# VerticalChinese vs Least Common Multiple PRO

The clearest difference is price: VerticalChinese at Free against Least Common Multiple PRO's $1.99. Least Common Multiple PRO's advantage is update cadence (weekly vs every 18 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

VerticalChinese is free to download; Least Common Multiple PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VerticalChinese ships an update every 18 months, Least Common Multiple PRO weekly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | VerticalChinese | Least Common Multiple PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Size | 52 MB | 179 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital X Prairie LLC](https://appshunter.io/developer/1786193588) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### VerticalChinese

[App page](https://appshunter.io/ios/app/verticalchinese/id6739588080)

**Features:** macOS Compatibility

**In-app purchases:** none


### Least Common Multiple PRO

[App page](https://appshunter.io/ios/app/least-common-multiple-pro/id6792035276)

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

**In-app purchases:** none


## Frequently asked questions

### Is VerticalChinese free?

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

### Is Least Common Multiple PRO free?

Least Common Multiple PRO costs $1.99, with no in-app purchases.

### Do VerticalChinese or Least Common Multiple PRO have ads?

Neither VerticalChinese nor Least Common Multiple PRO shows ads.

### Which is updated more often, VerticalChinese or Least Common Multiple PRO?

VerticalChinese ships an update every 18 months, and Least Common Multiple PRO weekly. Most recently, VerticalChinese was updated on October 7, 2026 and Least Common Multiple PRO on October 8, 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.*