changes back in place. SCAN DOCUMENTS Turn paper into PDFs with the built-in document scanner. Scan multi-page documents in seconds and save them straight to your library. POWERFUL PAGE TOOLS Reorder, rotate, insert, and delete pages. Export a clean flattened copy of any document. Redact sensitive information permanently with the redaction tool. BUILT FOR iPAD Open two documents side by side in split view with synchronized scrolling. Use the full-screen reading mode for distraction-free viewing. Keyboard shortcuts make editing faster than ever. MORE FEATURES · Table of contents navigation · Bookmarks and go-to-page · Full-text search across pages · Password-protected PDF support · Dark mode support · Undo and redo for all edits · Works entirely offline — no account required Poly-PDF is built for people who work with documents every day. Whether you're reviewing contracts, editing reports, filling out forms, or marking up study notes, Poly-PDF gives you the tools to get it done — right on your device.

Screenshots

Otpkey Authenticator4 screens
Poly4 screens

Verdict

The call

The clearest difference is price: Otpkey Authenticator at Free against Poly's $2.99. Otpkey Authenticator also leads on device support (5 vs 2) and iOS requirement (13.0 vs 17.0). Poly's advantage is update cadence (every 2 weeks vs every 2 months). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Otpkey Authenticator is free to download; Poly costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Otpkey Authenticator ships an update every 2 months, Poly every 2 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Otpkey Authenticator versus Poly: the parameters behind the verdict, then further details
ParameterOtpkey AuthenticatorPoly
PriceFree — better$2.99
Rating1.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size22 MB19 MB
Age rating4+4+
DeveloperCertchip CorpGerman Alfonso Torres

In-app purchases

None

Otpkey Authenticator

No in-app purchases

None

Poly

No in-app purchases

Questions

Is Otpkey Authenticator free?
Otpkey Authenticator is free to download, with no in-app purchases.
Is Poly free?
Poly costs $2.99, with no in-app purchases.
Do Otpkey Authenticator or Poly have ads?
Neither Otpkey Authenticator nor Poly shows ads.
Which is updated more often, Otpkey Authenticator or Poly?
Otpkey Authenticator ships an update every 2 months, and Poly every 2 weeks. Most recently, Otpkey Authenticator was updated on October 2, 2026 and Poly on October 5, 2026.

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