Comparison

LunaOTP vs Defyx

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

Head to head
About

LunaOTP

This app provides secure two-factor authentication (2FA) for your online accounts using Apple's Keychain for storage. It offers encrypted iCloud sync, export/import options, and Face ID/Touch ID protection for enhanced security.

Highlights
  • Apple Keychain security
  • Encrypted iCloud sync
  • Export/Import OTP codes
  • Face ID and Touch ID support
  • Offline functionality
  • Category management
Read full description

Introducing LunaOTP - the paramount of secure two-factor authentication (2FA) for your Mac, iPhone, and iPad. In an era where digital security is non-negotiable, Luna OTP stands as a bastion of protection for your online accounts. It's your shield against unauthorized access in the vast expanse of the digital universe. Exclusive Keychain Security: LunaOTP champions unparalleled security by exclusively using Apple's Keychain to save your 2FA codes. This means your codes are stored in a highly secure, system-wide storage compartment designed by Apple, renowned for its robust encryption and security measures. With Luna OTP, your codes reside solely on your device and are never stored elsewhere. Key Features: Broad Service Compatibility: Seamlessly integrates with numerous services like Google, Heroku, Dropbox, Facebook, GitHub, and more, providing a versatile 2FA solution. Encrypted iCloud Sync: Experience the convenience of syncing your 2FA codes across all your devices with iCloud, fortified by top-tier encryption. Export/Import your OTP codes with password protection in JSON, plain Text or encrypted formats Organize your accounts with the new category management system Face ID and Touch ID Enabled: Safeguard your LunaOTP app with the cutting-edge Touch ID technology, ensuring that only you can access your sensitive 2FA codes. Offline Functionality: LunaOTP doesn't just work online; it ensures you have access to your 2FA codes even when you're disconnected from the internet. Privacy-Centric Approach: Your privacy is our top priority. LunaOTP is designed to be a fortress of privacy - we do not collect, store, or transmit any of your personal data. Rest assured, your information stays exclusively within the confines of your own device.

About

Defyx

This app provides secure and fast internet access with a focus on user privacy. It offers automatic setup, unlimited bandwidth, and end-to-end encryption to protect your data. The interface is clean and designed for ease of use, with features like Cloudflare DNS filtering for enhanced security.

Highlights
  • Secure, high-speed connections
  • Automatic smart onboarding
  • Unlimited bandwidth, no throttling
  • Automatic best server selection
  • End-to-end data encryption
  • Strict no-logs policy
  • Cloudflare DNS filtering
Features
Read full description

Crafted for secure internet access, designed for everyone, everywhere Defyx is a privacy-first VPN app with user-friendly interaction, unique visual feedback, and upcoming AI-based security insights. Browse safely and protect your personal data with Defyx — a fast, modern, and easy-to-use VPN that puts your privacy first. Whether you're on public Wi-Fi or want extra peace of mind online, Defyx keeps your connection encrypted and private. Key Features: - Secure, high-speed connections - No setup needed — everything works automatically via smart onboarding - Unlimited bandwidth with no throttling or hidden limits - Automatically selects the best server for your location - End-to-end encryption for your data, wherever you go - Strict no-logs policy — we never track or store your activity - Lightweight, ad-supported experience to keep it free and sustainable - Clean, minimal interface designed for everyone — from first-time users to privacy experts - Cloudflare DNS filtering to block malicious content - Optimized for iPhone (iPad and Mac support coming soon) - Open-source commitment — we’ll publish our source code to promote transparency Focused on Privacy and Simplicity Defyx is built to help users stay secure on untrusted or public networks. Whether you're working remotely, traveling, or simply browsing privately, Defyx makes online protection easy and accessible. Coming Soon: More connection options and VPN protocols for increased reliability on complex networks. Take control of your privacy — with one tap.

Screenshots

LunaOTP4 screens
Defyx4 screens

Verdict

The call

The clearest difference is price: Defyx at Free against LunaOTP's $4.99. Defyx also leads on update cadence (every 2 weeks vs every 14 months) and ratings volume (54 vs 2). LunaOTP's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 5). On 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

Defyx is free to download; LunaOTP costs $4.99 up front. Defyx sells 5 one-off in-app purchases. LunaOTP asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LunaOTP holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Defyx has 54 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

LunaOTP ships an update every 14 months, Defyx every 2 weeks. The most recent releases landed on June 4, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
LunaOTP versus Defyx: the parameters behind the verdict, then further details
ParameterLunaOTPDefyx
Price$4.99Free — better
Rating5.0 (2 ratings) — better4.4 (54 ratings)
Positive reviews—81.3% of reviews
Number of ratings254 — better
Update frequencyEvery 14 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size2 MB175 MB
Age rating4+12+
DeveloperReza MoallemiUnboundTech UG (haftungsbeschraenkt)

Customer experience

LunaOTP

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Defyx

All ratings54 ratings
Positive83.3%
Neutral5.6%
Negative11.1%
Written reviews16 reviews
Positive81.3%
Neutral0.0%
Negative18.8%

In-app purchases

None

LunaOTP

No in-app purchases

5 purchases

Defyx

One-time5
  • Defyx Balance – 1 Credit$0.99
  • Defyx Balance – 2 Credits$1.99
  • Defyx Balance – 3 Credits$2.99
Show 2 more
  • Defyx Balance – 5 Credits$3.99
  • Defyx Balance – 10 Credits$8.99

Questions

Is LunaOTP free?
LunaOTP costs $4.99, with no in-app purchases.
Is Defyx free?
Defyx is free to download, with in-app purchases available.
Which has better reviews, LunaOTP or Defyx?
LunaOTP is rated higher. LunaOTP averages 5.0 out of 5 from 2 ratings, while Defyx averages 4.4 from 54 ratings.
Do LunaOTP or Defyx have ads?
Defyx shows ads; LunaOTP does not.
Which is updated more often, LunaOTP or Defyx?
LunaOTP ships an update every 14 months, and Defyx every 2 weeks. Most recently, LunaOTP was updated on June 4, 2026 and Defyx on October 25, 2026.

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