Comparison

Gate Authenticator vs Marvin's Compound Calculator

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

Head to head
About

Gate Authenticator

Enhance your account security with this authenticator app. It generates time-based codes for secure logins, withdrawals, and security changes, even offline. Supports multiple accounts and easy setup via QR code.

Highlights
  • Account automatic setup via QR code
  • Support multi-accounts
  • Time-based code generation
  • Offline code generation
  • Enhanced account security
Read full description

Gate Authenticator, provides an extra layer of security for your Gate account can be used to log in Gate account, withdraw funds, change security settings and more. If you have trouble receiving SMS code, using Gate Authenticator instead is strongly recommended Once set up with key, the Gate Authenticator can generate code without network connection. Features – Support account automatic setup via QR code - Support multi-accounts - Support time based code

About

Marvin's Compound Calculator

Features
Read full description

The Compound Interest Calculator is a simple and user-friendly tool designed to calculate the returns on compound interest investments. Users only need to input the initial investment amount, annual interest rate, investment period, and compounding frequency, and the app will automatically calculate the final investment returns. Basic Version Features: Input initial principal, annual interest rate, compounding frequency, and investment duration. Automatically calculate compound interest results and display the final amount. Show detailed growth of interest and principal for each period. Provide clear charts and tables to help users visualize the investment growth process. Premium Features: The Premium Compound Interest Calculator unlocks advanced features tailored for users who want a deeper analysis of investment returns. Premium Version Features: Advanced Calculation Options: Includes more complex calculations, such as various compounding frequencies (e.g., quarterly, monthly) and periodic additional investments. Personalized Themes: Customize the app's appearance with multiple themes and interface styles to enhance the user experience. Whether you’re a casual user or an investment expert, the Compound Interest Calculator provides accurate investment forecasts and a convenient financial management tool. The premium version’s additional features enable users to perform more efficient calculations and enjoy a personalized experience.

Screenshots

Gate Authenticator3 screens
Marvin's Compound Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Gate Authenticator at none against Marvin's Compound Calculator's 2. Gate Authenticator also leads on iOS requirement (12.0 vs 16.0). Marvin's Compound Calculator's advantage is update cadence (every 3 days vs every 2 months). On price, ads 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. Marvin's Compound Calculator sells 2 one-off in-app purchases. Gate Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

Gate Authenticator ships an update every 2 months, Marvin's Compound Calculator every 3 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Gate Authenticator versus Marvin's Compound Calculator: the parameters behind the verdict, then further details
ParameterGate AuthenticatorMarvin's Compound Calculator
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size40 MB12 MB
Age rating4+4+
DeveloperGate Technology IncorporatedMaojian Tang

In-app purchases

None

Gate Authenticator

No in-app purchases

2 purchases

Marvin's Compound Calculator

One-time2
  • Marvin的复利计算器-去广告高级版$1.99
  • Premium Version$1.99

Questions

Is Gate Authenticator free?
Gate Authenticator is free to download, with no in-app purchases.
Is Marvin's Compound Calculator free?
Marvin's Compound Calculator is free to download, with in-app purchases available.
Do Gate Authenticator or Marvin's Compound Calculator have ads?
Neither Gate Authenticator nor Marvin's Compound Calculator shows ads.
Which is updated more often, Gate Authenticator or Marvin's Compound Calculator?
Gate Authenticator ships an update every 2 months, and Marvin's Compound Calculator every 3 days. Most recently, Gate Authenticator was updated on October 14, 2026 and Marvin's Compound Calculator on October 12, 2026.

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