Simple Units Converter vs Conversions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Units Converter
Read full descriptionHide full description
Simple Units Converter is a general-use units conversion calculator good for anyone interested in converting from one set of units to another. It was developed with ease of use as a primary objective. Has 586 different units and 47 different dimensions: Acceleration (27) Angle (21) Area (31) Change in Temperature (4) Cooking (27) Data Storage (16) Density (16) Electric Charge (8) Electric Current (5) Electric Dipole (3) Electric Potential Difference (3) Electrical Conductivity (14) Energy (40) Enthalpy Mass (4) Enthalpy Molar (4) Enthalpy Normal Volume (2) Enthalpy Volume (4) Flow (Volume) (22) Force (16) Frequency (7) Fuel Consumption (15) Illuminance (5) Length / Distance (30) Luminance (8) Luminous Intensity (4) Magnetic Flux (6) Magnetic Flux Density (4) Molar Energy (7) Molar Heat Capacity (2) Molar Mass (13) Power / Heat Flow Rate (34) Pressure (28) Radiation - Absorbed Dose (8) Radiation - Equivalent Dose (4) Radiation - Exposure (3) Radiation - Source Activity (5) Specific Heat (5) Speed / Velocity (14) Temperature (7) Thermal Conductivity (8) Time (20) Torque (6) Viscosity - Dynamic (9) Viscosity - Kinematic (4) Volume (71) Volume - Dry (6) Weight / Mass (36)
Conversions
Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.
- Convert 100+ units
- Temperature, length, weight conversions
- View conversion formulas
- Copy and share conversions
- Native iOS design
- Ad-free experience
Read full descriptionHide full description
Conversions helps you convert different units of measurement, including units of temperature, length, or weight. Use Conversions to convert common measures, such as Fahrenheit to Celsius, meters to feet, and pounds to kilograms, or more technical ones, such as Joule to Kilowatt Hour, Newton to Pound-Force, and Pascal to Bar. Features: · Convert over 100 units across categories like angle, area, data, energy, force, length, power, pressure, speed, temperature, time, volume, and weight · Keep track of up to 100 of your recent conversions · Save up to 25 favorites for quick access · View the exact formulas behind each conversion · Look up unit details, including symbols, measurement systems, and conversion formulas for related units · Copy your conversions to clipboard or share directly with others · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Conversions provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/conversions/terms-of-service Privacy Policy: https://crater.tools/conversions/privacy-policy
Screenshots
Verdict
The clearest difference is price: Conversions at Free against Simple Units Converter's $0.99. Conversions also leads on update cadence (every 2 weeks vs every 8 months). Simple Units Converter's advantage is iOS requirement (16.2 vs 18.6). On ads, 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
Conversions is free to download; Simple Units Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Units Converter ships an update every 8 months, Conversions every 2 weeks. The most recent releases landed on August 8, 2026 and October 21, 2026 respectively.
| Parameter | Simple Units Converter | Conversions |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 8 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 9 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Mind Trends LLC | Piotr Bakker |
In-app purchases
Simple Units Converter
No in-app purchases
Conversions
No in-app purchases
Questions
Is Simple Units Converter free?
Is Conversions free?
Do Simple Units Converter or Conversions have ads?
Which is updated more often, Simple Units Converter or Conversions?
Other comparisons
