Comparison

Calculator₊ vs InboxGuard

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

Head to head
About

Calculator₊

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Highlights
  • Basic and scientific calculations
  • Unit and currency converter
  • AI-powered math solver with photo recognition
  • Math notes with instant solutions
  • Calculation history log
  • Accessibility features
Features
Read full description

America's #1 Calculator App! Download Calculator₊ Now - Your All-in-One Math Solution! We're excited to announce the biggest update to Calculator₊ in 10 years! With over 200 million downloads and a whopping 3 million+ 5-star ratings, Calculator₊ is the trusted choice of millions worldwide. And now, it's even better! More Than Just Your Average Calculator! • Standard Calculator: Breeze through basic arithmetic operations like addition, subtraction, multiplication, and division. • Scientific Calculator: Tackle complex calculations with ease, including trigonometric, logarithmic, and exponential functions. • Calculation History: Keep track of your past calculations with a detailed history log. • Unit Converter: Effortlessly convert units like inches to centimeters and much more, making it a handy tool for everyday use. • Percentage Calculator: Easily calculate percentages, increases, and decreases with pre-designed input fields that do the work for you. • Currency Converter: Convert currencies in real-time, including Bitcoin, with the latest exchange rates. • Fraction Calculator: Work seamlessly with fractions – perfect for students and professionals alike. • Ad-Free Experience: Say goodbye to annoying full-screen ads and focus on your calculations. Be Amazed by Our New AI-Powered Math Solver! • AI Math Solutions: Instantly solve math equations, quizzes, and word problems with our advanced AI. Use the Photo Solver to snap a picture of any problem, and Calculator₊ will work its magic. • Math Notes: A dedicated note-taking tool for all your math needs. Jot down equations, diagrams, and notes in a space designed for mathematical thinking. • Instant Math: In Math Notes mode, simply write an equation, add an "=", and Calculator₊ will generate the solution in real-time. Built for Everyone, Now Even More Accessible! Calculator₊ is designed to work effortlessly for all users, no matter how you use your iPhone, and includes these additional accessibility features: • Dynamic Text Size: Scale the calculator interface to the text size that works best for you, without losing layout clarity. • VoiceOver Support: Navigate & Calculate using VoiceOver, fully compatible with iOS accessibility settings. • High-Contrast Mode: A bold, high-contrast display that makes every button and result instantly readable in any lighting condition. • Dark and Light Mode: Calculator₊ automatically adjusts to your preferred mode. Why Choose Calculator₊? • Proven Track Record: Over a decade of providing fast and reliable calculations. • Loved by Millions: Join the 200+ million users who rely on Calculator₊, with an average rating of 4.7 stars from 3.5 million reviews. • Versatile & Powerful: Handles everything from basic sums to advanced scientific calculations. Perfect for school, work, or home. Celebrate with a Special Gift! To celebrate the release of this massive update, we're offering a 1-MONTH FREE TRIAL of our premium features, including: • Ad-Free Experience: No more pesky ads. • Unlimited AI Math Solving: Solve as many equations and problems as you need. • Unlimited Fraction Calculations: Ideal for students and professionals alike. • Unlimited Currency Conversions: Including real-time Bitcoin conversions. • Premium Customer Support: Get priority assistance from our expert support team. If you have any suggestions or questions, our support team is ready to help. Simply email us at support@impalastudios.com. Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy

About

InboxGuard

Features
Read full description

InboxGuard – Email Security & Privacy Protection InboxGuard helps you protect your email accounts, avoid scams, and keep your personal data safe with simple, powerful tools designed for everyday users. Your email is one of the most important parts of your digital life. It connects to banking, social media, work, and personal information. If your email is compromised, everything connected to it can be at risk. InboxGuard helps you strengthen your security and reduce that risk with clear, practical guidance. 1. Security Score See how secure your email habits are. InboxGuard gives you a protection score based on key factors like password strength, two-step verification, account activity awareness, and recovery settings. Improve your score as you take action. 2. Phishing Trainer Learn how to identify dangerous emails before they trick you. InboxGuard teaches you to recognize fake login pages, suspicious links, urgent messages, unknown attachments, and impersonation attempts. 3. Account Protection Checklists Follow simple, step-by-step guides to secure Gmail, Outlook, and other email accounts. Learn how to enable two-step verification, review recent login activity, remove unknown devices, and update recovery methods. 4. Emergency Guide If you think your account has been compromised, InboxGuard gives you a clear action plan. Quickly secure your account, remove unauthorized access, and protect your personal information. 5. Secure Vault Store private notes safely using Face ID or Touch ID. Keep recovery reminders, important security details, and sensitive information protected on your device. 6. Simple and Clean Design InboxGuard is built for simplicity. No technical knowledge required. Everything is easy to understand and quick to use. Why InboxGuard? Most security issues happen because of weak habits, not complex hacking. InboxGuard helps you fix those habits and stay one step ahead of common threats like phishing and account takeovers. Privacy First InboxGuard does not read your emails or collect personal data. Your information stays on your device and under your control. Important InboxGuard helps improve your security awareness and practices. It does not directly access or control your email accounts or guarantee protection from all threats. Take control of your email security today. Strengthen your protection, avoid scams, and protect your digital life with InboxGuard.

Screenshots

Calculator₊4 screens
InboxGuard4 screens

Verdict

The call

The clearest difference is in-app purchases: InboxGuard at none against Calculator₊'s 13. InboxGuard also leads on ads (none vs shown). Calculator₊'s advantage is chart position (#92 vs unranked) and device support (5 vs 2). On price and update cadence 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. Calculator₊ sells 12 in-app purchases, starting at $0.99 per month. InboxGuard asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator₊ ships an update every 3 weeks, InboxGuard monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 6 level
Calculator₊ versus InboxGuard: the parameters behind the verdict, then further details
ParameterCalculator₊InboxGuard
PriceFreeFree
Rating4.7 (1.7M ratings) — better—
Positive reviews63.1% of reviews—
Number of ratings1.7M — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#92 — better—
DevicesiPhone, iPad, iPod, Apple Watch, Vision Pro — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size237 MB4 MB
Age rating4+17+
DeveloperImpala StudiosShashwat Patel

Bugs and requests

Calculator₊

Reported bugs

2 issues
  • Incorrect calculation results for certain functions
  • Inability to delete last entered digit without clearing entire calculation

Requested features

3 requests
  • Ability to delete individual calculation history entries
  • More free advanced calculator features (fractions, currency, etc.)
  • Improved ad placement that doesn't interfere with usage

InboxGuard

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Calculator₊

Subscriptions12
  • Premium Member Special Offer7 Days trial$0.991 Month
  • Monthly Premium Member3 Days trial$0.991 Month
  • 1 Month Premium Access7 Days trial$1.491 Month
Show 9 more
  • Unlimited Math Calculations7 Days trial$3.996 Months
  • Half-Yearly Premium Member3 Days trial$3.996 Months
  • Calculate Faster, AI, & No Ads3 Days trial$4.997 Days
  • 1 Year Ad-Free3 Days trial$5.991 Year
  • Calculate Faster, AI, & No Ads3 Days trial$5.997 Days
  • 1 Month Premium Trial1 Month trial$5.997 Days
  • Math Solver/Full Access/No Ads$5.997 Days
  • 6 Months Premium Access7 Days trial$8.996 Months
  • Smart Currency & Fraction Calc7 Days trial$14.991 Year
None

InboxGuard

No in-app purchases

Questions

Is Calculator₊ free?
Calculator₊ is free to download, with in-app purchases available.
Is InboxGuard free?
InboxGuard is free to download, with no in-app purchases.
Do Calculator₊ or InboxGuard have ads?
Calculator₊ shows ads; InboxGuard does not.
Which is updated more often, Calculator₊ or InboxGuard?
Calculator₊ ships an update every 3 weeks, and InboxGuard monthly. Most recently, Calculator₊ was updated on October 25, 2026 and InboxGuard on October 24, 2026.

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