# Metric Seconds vs Scale Switch

The clearest difference is iOS requirement: Metric Seconds at 14.1 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.

Metric Seconds ships an update every 7 months, Scale Switch every 4 months. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Metric Seconds | Scale Switch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/metric-seconds/id1257282334/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **14.1** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tangozulu R&D](https://appshunter.io/developer/373001554) | [Alberto Purpura](https://appshunter.io/developer/1661532927) |

## What reviewers say

### Metric Seconds

[App page](https://appshunter.io/ios/app/metric-seconds/id1257282334)

This utility app simplifies time calculations by converting to and from metric units. It allows users to tell and measure time using seconds as the base unit, with multipliers like kilo, Mega, and Giga for larger durations. It offers a fun and practical way to approach time measurement, especially for scientific or engineering contexts.

**Highlights:** Convert time to and from metric units, Tell time in metric, Measure time in metric, Uses seconds as the base unit, Supports metric multipliers (kilo, Mega, Giga), UTC-based time with no time zones

**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 Metric Seconds free?

Metric Seconds 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 Metric Seconds or Scale Switch have ads?

Neither Metric Seconds nor Scale Switch shows ads.

### Which is updated more often, Metric Seconds or Scale Switch?

Metric Seconds ships an update every 7 months, and Scale Switch every 4 months. Most recently, Metric Seconds 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.*