# Calculator SC vs iSwissTool

The clearest difference is review sentiment: Calculator SC at 83% against iSwissTool's 40%. Calculator SC also leads on rating (4.7 vs 3.0) and ratings volume (118 vs 4). iSwissTool's advantage is price ($0.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Calculator SC costs $3.99 and iSwissTool $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator SC holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Calculator SC has 118 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of Calculator SC's written reviews are positive against 40% of iSwissTool's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Calculator SC | iSwissTool |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[4.7 (118 ratings)](https://appshunter.io/ios/app/calculator-sc-323pu/id301290196/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/iswisstool/id394856822/reviews) |
| Number of ratings | **118** | 4 |
| Positive reviews | **83.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Paid | Paid |
| Size | 15 MB | 28 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Öllinger](https://appshunter.io/developer/301290199) | [Swiss-Development GmbH](https://appshunter.io/developer/287329479) |

## What reviewers say

### Calculator SC

[App page](https://appshunter.io/ios/app/calculator-sc-323pu/id301290196)

This app provides a multi-functional calculator with a familiar interface. It includes scientific, unit conversion, and logic calculation modes, along with extensive mathematical functions and constants. Calculations can be shared across modes, and it supports copy-paste functionality.

**Highlights:** Scientific calculator mode, Unit converter and calculator, Logic calculator (n-base conversion), Algebraic logic and calculation priority, Variables and memories, Complex number calculations, Unit and currency converter

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Mimics classic calculators
- 🚀 Fast and efficient
- 📚 Detailed manual included
- 💰 Great value for money
- 🔄 Continuously updated

**What reviewers complain about**

- 🐛 Comma behind every number
- 🐛 Angle unit display bug
- 🐛 Rounding errors with fractions
- 🐛 Incorrect handling of negative number exponentiation
- 🐛 Watch app functionality issues

**Reported bugs**

- Deg/Rad mode switching bug with inverse tangent function
- Rounding error when using fractions
- Incorrectly calculates negative numbers squared
- Watch app not working
- App opens not working after update

**Requested features**

- Ability to change ordering of fundamental constants
- Display expressions in scientific mode
- Larger font size for expressions in DAL
- Option to revert to older UI design
- Quadratic equation solver mode


### iSwissTool

[App page](https://appshunter.io/ios/app/iswisstool/id394856822)

This app combines multiple practical tools into one virtual Swiss Army knife for your iPhone. It offers features like currency conversion, unit measurements, first aid information, and music tools, all accessible through simple gestures.

**Highlights:** Currency conversion, Measurement and unit conversions, First aid contact numbers, Position coordinates, Music tools, Built-in light sensor, Display flashlight

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator SC free?

Calculator SC costs $3.99, with no in-app purchases.

### Is iSwissTool free?

iSwissTool costs $0.99, with no in-app purchases.

### Which has better reviews, Calculator SC or iSwissTool?

Calculator SC is rated higher. Calculator SC averages 4.7 out of 5 from 118 ratings, while iSwissTool averages 3.0 from 4 ratings.

### Do Calculator SC or iSwissTool have ads?

Neither Calculator SC nor iSwissTool shows ads.

### Which is updated more often, Calculator SC or iSwissTool?

Calculator SC ships an update every 5 months, and iSwissTool every 5 months. Most recently, Calculator SC was updated on November 6, 2026 and iSwissTool on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*