Comparison

Authenticator App vs InstaLM

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 provides two-factor authentication by generating time-based one-time passwords (TOTP) and push authentication. It adds an extra layer of security to your online accounts by creating unique codes that help protect against unauthorized access.

Highlights
  • Two-factor authentication
  • TOTP & HOTP token generation
  • 30 & 60 second tokens
  • QR code scanner
  • Password protection for tokens
  • No internet connection required for codes
Features
Read full description

"The 2FA Authenticator App is a free software that provides two-factor authentication by creating time-based one-time passwords (TOTP) and push authentication. By implementing TOTP on websites, it helps maintain the security of your online accounts with an extra layer of protection. With the 2FA Authenticator App, the generated one-time tokens add an additional degree of security to your online accounts. By simply scanning a QR code, your account is secured. Using this 2FA Authenticator app on websites that accept TOTP helps keep your online accounts safe from hackers. Moreover, to further protect your one-time tokens, you can use password protection. Once your account is set up for TOTP authentication using the Mobile Authenticator, all you have to do is copy and paste the code into your account to use the 2FA Authenticator. It’s that easy! The 2FA Authentication app is a reliable Two Factor Authentication tool that generates Time-based One-time token passwords (TOTP) to keep your online accounts secure on supporting TOTP websites. With 2-Step Verification, you’ll need a second step of verification, such as a code generated by the Authenticator app on your phone, in addition to your password to access your online account. The generated codes provide an additional layer of security by acting as one-time tokens that safeguard your online accounts. Simply scan a QR code and your account is secure. The 2FA Authenticator app is a trusted tool to help you maintain the security of your online accounts on supporting TOTP websites. > Two Factor Authentication TOTP & HOTP Tokens Generator Generate 30 & 60 seconds Tokens QR Code Scanner for Adding Tokens User Manual or How to use Advanced Security for Screenshot Capturing( Do not allow Screenshot capture in 2FA Authenticator app) Get the all new 2FA Authentication app for FREE!!! This app creates unique codes that provide an additional layer of security for your online accounts. After scanning a QR code, your account is safeguarded. The 2FA Authenticator aids in securing your accounts on TOTP-supported websites. By using the Mobile Authenticator, your account is registered for TOTP Authentication, and you simply have to copy and paste the code to complete the process. Similar to other well-known authenticator apps (which shall remain unnamed), this 2FA Authenticator app generates one-time password codes that work with numerous online accounts and even function without an internet connection. However, it includes several improvements, including the ability to backup your accounts to your preferred cloud service, transfer them seamlessly to a new device, or even share them with others. The Mobile (2FA Authenticator) app generates Time-based One-time Passwords (TOTP) and PUSH authentication. These one-time tokens are produced on your device and used in combination with your password to protect your accounts from hackers, providing an unbreachable level of security. By enabling two-factor authentication in your account settings, scanning the QR code provided, and pasting the code, you can ensure that your online accounts are fully secured. • Easily identify accounts by their corresponding 2FA Authenticator app icons • Conveniently copy one-time passcodes to your clipboard • Safely back-up and restore your accounts • Seamlessly share your accounts by scanning a QR code • Add an extra layer of security by authorizing with your fingerprint before sharing or creating back-ups • Keep your accounts secure with encrypted storage • Trustworthy security measures: this app does not require internet permission and cannot secretly transmit your information to untrusted servers." Terms of use : https://intuitive.studio/minimalist/terms/ Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

InstaLM

Features
Read full description

InstaLM is your intelligent AI chat companion. Have natural conversations with advanced AI that understands context, answers questions, and helps you accomplish tasks with ease. KEY FEATURES Smart Conversations Chat naturally with AI that remembers your conversation context. Ask follow-up questions, explore topics in depth, and get thoughtful, detailed responses. Document Understanding Attach PDFs, Word documents, Excel spreadsheets, and code files. InstaLM reads and understands your documents to provide contextual answers and analysis. Supported formats include PDF, DOCX, XLSX, and 15+ programming languages. Image Understanding Share images and get instant insights. InstaLM can analyze photos, describe visual content, and answer questions about what it sees. Voice Input & Output Speak naturally and listen to responses read aloud. Text-to-Speech support in multiple languages makes hands-free interaction seamless. Conversation History Never lose track of important chats. Your conversations are organized and searchable, making it easy to revisit past discussions. Export & Organize Export your conversations to Markdown or plain text for backup and sharing. Pin important chats for quick access. Custom Instructions Personalize the AI's behavior to match your preferences. Set custom instructions that apply to all your conversations. Cross-Platform Support Available on both iPhone and Mac with a shared, consistent experience. Your conversations are stored locally on each device. Beautiful Design Enjoy a clean, modern interface with light and dark themes. The tactile design makes chatting feel natural and intuitive. Privacy-Focused Your conversations are handled with care and security. INSTALM PLUS Unlock your full potential with premium features: - More AI usage - Unlock Advanced Features - Priority Service Choose from flexible subscription options: - Weekly, Monthly, or Annual plans available Experience the power of AI conversation with InstaLM. Download now and discover your intelligent chat companion! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.instalm.com/privacy-policy

Screenshots

Authenticator App4 screens
InstaLM2 screens

Verdict

The call

The clearest difference is update cadence: InstaLM at every 4 days against Authenticator App's monthly. Authenticator App's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support 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 1 in-app purchase, starting at $2.00 per month and InstaLM sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Authenticator App ships an update monthly, InstaLM every 4 days. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 7 level
Authenticator App versus InstaLM: the parameters behind the verdict, then further details
ParameterAuthenticator AppInstaLM
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS13.0 — better17.0
Further details — not scored
Size59 MB29 MB
Age rating17+4+
DeveloperDenis Vithani旻 蔡

In-app purchases

1 purchases

Authenticator App

Subscriptions1
  • Authenticator Subscription$2.001 Month
3 purchases

InstaLM

Subscriptions3
  • InstaLM Plus (Weekly)3 Days trial$4.997 Days
  • InstaLM Plus (Monthly)3 Days trial$19.991 Month
  • InstaLM Plus (Annual)3 Days trial$199.991 Year

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is InstaLM free?
InstaLM is free to download, with in-app purchases available.
Do Authenticator App or InstaLM have ads?
Neither Authenticator App nor InstaLM shows ads.
Which is updated more often, Authenticator App or InstaLM?
Authenticator App ships an update monthly, and InstaLM every 4 days. Most recently, Authenticator App was updated on June 11, 2026 and InstaLM on September 23, 2026.

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