# Least Common Multiple (LCM) vs Fuel Log

The clearest difference is price: Fuel Log at Free against Least Common Multiple (LCM)'s $0.99. Fuel Log also leads on update cadence (daily vs every 38 months). Least Common Multiple (LCM)'s advantage is in-app purchases (none vs 4) and iOS requirement (14.1 vs 18). On ads and device support there is nothing between them.

Fuel Log is free to download; Least Common Multiple (LCM) costs $0.99 up front. Fuel Log sells 4 one-off in-app purchases. Least Common Multiple (LCM) asks for nothing beyond the download.

Least Common Multiple (LCM) ships an update every 38 months, Fuel Log daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Least Common Multiple (LCM) | Fuel Log |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fuel-log-mileage-tracker/id6761144477/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Daily** |
| Monetization | — | Free |
| Size | 0 MB | 9 MB |
| Requires iOS | **14.1** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [DENIS YEREMUK](https://appshunter.io/developer/1888018057) |

## 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


### Fuel Log

[App page](https://appshunter.io/ios/app/fuel-log-mileage-tracker/id6761144477)

Effortlessly track your vehicle's fuel efficiency, log maintenance, and map your road trips. This native iOS app provides beautiful summaries and reminders, ensuring your car stays in top shape and your expenses are monitored.

**Highlights:** Fuel & Efficiency Tracking, Maintenance Logs & Reminders, Trip Tracking & Interactive Maps, Monthly Recaps, Trip Cost Calculator, iCloud Sync, Import & Export Data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer Support | $9.99 | one-time |
| Developer Support | $24.99 | one-time |
| Developer Support | $49.99 | one-time |
| Developer Support | $99.99 | one-time |


## Frequently asked questions

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

Least Common Multiple (LCM) costs $0.99, with no in-app purchases.

### Is Fuel Log free?

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

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

Neither Least Common Multiple (LCM) nor Fuel Log shows ads.

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

Least Common Multiple (LCM) ships an update every 38 months, and Fuel Log daily. Most recently, Least Common Multiple (LCM) was updated on November 7, 2026 and Fuel Log 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.*