Machine Train Alignment vs Tank Volume Calculator A1 PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Machine Train Alignment
This app guides users through machine train shaft alignment using Bluetooth-connected sensors. It offers an adaptive interface and a VertiZontal™ feature for simultaneous vertical and horizontal adjustments. Generate instant PDF reports for on-site documentation.
- Bluetooth connectivity
- Adaptive user interface
- VertiZontal™ adjustment
- Instant PDF reporting
- Guided measurement process
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This is a companion app for performing shaft alignment, using the RT 300/AT400/AT300 on machine train applications. The app guides the user throughout the complete measurement and alignment process when using the Bluetooth® connected ACOEM sensors. The PDF Report function provides a fast on-site reporting capability by converting saved measurement reports into PDF files. ---- Note: This app works only with the ACOEM RT-300, AT400/AT-300 ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - VertiZontal™: adjust the machine both vertically and horizontally without re-measuring - Create an instant PDF-report Visit the website www.acoem.com for more information on alignment in general, the ACOEM tools and support of the app.
Tank Volume Calculator A1 PRO
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Tank Volume Calculator is a professional engineering tool for calculating the volume, weight, and fill level of tanks and containers across 24 unique shapes. Whether you're an engineer sizing industrial storage tanks, a contractor estimating concrete volumes, or a farmer calculating water tank capacity — this app gives you instant, accurate results without manual formula lookups. — 24 TANK SHAPES — Calculate volumes for shapes including: • Vertical & Horizontal Cylindrical Tanks • Rectangular Tanks (standard & sloped bottom) • Spherical & Hemispherical Tanks • Conical & Frustum Cone Tanks • Capsule Tanks (horizontal & vertical) • Elliptical Tanks (horizontal & vertical) • Hexagonal & Octagonal Prism Tanks • Pyramidal & Inverted Pyramid Tanks • L-Shaped Tanks • Horizontal Oval (Stadium) Tanks • And more — PARTIAL FILL CALCULATIONS — Don't just calculate total volume — enter the current fill height to instantly compute: • Occupied volume (how much is in the tank) • Empty volume (remaining capacity) • Fill percentage (%) • Weight of material based on density — MATERIAL DENSITY DATABASE — Built-in searchable database of material densities displayed in both kg/m³ and lb/ft³. Select a material and the app automatically calculates the weight of the liquid or material in your tank. Pro users can add, edit, and delete custom materials. — 4 UNIT CONVERTERS — Convert between common engineering units in one tap: • Density: g/cm³, kg/m³, kg/L, lb/ft³, lb/gal, oz/in³ • Volume: Liters, mL, cubic inch, cubic foot, cubic meter, US gallons • Length: Meters, centimeters, millimeters, feet, inches • Temperature: Celsius, Fahrenheit, Kelvin — SCIENTIFIC & CONSTRUCTION CALCULATOR — Two calculator modes built for professionals: Scientific: sin, cos, tan, log, ln, sqrt, power, pi, memory, parentheses, and more. Construction: Store Length, Width, and Height values, auto-compute area and volume, calculate diagonals, estimate material costs with a rate/price function, and perform mixed-unit arithmetic (e.g., "5 m + 3 ft" auto-converts). Includes a paper tape history to review, label, and share past calculations. — SAVE, EXPORT & SHARE — • Save calculations for future reference • Export professional PDF reports with inputs and results • Share results instantly via text • Favorite your most-used tank shapes for quick access — STUDY REFERENCE LIBRARY — Built-in articles and formulas for every tank shape — learn the math behind the calculations. Perfect for students and professionals alike. — WORKS OFFLINE — All calculations, converters, material data, and study content work with no internet connection. Your data stays on your device. — AVAILABLE IN 6 LANGUAGES — English, Hindi, Spanish, Portuguese, Arabic, and Turkish — with full localization for each. Unlock all 24 tank shapes, unlimited calculations, unlimited saves, PDF export, full material database access, and custom material support. No subscriptions — pay once, use forever. Download Tank Volume Calculator today and get accurate tank measurements in seconds.
Screenshots
Verdict
The clearest difference is in-app purchases: Machine Train Alignment at none against Tank Volume Calculator A1 PRO's 1. Tank Volume Calculator A1 PRO's advantage is update cadence (daily vs every 10 months). On price, ads, device support and iOS requirement 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. Tank Volume Calculator A1 PRO sells 1 one-off in-app purchase. Machine Train Alignment asks for nothing beyond the download.
Machine Train Alignment ships an update every 10 months, Tank Volume Calculator A1 PRO daily. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.
| Parameter | Machine Train Alignment | Tank Volume Calculator A1 PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 124 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | ACOEM Group | Binary And Bricks Pvt Ltd |
In-app purchases
Machine Train Alignment
No in-app purchases
Tank Volume Calculator A1 PRO
- Tank Volume Pro$2.99





