LubeMonitor vs JustSell Sales Rep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LubeMonitor
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.
- Engine performance monitoring
- Maintenance cost reduction
- Cylinder condition tracking
- Real-time data updates
- Optimized oil consumption
- Extended component lifetime
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Shell's LubeMonitor service lets users understand their ship's 2-stroke engine performance better and helps reduce maintenance costs. No more working across different systems; Shell LubeMonitor automatically combines all cylinder condition monitoring activities. Having in-depth information in one place with real-time updates allows users to make informed and quicker decisions, as well as optimise oil consumption and extend component lifetime. Note: An active LubeMonitor account is required to use this app. Please contact you Shell Marine Account Manager for more information.
JustSell Sales Rep
Manage orders, payments, leads, customers, and product catalogs from a single mobile application. This tool enables sales teams to work effectively offline and syncs data automatically when connected, ensuring no sales are missed.
- Order and payment management
- Product catalog browsing and search
- Lead and customer contact management
- Nearby leads and map view
- Quote creation and conversion
- Offline mode with automatic sync
- Sales commission tracking
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JustSell Sales Rep is a powerful mobile app designed for small to large-sized businesses to manage orders, payments, leads, customers, quotes and a full product catalog — all from one app. Whether your sales team is on the road visiting clients or working in-store, the app works seamlessly offline and syncs automatically when connected, ensuring you never miss a sale or lose data. KEY FEATURES: Orders & Payments - Create, edit and submit sales orders on the go - Receive payments with multiple payment methods - Track payment history and remaining balances - Apply fixed or percentage discounts to orders - View order history and download order documents Product Catalog - Browse products by categories and subcategories - Search, sort and filter products with ease - View product details, variations, pricing and stock levels - Add products to orders directly from the catalog - Sync your latest product catalog and pricing in real-time Leads & Customers - Manage leads and customer contacts in one place - Add new leads and customers with full address details - View customers on a nearby map with navigation - Filter customers by status, city and more - Quick actions: call, email or navigate to any contact Nearby Leads & Map View - Discover nearby businesses and places on an interactive map - Search for places in real-time and view them on the map - Add any place directly as a new lead with one tap - View all your leads and customers pinned on the map - Get directions and navigate to any lead or customer location - Call or email contacts directly from the map view Quotes - Create and manage professional quotes - Add products with quantities and custom pricing - Email quotes directly to customers from the app - Convert quotes to orders seamlessly Sync & Offline Mode - Works fully offline — sync when connected - Manual or automatic sync options - Real-time sync progress tracking - Choose Wi-Fi, 4G or both for data sync Additional Features - Dual App version support (Legacy System and New System) - Role-based access and permissions - Sales commission tracking - Multi-currency support - Barcode/SKU product search - Profile and password management - Follow-up date tracking for leads and customers
Screenshots
Verdict
The clearest difference is update cadence: JustSell Sales Rep at every 2 weeks against LubeMonitor's every 3 months. LubeMonitor's advantage is iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LubeMonitor ships an update every 3 months, JustSell Sales Rep every 2 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | LubeMonitor | JustSell Sales Rep |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 48 MB | 106 MB |
| Age rating | 4+ | 4+ |
| Developer | Shell Information Technology International B.V. | SenServe Limited |
Customer experience
LubeMonitor
JustSell Sales Rep
In-app purchases
LubeMonitor
No in-app purchases
JustSell Sales Rep
No in-app purchases
Questions
Is LubeMonitor free?
Is JustSell Sales Rep free?
Do LubeMonitor or JustSell Sales Rep have ads?
Which is updated more often, LubeMonitor or JustSell Sales Rep?
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