Comparison

Converter, Calculator & Tools vs OpLink

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

Head to head
About

Converter, Calculator & Tools

Features
Read full description

Unit Measurements is your all-in-one app for converting units and using calculators. Convert between 40+ unit types and use 150+ calculatorsβ€”all in one place. UNIT CONVERTER (40+ CATEGORIES) Length, Area, Volume, Mass, Temperature, Time, Speed, Energy, Power, Pressure, Force, Density, Storage, Angle, Acceleration, Electric Current, Electric Resistance, Fuel Efficiency, Frequency, Sound Level, and 20+ more (metric, imperial, scientific). Conversion history and favorites. CALCULATORS & TOOLS (150+) Financial Tip, Discount, Sales Tax, Simple & Compound Interest, Loan/EMI, Mortgage (US, UK, Canadian), Rent, Margin, Markup, Profit Margin, ROI, Amortization, Mortgage Payoff, FHA, VA, Home Equity, HELOC, Refinance, House Affordability, Down Payment, Rent vs. Buy, Personal/Business/Student/Boat Loan, Credit Card & Payoff, Debt Payoff, Debt Consolidation, DTI, APR, 401K, Retirement, Pension, Social Security, Roth IRA, IRA, RMD, Investment, Savings, CD, Bond, Mutual Fund, Annuity, Income Tax, VAT, Take-Home Pay, Budget, Currency Converter, College Cost, and more. Health & Fitness BMI, BMR, TDEE, Calorie, Body Fat, Ideal Weight, Target Heart Rate, Pace, BAC, Body Surface Area, Macros, Protein, Fat, Carbs, Calories Burned, One Rep Max, Lean Body Mass, Pregnancy, Due Date, Ovulation, Conception, Period, GFR, Water Intake, Weight Watchers Points, and more. Math Percentage, Fraction, Pythagorean Theorem, Quadratic Formula, Triangle, Circle, Rectangle, Sphere, Cylinder, Cone, Volume, Area, Surface Area, Binary, Hex, Matrix, LCM, GCF, Factor, Prime Factorization, Rounding, Basic, Scientific, Long Division, Big Number, Standard Deviation, Mean/Median/Mode, Statistics, Probability, Permutation & Combination, Z-Score, Confidence Interval, Sample Size, Slope, Distance, Average, Random Number, Half-Life, and more. Other Age, GPA, Grade, Date, Time, Hours, Time Zone, Fuel Cost, Speed-Distance-Time, Square Footage, Concrete, Ohm's Law, Wind Chill, Heat Index, Dew Point, Mileage, Electricity Cost, Height, Dice Roller, Voltage Drop, BTU, Time Card, Horsepower, Engine HP, Stair, Resistor, Conversion Calculator, IP Subnet, Bra Size, Password Generator, Shoe Size, Roman Numeral, Sleep, Tire Size, Roofing, Tile, Mulch, Gravel, Day Counter, Day of Week, Golf Handicap, and more. HOW IT WORKS β€’ Free: First 9 tools per category (with a short ad) and the unit converter β€’ Pro: All tools and unit types, no ads Simple, fast, no account required. Perfect for students, professionals, and everyday use. Privacy Policy & Terms https://infoenum.com/mobile_app_privacy_policy.html

About

OpLink

Features
Read full description

"OpLink(TTMP) is a total life management platform for tires, made for fleets as a digital assets management platform from inventory to scrap. OpLink(TTMP) will improve working efficiency, support for financial decisions, and extend tire life cycle as possible, to achieve cost down and efficiency arise."

Screenshots

Converter, Calculator & Tools4 screens
OpLink1 screens

Verdict

The call

The clearest difference is in-app purchases: OpLink at none against Converter, Calculator & Tools's 1. OpLink also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 17.0). 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. Converter, Calculator & Tools sells 1 one-off in-app purchase. OpLink asks for nothing beyond the download.

UpkeepUpdate frequency

Converter, Calculator & Tools ships an update every 2 months, OpLink fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 3 level
Converter, Calculator & Tools versus OpLink: the parameters behind the verdict, then further details
ParameterConverter, Calculator & ToolsOpLink
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.013.0 β€” better
Further details β€” not scored
Size14 MB179 MB
Age rating4+4+
DeveloperInfoEnum Software SystemsMichelin

In-app purchases

1 purchases

Converter, Calculator & Tools

One-time1
  • Unlock Pro$1.99
None

OpLink

No in-app purchases

Questions

Is Converter, Calculator & Tools free?
Converter, Calculator & Tools is free to download, with in-app purchases available.
Is OpLink free?
OpLink is free to download, with no in-app purchases.
Do Converter, Calculator & Tools or OpLink have ads?
Neither Converter, Calculator & Tools nor OpLink shows ads.
Which is updated more often, Converter, Calculator & Tools or OpLink?
Converter, Calculator & Tools ships an update every 2 months, and OpLink fortnightly. Most recently, Converter, Calculator & Tools was updated on October 25, 2026 and OpLink on October 28, 2026.

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