Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Accurate volume calculator
  • Supports all major tank types
  • Tank farm manager
  • PO, transfer, and vendor return logging
  • Reading history and reporting
  • Custom tank alerts
Features
Read full description

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

Bulk Material Density Guide4 screens
Tank App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Bulk Material Density Guide versus Tank App: the parameters behind the verdict, then further details
ParameterBulk Material Density GuideTank App
PriceFreeFree
Rating5.0 (5 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 18 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size3 MB52 MB
Age rating4+4+
DeveloperSean PattersonTank App LLC

Customer experience

Bulk Material Density Guide

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Tank App

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Bulk Material Density Guide

No in-app purchases

None

Tank App

No in-app purchases

Questions

Is Bulk Material Density Guide free?
Bulk Material Density Guide is free to download, with no in-app purchases.
Is Tank App free?
Tank App is free to download, with no in-app purchases.
Which has better reviews, Bulk Material Density Guide or Tank App?
Bulk Material Density Guide and Tank App are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.
Do Bulk Material Density Guide or Tank App have ads?
Neither Bulk Material Density Guide nor Tank App shows ads.
Which is updated more often, Bulk Material Density Guide or Tank App?
Bulk Material Density Guide ships an update every 18 months, and Tank App every 5 days. Most recently, Bulk Material Density Guide was updated on October 5, 2026 and Tank App on October 24, 2026.

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