Comparison

Konvertr Pro vs 2FA Authenticator

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

Head to head
About

Konvertr Pro

Features
Read full description

Offline unit converter, calculator, and utility toolkit in one app. Convert measurements quickly with Konvertr Pro, an offline unit converter built for metric and imperial conversions, everyday calculations, and practical tools. Browse 25 categories and 421 units, then use the built-in calculator, favorites, conversion history, and 19 extra utilities without switching apps. Use it for work, study, travel, cooking, shopping, engineering checks, and repeat conversions. No account or sign-in is required. WHAT YOU GET • 25 conversion categories and 421 unit entries • Built-in calculator with saved calculator history • Converter history stored locally on your device • Favorites for the conversions you repeat most • Themes, settings, and multi-view layout options • 19 extra utility tools across health, time, finance, and everyday use CONVERSION CATEGORIES Angle, area, charge, electric current, data, data transfer, energy, flow, force, frequency, fuel economy, illumination, length, luminance, mass, power, pressure, radiation, sound, speed, temperature, time, torque, typography, and volume. PREMIUM TOOLS INCLUDED • Health: BMI calculator, BMR calculator with activity-adjusted daily calories • Time: age calculator, age difference, date difference, time zone converter • Finance: salary converter, tax calculator, tip and split calculator • Everyday: compass, EV range converter, shoe size converter, text counter, counter, random number, letter picker, coin toss, and dice BUILT FOR REAL LIFE Use Konvertr Pro to switch between metric and imperial units, check cooking and travel measurements, convert data and transfer units for tech tasks, work through energy, power, pressure, force, and torque values, split a bill, estimate take-home pay, or check the time in another country before you call. MADE FOR SPEED AND CLARITY Results appear as you type, and precision and decimal places are yours to set. The clear interface and multi-view options make common conversions easy to find and compare. OFFLINE FIRST AND PRIVACY FRIENDLY Core conversion and tools are designed to work offline. Preferences, favorites, and history are stored on your device. Konvertr Pro does not ask you to create an account and does not include advertising, analytics, or crash-reporting SDKs. WHO IT IS FOR Students, professionals, engineers, technicians, makers, creators, small business owners, travelers, shoppers, and anyone who wants a dependable converter and utility app in one place. Download Konvertr Pro for conversion, calculation, finance, time, health, and everyday utility tasks in a single focused app.

About

2FA Authenticator

Secure your online accounts with multi-factor authentication and password management. Generate time-sensitive codes, store passwords, and receive alerts for data breaches. Features cloud backup and biometric encryption for enhanced security.

Highlights
  • Generate 2FA/MFA codes
  • Store and manage passwords
  • Password breach detection
  • Encrypted cloud backup
  • Biometric encryption (Face ID/Fingerprint)
  • Support for 1000+ apps
Features
Read full description

Locker is the all-in-one authenticator and password manager that keeps your accounts safe. Generate secure 2FA and TOTP codes, store unlimited passwords, and know instantly if your data leaks in a breach — all protected by Face ID and encrypted cloud backup. WHY LOCKER • 2FA & MFA codes for 1000+ apps — Gmail, Facebook, Instagram, X, Amazon, government & banking logins • Built-in password manager & secure vault • Data-breach & leak monitoring with instant alerts • Encrypted cloud backup — switch phones without losing access • Face ID / Fingerprint lock on every code and password QR SETUP IN SECONDS Scan a QR code and your account is protected with time-based one-time codes instantly. PROTECT EVERY ACCOUNT Universal support for 1000+ services means every login lives in one secure place. PASSWORD & BREACH MONITORING Generate strong passwords and get notified the second any account appears in a known data breach. ENCRYPTED CLOUD BACKUP All data is end-to-end encrypted and recoverable when you need it — nothing is ever stored in plain text. BIOMETRIC SECURITY Lock your 2FA codes and passwords behind Face ID or Fingerprint so only you get in. We're always improving. Questions or suggestions? Reach us at hi@thelocker.app Privacy Policy - https://thelocker.app/privacy Terms & Conditions - https://thelocker.app/terms

Screenshots

Konvertr Pro4 screens
2FA Authenticator4 screens

Verdict

The call

The clearest difference is price: 2FA Authenticator at Free against Konvertr Pro's $0.49. 2FA Authenticator also leads on update cadence (monthly vs every 36 months). Konvertr Pro's advantage is in-app purchases (none vs 2). On 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

2FA Authenticator is free to download; Konvertr Pro costs $0.49 up front. 2FA Authenticator sells 2 in-app purchases, starting at $4.99 per month. Konvertr Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Konvertr Pro ships an update every 36 months, 2FA Authenticator monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Konvertr Pro versus 2FA Authenticator: the parameters behind the verdict, then further details
ParameterKonvertr Pro2FA Authenticator
Price$0.49Free — better
Rating—4.8 (32 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—32 — better
Update frequencyEvery 36 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size22 MB92 MB
Age rating4+4+
DeveloperFawad KhanMasai Code Ventures LTD

In-app purchases

None

Konvertr Pro

No in-app purchases

2 purchases

2FA Authenticator

Subscriptions2
  • Locker Monthly3 Days trial$4.991 Month
  • Annual Premium3 Days trial$39.991 Year

Questions

Is Konvertr Pro free?
Konvertr Pro costs $0.49, with no in-app purchases.
Is 2FA Authenticator free?
2FA Authenticator is free to download, with in-app purchases available.
Do Konvertr Pro or 2FA Authenticator have ads?
Neither Konvertr Pro nor 2FA Authenticator shows ads.
Which is updated more often, Konvertr Pro or 2FA Authenticator?
Konvertr Pro ships an update every 36 months, and 2FA Authenticator monthly. Most recently, Konvertr Pro was updated on October 29, 2026 and 2FA Authenticator on October 30, 2026.

Other comparisons