# 2nd Calc vs Scale Switch

The clearest difference is iOS requirement: 2nd Calc at 12.0 against Scale Switch's 18.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

2nd Calc ships an update every 6 months, Scale Switch every 4 months. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 2nd Calc | Scale Switch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/2nd-calc-tips-temps-times/id6460259004/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 41 MB | 2 MB |
| Requires iOS | **12.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scott Kier](https://appshunter.io/developer/1590432802) | [Alberto Purpura](https://appshunter.io/developer/1661532927) |

## What reviewers say

### 2nd Calc

[App page](https://appshunter.io/ios/app/2nd-calc-tips-temps-times/id6460259004)

This utility app simplifies everyday calculations with a tip calculator, temperature and unit converters, a real-time currency converter, and a multi-city time zone display. It aims to be your go-to tool for common daily tasks, keeping complex calculators for specialized needs.

**Highlights:** Tip calculator, Temperature conversion (F/C), Unit converter (distance/weight), Real-time currency converter, Multi-city time zone display

**Features:** macOS Compatibility

**In-app purchases:** none


### Scale Switch

[App page](https://appshunter.io/ios/app/scale-switch/id6740058611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2nd Calc free?

2nd Calc is free to download, with no in-app purchases.

### Is Scale Switch free?

Scale Switch is free to download, with no in-app purchases.

### Do 2nd Calc or Scale Switch have ads?

Neither 2nd Calc nor Scale Switch shows ads.

### Which is updated more often, 2nd Calc or Scale Switch?

2nd Calc ships an update every 6 months, and Scale Switch every 4 months. Most recently, 2nd Calc was updated on June 1, 2026 and Scale Switch on September 11, 2026.

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