Bulk Material Density Guide vs Tank App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bulk Material Density Guide
This reference tool helps users find the bulk density of over 1700 materials. It's designed for professionals working with powders and bulk solids, assisting in conveyor specification and production system design. Search for materials by typing their name to quickly get estimated bulk density values.
- Search over 1700 materials
- Find bulk density for powders and solids
- Assists in conveyor specification
- Aids in production system design
- Quick search by typing material name
- Provides estimated density values
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You need to know bulk density to work with any powder or bulk solid. This guide lists thousands of materials and is intended to be a reference tool to assist you in conveyor specification and designing your production system. Because the bulk density of a substance varies greatly depending on how the material has been handled, the information contained in this reference tool should be used for estimation purposes only in your bulk material handling application. To calculate material density, you can scroll through the entire list or start typing the name of a compound in the search field. All materials containing those characters will be displayed. Discover the information you need to know to work with any type of power or bulk solid. In seconds you can locate the bulk density of over 1,700 materials right at your fingertips. Use this app as a reference to determine bulk density for the material in your process. Bulk density of any substance can vary depending how it has been handled, but this tool can be very helpful in giving you an estimate.
Tank App
This app simplifies tank management for businesses by monitoring fluid levels, tracking deliveries, and recording usage. It helps you stay organized with accurate volume calculations, tank farm management, and custom alerts for low inventory.
- Accurate volume calculator
- Supports all major tank types
- Tank farm manager
- PO, transfer, and vendor return logging
- Reading history and reporting
- Custom tank alerts
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Take the guesswork out of tank management. Tank App makes it easy to monitor fluid levels, track deliveries, record usage, and generate reports — all in one place. Designed for businesses that rely on fuel, oil, or chemical inventory, Tank App helps you stay organized and in control of your tank farm. KEY FEATURES: Accurate Volume Calculator Enter fluid height to instantly calculate tank volume, ullage, and usage. Supports All Major Tank Types Vertical cylinders, horizontal tanks, rectangles, and more — both metric and standard. Tank Farm Manager Save tanks and daily readings to track usage. PO, Transfer, and Vendor Return Logging Record PO receipts, and inbound/outbound transfers. Reading History & Reporting Instantly view historical readings and export shareable PDF reports by date range. Tank Alerts Set custom thresholds and get notified before tanks run low. Coming Soon: -Pro Subscription -Team Management -Cloud Sync -Desktop Hub -Smart Order Builder -Delivery Truck Manifest with Load/Unload Tracking -Delivery Tracker -Tank Farm Optimizer Whether you're managing a small site or an entire team with dozens of assets, Tank App is built to simplify your day and improve your operations.
Screenshots
Verdict
The clearest difference is update cadence: Tank App at every 5 days against Bulk Material Density Guide's every 18 months. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Bulk Material Density Guide against 5.0 for Tank App. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
Bulk Material Density Guide ships an update every 18 months, Tank App every 5 days. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.
| Parameter | Bulk Material Density Guide | Tank App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 5 — better | 4 |
| Update frequency | Every 18 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Sean Patterson | Tank App LLC |
Customer experience
Bulk Material Density Guide
Tank App
In-app purchases
Bulk Material Density Guide
No in-app purchases
Tank App
No in-app purchases







