# Least Common Multiple (LCM) vs Chatometer

The clearest difference is in-app purchases: Least Common Multiple (LCM) at none against Chatometer's 1. Least Common Multiple (LCM) also leads on iOS requirement (14.1 vs 17.0). Chatometer's advantage is update cadence (every 5 days vs every 38 months). On price, ads and device support there is nothing between them.

Both are free to download. Chatometer sells 1 one-off in-app purchase. Least Common Multiple (LCM) asks for nothing beyond the download.

Least Common Multiple (LCM) ships an update every 38 months, Chatometer every 5 days. The most recent releases landed on October 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Least Common Multiple (LCM) | Chatometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/chatometer/id6744563294/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 11 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Nicholas Baughan](https://appshunter.io/developer/1526859820) |

## 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


### Chatometer

[App page](https://appshunter.io/ios/app/chatometer/id6744563294)

This app provides fun insights into your messaging habits by analyzing chat data. It reveals message counts, activity trends, and word usage, all processed securely offline. An optional in-app purchase unlocks the ability to analyze more than three conversations.

**Highlights:** Message, word, and character totals, Messaging activity over time, Most active hours and days, Top words and emoji analysis, Longest words sent, Offline chat analysis, iCloud sync across devices

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatometer Plus | $2.99 | one-time |


## Frequently asked questions

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

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

### Is Chatometer free?

Chatometer is free to download, with in-app purchases available.

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

Neither Least Common Multiple (LCM) nor Chatometer shows ads.

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

Least Common Multiple (LCM) ships an update every 38 months, and Chatometer every 5 days. Most recently, Least Common Multiple (LCM) was updated on October 19, 2026 and Chatometer on September 29, 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.*