Comparison

Authenticator App vs Todo

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

Head to head
About

Authenticator App

This app generates secure two-factor authentication tokens to protect your online accounts. It offers encrypted cloud backups and multi-device synchronization for easy recovery and access. The app works offline and can be secured with a PIN or biometric lock.

Highlights
  • Secure 2FA token generation
  • Encrypted cloud backups
  • Multi-device synchronization
  • Offline functionality
  • PIN and biometric lock
Features
Read full description

Authenticator App: 2FA・MFA・OTP delivers secure two-factor authentication codes for your accounts, keeping your online services protected with reliable TOTP generation. Simple, fast, and privacy-focused — perfect for securing logins without internet dependency. Key Features: - Generate TOTP codes for your accounts - Easy QR code scanning for quick account setup - Biometric security with Face ID or Touch ID - Secure cloud backup and data recovery - Offline functionality for use anywhere - Minimalist design for instant access Stay protected across all your services with Authenticator App: 2FA・MFA・OTP — your trusted companion for effortless account security. 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. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use & Privacy Policy: https://docs.google.com/document/d/1-bRMtRSuH0pLoMZIwI69CA441mkxM0Cj0xaw91mEhTA/edit?usp=sharing https://docs.google.com/document/d/1-V6vBYQxi7tUSy_X5TVwc6skbLVyXHrjANNyCwFCOHU/edit?usp=sharing

About

Todo

Features
Read full description

Todo: Task Tracker — the fast, private to-do list and reminder app that keeps you on schedule. ALARM-STYLE REMINDERS THAT WON'T LET YOU FORGET • Time-sensitive alerts with sound and badge • 3 built-in alarm tones (Gentle Chime, Bright Beeps, Urgent Siren) with preview • Snooze 5 or 10 minutes, or mark done right from the banner • Re-ring until stopped: dismissed alarms fire again every 5 minutes EVERYTHING A TASK MANAGER SHOULD HAVE • Today, Upcoming, All and Completed views • Custom lists, priorities, notes, tags and recurrence • Powerful search, filters and sorting with undo support • Stats and streaks that keep you motivated • Export and import via JSON and CSV PRIVATE BY DESIGN • 100% on-device — no account, no sign-in, no server • No analytics, no ads, no tracking of any kind • Works offline; your tasks never leave your iPhone or iPad BUILT FOR APPLE PLATFORMS • Bottom tabs on iPhone, 3-column layout on iPad • Dark Mode, VoiceOver, Dynamic Type and haptics • Local notifications with full control Download Todo: Task Tracker and never miss what matters.

Screenshots

Authenticator App4 screens
Todo4 screens

Verdict

The call

The clearest difference is in-app purchases: Todo at none against Authenticator App's 15. On price, ads, device support 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

Both are free to download. Authenticator App sells 15 in-app purchases, starting at $4.99 per 7 days. Todo asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Authenticator App versus Todo: the parameters behind the verdict, then further details
ParameterAuthenticator AppTodo
PriceFreeFree
Rating4.3 (213 ratings) — better—
Positive reviews61.5% of reviews—
Number of ratings213 — better—
Update frequencyEvery 8 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17 — better18.0
Further details — not scored
Size48 MB3 MB
Age rating4+4+
DeveloperAuthentication ServicesRahul kumar

In-app purchases

15 purchases

Authenticator App

Subscriptions15
  • Digital Security Authenticator3 Days trial$4.997 Days
  • Enhance online security3 Days trial$5.997 Days
  • Generate one-time passwords$5.997 Days
Show 12 more
  • Smart Authenticator3 Days trial$6.997 Days
  • One-Time Password Generator$7.997 Days
  • Secure Code Generator3 Days trial$7.997 Days
  • One-Time Security Code App3 Days trial$9.997 Days
  • Smart Code Authenticator3 Days trial$11.997 Days
  • 2FA App$14.991 Month
  • Secure Verification Generator3 Days trial$19.991 Month
  • Secure your accounts$19.991 Month
  • Account protection Authenticator3 Days trial$29.991 Month
  • Secure your accounts$39.991 Year
  • Safe Login Code Generator3 Days trial$49.991 Year
  • One-Time Password$59.991 Year
None

Todo

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is Todo free?
Todo is free to download, with no in-app purchases.
Do Authenticator App or Todo have ads?
Neither Authenticator App nor Todo shows ads.

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