# Least Common Multiple (LCM) vs Voice Studio Pro

The clearest difference is price: Least Common Multiple (LCM) at Free against Voice Studio Pro's $24.99. Least Common Multiple (LCM) also leads on iOS requirement (14.1 vs 18.0). Voice Studio Pro's advantage is update cadence (every 10 days 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; Voice Studio Pro costs $24.99 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, Voice Studio Pro every 10 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Least Common Multiple (LCM) | Voice Studio Pro |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/voice-studio-pro/id6783463649/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 0 MB | 6 MB |
| Requires iOS | **14.1** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, 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


### Voice Studio Pro

[App page](https://appshunter.io/ios/app/voice-studio-pro/id6783463649)

Record high-quality audio on your Apple devices with professional-grade features. This free app offers lossless recording, editing tools, and background playback, all while prioritizing user privacy with on-device storage.

**Highlights:** Studio-quality lossless audio recording, Trim and save audio segments, Create custom ringtones, Background and scheduled recording, Voice activation and bookmarks, Apple Watch integration

**Features:** 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 Voice Studio Pro free?

Voice Studio Pro costs $24.99, with no in-app purchases.

### Do Least Common Multiple (LCM) or Voice Studio Pro have ads?

Neither Least Common Multiple (LCM) nor Voice Studio Pro shows ads.

### Which is updated more often, Least Common Multiple (LCM) or Voice Studio Pro?

Least Common Multiple (LCM) ships an update every 38 months, and Voice Studio Pro every 10 days. Most recently, Least Common Multiple (LCM) was updated on November 11, 2026 and Voice Studio Pro on October 31, 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.*