Comparison

Calculator+ vs SeaRoll

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

Head to head
About

Calculator+

This advanced utility app offers a comprehensive suite of calculation and conversion tools, serving as a powerful alternative to standard device calculators. It features a sleek interface and supports a wide range of everyday and scientific computations, including unit conversions for length, area, volume, and more.

Highlights
  • General and scientific calculations
  • Extensive unit conversions (length, area, volume, etc.)
  • BMI, investment, EMI, and tax calculators
  • Customizable graphical user interface
  • Calculation history log
  • Adjustable answer precision
Features
Read full description

Calculator+ is an advanced alternative to the Built-In Calculator in iOS. It allows you to easily handle all the calculations of everyday life, be it simple mathematical equations, or complex scientific equations. It's an app with a sleek, interactive, and customizable graphical user interface. Calculator+ is - Free with no hidden charges! - Ad-Free! - Available for all platforms! Features : 1. General Calculator - A Calculator which enables you to do simple and advanced calculations with ease. - Display the result either in Standard form or Scientific form based on your requirements. - Have the freedom to choose the precision of your answers for accuracy depending on the purpose of the calculation. - Log all previous calculations. 2. Percentage Calculator - Perform Percentage based calculations with ease without having to remember formulae. 3. BMI Calculator - Calculate a person's BMI (Body Mass Index) with the touch of a button. 4. Investment Calculator - Calculate the Return on your Investment with the interest rate being yearly, half-yearly, quarterly, monthly, or daily. 5. EMI and Loan Calculator - Calculate your EMI and the total Interest payable. 6. Tax (VAT / GST) Calculator - Get the total price by entering the original price and the tax rate. 7. Length Conversion - Convert between Length units supporting all major Length Units such as Kilometer, Meter, Decimeter, Centimeter, Millimeter, Micrometer, Nanometer, Picometer, Nautical Mile, Mile, Yard, Foot, Inch, Lunar Distance, Astronomical Unit, Light Year. 8. Area Conversion - Convert between Area units supporting all major Area Units such as Square Kilometer, Square Meter, Hectare, Square Decimeter, Square Centimeter, Square Millimeter, Square Micron, Acre, Square Mile, Square Yard, Square Yard, Square Foot, Square Inch, Square Rod. 9. Volume Conversion - Convert between Volume units supporting all major Volume Units such as Liter, Hectoliter, Deciliter, Centiliter, Milliliter, Cubic Meter, Cubic Decimeter, Cubic Centimeter, Cubic Millimeter, Cubic Foot, Cubic Inch, Cubic Yard, Acre Foot. 10. Temperature Conversion - Convert between Temperature units supporting all major Temperature Units such as Celsius, Fahrenheit, Kelvin, Rankine, and Réamur. 11. Speed Conversion - Convert between Speed units supporting all major Speed Units such as Lightspeed, Meter per second, Kilometer per second, Mile per hour, Kilometer per hour, Knot, Foot per second, and Inch per second. 13. Time Conversion - Convert between Time units supporting all major Time Units such as Century, Decade, Year, Week, Day, Hour, Minute, Second, Millisecond, Microsecond, and Picosecond. 14. Mass Conversion - Convert between Mass units supporting all major Mass Units such as Kilogram, Gram, Pounds, Tonne, Milligram, Microgram, Quintal, Ounce, Carat, and Grain. 15. Numeral Conversion - Convert between Numeral units supporting all major Numeral Units such as Binary, Octal, Decimal, and Hexadecimal. 16. Quantity Conversion - Convert between Quantity units supporting all major Quantity Units such as Liter, Gallon, Milliliter, Fluid Ounce, Cup, TableSpoon, TeaSpoon, Quart, and Pint. 17. Age Calculator - Know your exact age with a report on how many days and months are remaining before your next birthday. 18. Theme Customization - Customize the whole app. Change the theme of the app to your liking. This app is brought to you by the company OnePercent, based in Bangalore, India. Website: www.OnePercent.club Social Media LinkedIn: Https://Www.Linkedin.Com/Company/Onepercent-Club/ Facebook: Https://Www.Facebook.Com/Fb.Onepercent.Club/ Instagram: Https://Www.Instagram.Com/_onepercent.Club/ Twitter : Https://Twitter.Com/OnePercent_club

About

SeaRoll

This application provides a real-time display of a vessel's rolling angle, allowing users to record and review sessions during navigation. It's designed for simplicity and readability, enabling quick reporting and discussion of roll data.

Highlights
  • Live roll angle display
  • One-tap roll recording
  • Playback and review of recorded sessions
  • Export and share recordings
  • Simple and readable interface
Features
Read full description

SeaRoll is a maritime clinometer built for real-world conditions. Measure your vessel’s rolling angle in real time, record sessions during navigation, and review the results later. Capture roll data with one tap, then share your recordings with crew, colleagues, or shore teams for quick reporting and discussion. SeaRoll keeps the interface simple and readable, so you can focus on what matters on deck. Key features Live roll angle display One-tap roll recording Playback and review of recorded sessions Export and share recordings SeaRoll is designed for seafarers, surveyors, and anyone who needs a clear roll measurement tool in the field.

Screenshots

Calculator+4 screens
SeaRoll3 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator+ at none against SeaRoll's 1. Calculator+ also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). SeaRoll's advantage is update cadence (every 3 weeks vs every 5 months). On price, review sentiment and ads 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. SeaRoll sells 1 one-off in-app purchase. Calculator+ asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator+ ships an update every 5 months, SeaRoll every 3 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator+ versus SeaRoll: the parameters behind the verdict, then further details
ParameterCalculator+SeaRoll
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size18 MB13 MB
Age rating4+4+
DeveloperOnePercentVladyslav Yarmak

Customer experience

Calculator+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SeaRoll

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calculator+

No in-app purchases

1 purchases

SeaRoll

One-time1
  • Remove Logo$0.99

Questions

Is Calculator+ free?
Calculator+ is free to download, with no in-app purchases.
Is SeaRoll free?
SeaRoll is free to download, with in-app purchases available.
Do Calculator+ or SeaRoll have ads?
Neither Calculator+ nor SeaRoll shows ads.
Which is updated more often, Calculator+ or SeaRoll?
Calculator+ ships an update every 5 months, and SeaRoll every 3 weeks. Most recently, Calculator+ was updated on October 16, 2026 and SeaRoll on October 15, 2026.

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