Simple Units Converter lite vs Calculation Pad
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Units Converter lite
Easily convert between various units of measurement with this user-friendly calculator. It offers a wide range of dimensions and units for everyday use and specific applications.
- Extensive unit library
- 22 different dimensions
- User-friendly interface
- General-purpose calculator
- Lite version
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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 458 different units and 22 different dimensions: Acceleration (27) Angle (21) Area (31) Cooking (27) Data Storage (16) Density (16) Energy (40) Flow (Volume) (22) Force (16) Frequency (7) Illuminance (5) Length / Distance (30) Luminance (8) Luminous Intensity (4) Magnetic Flux (6) Pressure (28) Speed / Velocity (14) Temperature (7) Time (20) Volume (71) Volume - Dry (6) Weight / Mass (36)
Calculation Pad
This calculator app keeps a history of your calculations, allowing you to easily reuse past results. It offers enhanced security features like fingerprint or password protection for sensitive data. Despite its advanced functionality, it remains free to use.
- Calculation history
- Reuse past calculations
- Add taxes
- Fingerprint/password/face protection
- Free to use
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Calculation Pad is a calculator. Of course it can keep your history, and add taxes to your calculation easily, and use your history for a new calculation. Even if you are a spy running a top secret project, you can easily protect your calculation result with your fingerprint or password or your face. However functional this calculator this is, it can't beat the price of your daily necessities. After all, it's just a calculator.
Screenshots
Verdict
The clearest difference is in-app purchases: Simple Units Converter lite at none against Calculation Pad's 5. Calculation Pad's advantage is update cadence (fortnightly vs every 8 months) and iOS requirement (13.0 vs 16.2). On price, rating, ratings volume 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
Both are free to download. Calculation Pad sells 5 one-off in-app purchases. Simple Units Converter lite asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Simple Units Converter lite against 5.0 for Calculation Pad. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Simple Units Converter lite ships an update every 8 months, Calculation Pad fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Simple Units Converter lite | Calculation Pad |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 8 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Mind Trends LLC | Yukio Tajima |
Customer experience
Simple Units Converter lite
Calculation Pad
In-app purchases
Simple Units Converter lite
No in-app purchases
Calculation Pad
- Developer Support$0.99
- Small tip$0.99
- Medium tip$3.99
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- Developer Support$6.99
- Large tip$6.99
Questions
Is Simple Units Converter lite free?
Is Calculation Pad free?
Which has better reviews, Simple Units Converter lite or Calculation Pad?
Do Simple Units Converter lite or Calculation Pad have ads?
Which is updated more often, Simple Units Converter lite or Calculation Pad?
Other comparisons
