Comparison

Calculator T vs Arbitro

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

Head to head
About

Calculator T

This app offers advanced scientific calculation and unit conversion capabilities. It features a history tape, memory functions, and supports complex mathematical operations. It also includes currency exchange rates and a wide range of measurement conversions.

Highlights
  • Standard and scientific function modes
  • Extensive unit conversion (over 300 units)
  • History tape for last 100 records
  • Memory buttons (MS, M+, M-, MR, MC)
  • Copy/paste functionality for equations and results
  • Support for large number calculations and scientific notation
  • Currency exchange rate conversion
Features
Read full description

● Functional Features: 1. Supports standard and scientific function modes. 2. Supports many unit conversion. 3. Displays both the equation & the result. 4. History Tape View - the most recent 100 historical records are automatically saved on your device, you can get them when you open the APP next time. 5. Supports 5 memory buttons and multiple memory records: MS (M Save), M+, M-, MR (M Recall) and MC (Clear Memory), If you often use Windows calculators, then you should be familiar with them. ^_^ 6. Supports copying for both current input and historical records by tap & hold on it - you can copy the equation/expression or the result to the clipboard. 7. Supports pasting equation/expression into input box with robust expression parsing capabilities from the clipboard. 8. Supports long equation/expression input - maximum 1500 characters. 9. Supports insert the equation or result of the historical record into the input box by tap & hold on it. 10. Optimized the layout for iPad, designed with elegant, easy and intuitive interface. 11. Turn on the F-E button to force convert the result to E-notation (scientific notation). 12. When you press the equals button, the APP will automatically fill in any unclosed parentheses in the equation. 13. Supports Equals Repeat function - the APP will automatically repeat it if the last calculation is simple arithmetic operations (+, -, Γ—, Γ·). 14. No ads. ● Math & ALGEBRA Features: 1. Supports 32-bit input precision & calculation precision, this means you can enter 32-bit integer or 32 decimal places. 2. Supports input of maximum scientific notation exponent "9999", eg. 999999E9999. 3. Supports big integer & rational number: For the factorial calculation of positive integer, up to 10000! (about 2.846E+35659). For the calculation result, maximum support 9.999E+99999999. 4. Support constants Ο€, e. 5. Supports switching three angle units (RAD, DEG, GRAD), instead of applying it to the entire equation, we identify the unit of angle for each trigonometric function, so you get a clearer understanding of what the equation means. 6. Supports advanced calculations, including n!, ^, mod, √, log, ln, cube, square, cube root, y root, abs, ceil, random, floor and exponential functions etc. 7. Supports trigonometric functions (sin, cos, tan, asin, acos, atan) and hyperbolic functions (sinh, cosh, tanh, asinh, acosh, atanh). ● Unit Converter Features: 1. Supports multiple weight and measurement unit conversions - Volume, Length, Weight & Mass, Time, Energy, Area, Speed, Temperature, Power, Data, Pressure and Angle. 2. Supports currency exchange rate conversion (over 160 different currency units, and exchange rate data are hourly updated). 3. Supports 300+ Units. 4. Supports favorites function for quick conversions - allows setting 4 frequently used units for each conversion category. 5. We take the accuracy of conversion very seriously, and therefore, We had carefully verified the conversion values of each unit. Such as: when it comes to the electron-volt, many converters use different values, such as 1 eV = 1.60217656535E-19 J, 1 eV = 1.602176473E-19 J, and so on. However, we found that the CODATA 2018 recommended value (latest version) is 1 eV = 1.602176634E-19 J, so we use this latest recommended value. ● Multiple Languages: 1. English 2. Japanese 3. Chinese If you’re using an iPad or iPhone, you can enjoy the Calculator T application, hope it can assist you with your studies and work. If you find it useful, please consider supporting us by leaving a positive review and sharing your suggestions. Thanks :)

About

Arbitro

Features
Read full description

Arbitro turns betting odds into a guaranteed outcome. Enter the odds for every possible result β€” 2-way, 3-way, or more β€” and your budget. Arbitro calculates exactly how much to stake on each outcome so your group comes out ahead no matter who wins, or keeps the loss as small as mathematically possible when there's no free edge. Built for people who bet with friends, not against them. WHAT YOU CAN DO β€’ Optimal stake split β€” guarantees the same result whichever outcome hits β€’ Favorite + Hedge β€” back the outcome you believe in, then set exactly how much you're comfortable losing if you're wrong β€’ Compare against an equal split to see what the math actually saves you β€’ Split winnings evenly across everyone, or let one person keep it all β€’ Save every calculation and revisit it later β€’ Share results instantly over WhatsApp, formatted and color-coded β€’ Export a clean, colorful PDF report to send anywhere FREE TO TRY Every feature is unlocked for 15 days, no account required. After that, 2-outcome calculations stay free forever β€” unlock Pro with a single one-time payment (no subscription) for unlimited selections, unlimited budget, and every save/share/export tool. PRIVATE BY DESIGN No sign-up, no ads, no data leaves your phone. Your bets are yours. Available in English, EspaΓ±ol, and FranΓ§ais.

Screenshots

Calculator T4 screens
Arbitro4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator T at none against Arbitro's 1. Calculator T also leads on iOS requirement (11.0 vs 16.4). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Arbitro sells 1 one-off in-app purchase. Calculator T asks for nothing beyond the download.

Scorecard2 real differences Β· 6 level
Calculator T versus Arbitro: the parameters behind the verdict, then further details
ParameterCalculator TArbitro
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 2 daysβ€”
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS11.0 β€” better16.4
Further details β€” not scored
Size16 MB32 MB
Age rating4+4+
DeveloperXiao Hou Yi Sheng Traditional Chinese Medicine Technology (Shenzhen) Co., LtdYodeski Rodriguez Alvarez

In-app purchases

None

Calculator T

No in-app purchases

1 purchases

Arbitro

One-time1
  • Arbitro Pro$1.99

Questions

Is Calculator T free?
Calculator T is free to download, with no in-app purchases.
Is Arbitro free?
Arbitro is free to download, with in-app purchases available.
Do Calculator T or Arbitro have ads?
Neither Calculator T nor Arbitro shows ads.

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