Comparison

Calculette Pro vs SI Converter

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

Head to head
About

Calculette Pro

A powerful calculator that allows users to reuse previous results for new calculations. Streamline your math with this efficient tool.

Highlights
  • Powerful calculator
  • Reuse old results
  • New calculations
  • Efficient tool
Features
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Une calculatrice performante avec la possibilité de réutiliser les anciens résultats pour de nouveaux calculs.

About

SI Converter

Features
Read full description

SI Converter is allows you to easily convert unit following the global standard of measurement is the International System of Units (SI). The intent of this app is to provide a convenient way to convert between the various units of measurement within different systems, as well as to provide a basic understanding of the systems currently in use, and how they interact. Supported Units: Area: Square Megameters (Mm²) Square Kilometers (km²) Square Meters (m²) Square Centimeter (cm²) Square Millimeters (mm²) Square Micrometers (µm²) Square Nanometers (nm²) Square Inches (in²) Square Feet (ft²) Square Yards (yd²) Square Miles (mi²) Acres (acres) Ares (a) Hectares (ha) Lengh: Megameters (Mm) Kilometers (kM) Hectometers (hm) Decameters (dam) Meters (m) Decimeters (dm) Centimeters (cm) Millimeters (mm) Micrometers (µm) Nanometers (nm) Picometers (pm) Inches (in) Feet (ft) Yards (yd) Miles (mi) Scandinavian Miles (smi) Light Years (ly) Nautical Miles (NM) Fathoms (ftm) Furlongs (fur) Astronomical Units (ua) Parsecs (pc) Pressure: Newtons Per Meter Squared (Equivalent to Pascals) (N/m²) Gigapascals (GPa) Megapascals (MPa) Kilopascals (kPa) Hectopascals (hPa) Inches of Mercury (inHg) Bars (bar) Millibars (mbar) Millimeters of Mercury (mmHg) Pounds Per Square Inch (psi) Temperature: Kelvin (K) Degree Celsius (°C) Degree Fahrenheit (°F) volume: Megaliters (ML) Kiloliters (kL) Liters (L) Deciliters (dL) Centiliters (cL) Milliliters (mL) Cubic Kilometers (km³) Cubic Meters (m³) Cubic Decimeters (dm³) Cubic Millimeters (mm³) Cubic Inches (in³) Cubic Feet (ft³) Cubic Yards (yd³) Cubic Miles (mi³) Acre Foeet (af) Bushels (bsh) Teaspoons (tsp) Tablespoons (tbsp) Fluid Ounces (fl oz) Cups (cup) Pints (pt) Quarts (qt) Gallons (gal) Imperial Teaspoons (tsp) Imperial Tablespoons (tbsp) Imperial Fluid Ounces (fl oz) Imperial Pints (pt) Imperial Quarts (qt) Imperial Gallons (gal) Metric Cups (metric cup) Mass: Kilograms (kg) Grams (g) Decigrams (dg) Centigrams (cg) Milligrams (mg) Micrograms (µg) Nanograms (ng) Picograms (pg) Ounces (oz) Pounds (lb) Stones (st) Metric Tons (t) Short Tons (ton) Carats (ct) Ounces Troy (oz t) Slugs (slug) angle: Degrees (°) Arc Minutes Arc Seconds Radians (rad) Gradians (grad) Revolutions (rev) Speed: Meters Per Second (m/s) Kilometers Per Hour (km/h) Miles Per Hour (mph) Knots (kn) time: Hours (hr) Minutes (min) Seconds (sec) Milliseconds (ms) Microseconds (μs) Nanoseconds (ns) Picoseconds (ps)

Screenshots

Calculette Pro3 screens
SI Converter4 screens

Verdict

The call

The clearest difference is ads: Calculette Pro at none against SI Converter's shown. Calculette Pro also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 17.2). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calculette Pro ships an update every 3 weeks, SI Converter every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 5 level
Calculette Pro versus SI Converter: the parameters behind the verdict, then further details
ParameterCalculette ProSI Converter
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.2
Further details — not scored
Size10 MB4 MB
Age rating4+4+
DeveloperPhilippe BondevineRamon A. Marchante Castellanos

In-app purchases

None

Calculette Pro

No in-app purchases

None

SI Converter

No in-app purchases

Questions

Is Calculette Pro free?
Calculette Pro is free to download, with no in-app purchases.
Is SI Converter free?
SI Converter is free to download, with no in-app purchases.
Do Calculette Pro or SI Converter have ads?
SI Converter shows ads; Calculette Pro does not.
Which is updated more often, Calculette Pro or SI Converter?
Calculette Pro ships an update every 3 weeks, and SI Converter every 2 months. Most recently, Calculette Pro was updated on November 2, 2026 and SI Converter on November 5, 2026.

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