# App4Sales Legacy vs LubeMonitor

The clearest difference is update cadence: App4Sales Legacy at monthly against LubeMonitor's every 3 months. App4Sales Legacy also leads on iOS requirement (10.3 vs 12.0). LubeMonitor's advantage is device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

App4Sales Legacy ships an update monthly, LubeMonitor every 3 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | App4Sales Legacy | LubeMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/app4sales-legacy/id815528148/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 62 MB | 48 MB |
| Requires iOS | **10.3** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Optimizers B.V.](https://appshunter.io/developer/362483158) | [Shell Information Technology International B.V.](https://appshunter.io/developer/410842826) |

## What reviewers say

### App4Sales Legacy

[App page](https://appshunter.io/ios/app/app4sales-legacy/id815528148)

Streamline your sales process with this mobile order-taking application. Access your complete customer database, browse a digital catalog, and let customers sign orders directly on your device. Orders are automatically created in your ERP system, eliminating manual entry.

**Highlights:** Digital catalog and lookbook, Quick order registration, Customer-specific price lists, Customer signature capture, ERP system integration, Offline mode for customers and catalog, Barcode scanning

**In-app purchases:** none


### LubeMonitor

[App page](https://appshunter.io/ios/app/lubemonitor/id1483579116)

This service helps users monitor their ship's 2-stroke engine performance to reduce maintenance costs. It consolidates cylinder condition monitoring for real-time insights, enabling informed decisions to optimize oil consumption and extend component life.

**Highlights:** Engine performance monitoring, Maintenance cost reduction, Cylinder condition tracking, Real-time data updates, Optimized oil consumption, Extended component lifetime

**In-app purchases:** none


## Frequently asked questions

### Is App4Sales Legacy free?

App4Sales Legacy is free to download, with no in-app purchases.

### Is LubeMonitor free?

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

### Do App4Sales Legacy or LubeMonitor have ads?

Neither App4Sales Legacy nor LubeMonitor shows ads.

### Which is updated more often, App4Sales Legacy or LubeMonitor?

App4Sales Legacy ships an update monthly, and LubeMonitor every 3 months. Most recently, App4Sales Legacy was updated on October 2, 2026 and LubeMonitor on October 12, 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.*