# Least Common Multiple (LCM) vs dB Meter

The clearest difference is price: Least Common Multiple (LCM) at Free against dB Meter's $12.99. Least Common Multiple (LCM) also leads on iOS requirement (14.1 vs 17.0). dB Meter's advantage is update cadence (monthly vs every 38 months). On ads, in-app purchases and device support there is nothing between them.

Least Common Multiple (LCM) is free to download; dB Meter costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Least Common Multiple (LCM) ships an update every 38 months, dB Meter monthly. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Least Common Multiple (LCM) | dB Meter |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Monthly** |
| Size | 0 MB | 4 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Birkan Aksoy](https://appshunter.io/developer/1626910993) |

## What reviewers say

### Least Common Multiple (LCM)

[App page](https://appshunter.io/ios/app/least-common-multiple-lcm/id1572012661)

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

**In-app purchases:** none


### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-sound-level/id6784445985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Least Common Multiple (LCM) free?

Least Common Multiple (LCM) is free to download, with no in-app purchases.

### Is dB Meter free?

dB Meter costs $12.99, with no in-app purchases.

### Do Least Common Multiple (LCM) or dB Meter have ads?

Neither Least Common Multiple (LCM) nor dB Meter shows ads.

### Which is updated more often, Least Common Multiple (LCM) or dB Meter?

Least Common Multiple (LCM) ships an update every 38 months, and dB Meter monthly. Most recently, Least Common Multiple (LCM) was updated on October 19, 2026 and dB Meter on October 5, 2026.

---

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