Comparison

FingerCAD vs Tank Volume Calculators

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FingerCAD

Create detailed technical drawings on your portable device using finger-based CAD tools. Design anything from buildings to mechanical parts, with features like automatic vertex acquisition and 3D VR exploration. Export designs in standard formats for further use.

Highlights
  • Finger-assisted CAD drawing
  • Technical drawing capabilities
  • 3D VR exploration
  • DXF, OBJ, PDF export
  • Automatic vertex acquisition
  • Layer management
  • Area calculation
Features
Read full description

"FingerCAD" is the first CAD application for technical drawing with fingers assisted by computer for portable devices. With "FingerCAD" you can draw houses, bridges, planimetry of apartments, mechanical components, geometrical figures, everything that can be designed with a common PC CAD. Useful for the engineers on construction site, for architects, surveyors, designers, students etc.. The design possibilities with "FingerCAD" are endless and all this using only your portable device, during a travel or comfortably seated or standing at work. The ease of use makes it very useful and versatile. The final design can be saved using standard formats (ex. DXF) and can be sent via e-mail or printed. The zoom and pan, the customization of the drawing, the common cad tools, autosaving and the ability to continue operations even in subsequent sessions of use (at boot "FingerCAD" will load automatically the design saved in the previous session of use), possibility to add measurements and free text makes it truly unique. Each CAD object is treated as a separate object; You can then go back in time by removing the objects from last to first (also in next sessions of work), select and remove the undesired parts / incorrect objects. The "automatic acquisition of nearest vertices" facilitates the drawing of adjacent graphics objects and the function "2x" allows you to draw walls (double line) automatically (you can specify the thickness of the wall as desired). The three RGB components, alpha transparency, the freehand drawing, the ability to fill an object with colors, the color palette, the color picker, in addition to the common functions of a CAD give you the ability to add manual graphical effects at the overall design (also using freehand drawing). MODIFY, COPY AND MOVE for CAD objects (also from one layer to another one). AUTOMATIC CALCULATION OF THE MEASUREMENT OF THE AREA OF A GENERIC POLYGONAL 3D SURFACE. Virtual Reality Exploration: you can walk in the 3D model and observe it using first person view (Finger3D + FingerCAD). HIGH PRECISION OF DRAWING: using the “under finger dynamic drawing preview “ you can see exactly where for example the initial / final point of a line will be placed (observing the preview window that shows the area of drawing not visible under the finger). AUTO-PAN for work area: if you reach the border of the screen, FingerCAD shifts automatically the work area so you can continue to draw longest lines - you have not to use the "zoom out" to draw long lines. .OBJ 2D and 3D export routine: export the CAD design for 3D modeling softwares such as Finger3D, Blender, Maya 3D, etc... or print it using 3D printers DXF export/import for AutoCad, qCad, SolidWorks, LibreCAD, ... PDF export. File formats conversions: - from DXF to OBJ - from DXF to PDF - from DXF to IMAGE (JPG,PNG) 3D models can be displayed directly using the "FingerCAD 3D VIEWER". DROPBOX / iCloud Drive file sharing (IN and OUT) Ability to import DXF files from a WEB LINK and/or from an EMAIL ATTACHMENT. Ability to PRINT the design (using AirPrint). Other features: - CAD (computer assisted design) - Walls with adjustable thickness - Snap to control points - Free text - UNDO/REDO for the graphics objects, from last to first - Selection and ability to transform/move/delete selected objects - Autosave - Grid - Snap to grid - Adjustable grid - Labels indicating the finger position on the cad area - Many selectable unit of measurement - Design multi-layer and multi-floor - The selected objects can be moved or copied from one layer to another layer or from a floor to another floor - Preview of other layers in the current layer - Scale and rotate - Extend - Trim - Mirror - Send with an email the generated .dxf, .obj, .pdf files - Ability to share .dxf, .obj, .pdf with other installed apps - DXF part library (architecture, communication, electrical, electronics, mechanical, misc, processing, templates, zipf_libs)

About

Tank Volume Calculators

Easily calculate the filled and half-filled volumes of various tank types. This app offers a comprehensive volume converter for numerous units and supports 15 different tank shapes for accurate estimations.

Highlights
  • Calculate filled and half-filled tank volumes
  • Supports 15 different tank types
  • Comprehensive volume converter
  • Converts between multiple units
  • Intuitive user interface
  • Rapid capacity calculations
Features
Read full description

Introducing the Tank Volume Calculator App, the ultimate solution for users seeking accurate calculations for filled and half-filled volumes of water, oil, and gas tanks. This app boasts unparalleled simplicity and speed, making it the go-to choice for calculating tank volumes and gallons effortlessly. One standout feature is its comprehensive volume converter, facilitating conversions between various units such as cubic meters, cubic centimeters, liters, imperial gallons, U.S. gallons, and barrels (BBL), among others. With support for 15 different tank types and gallon measurements, including: Horizontal Cylinder Tank Vertical Cylinder Tank Rectangle Tank Horizontal Oval Tank Vertical Oval Tank Horizontal Capsule Tank Vertical Capsule Tank Horizontal Semi-Capsule Tank Cone Top Tank Cone Bottom Tank Semi-Sphere Tank Cone Frustum Top Tank Cone-Frustum + Cylinder Tank Cone + Frustum Bottom Tank Trapezoid Tank Key Features of the Tank Volume Calculator: Compatibility with all units (millimeters, inches, feet, centimeters, and meters). Intuitive user interface for seamless navigation. Rapid and straightforward tank capacity calculations. Please note that while the Tank Volume Calculator is an invaluable tool for estimation, it should be utilized as such.

Screenshots

FingerCAD4 screens
Tank Volume Calculators4 screens

Verdict

The call

The clearest difference is rating: Tank Volume Calculators at 2.3 against FingerCAD's 1.0. Tank Volume Calculators also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). FingerCAD's advantage is review sentiment (16% vs 0%) and update cadence (every 6 weeks vs every 4 months). On ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

FingerCAD costs $2.99 and Tank Volume Calculators $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Tank Volume Calculators holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews complicate that: 16% of FingerCAD's written reviews are positive against 0% of Tank Volume Calculators's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

FingerCAD ships an update every 6 weeks, Tank Volume Calculators every 4 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

Scorecard6 real differences · 4 level
FingerCAD versus Tank Volume Calculators: the parameters behind the verdict, then further details
ParameterFingerCADTank Volume Calculators
Price$2.99 — better$3.99
Rating1.0 (4 ratings)2.3 (3 ratings) — better
Positive reviews16.3% of reviews — better0.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size4 MB28 MB
Age rating4+4+
DeveloperGianluca NataliniKantaben Gorasiya

Customer experience

FingerCAD

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews43 reviews
Positive16.3%
Neutral11.6%
Negative72.1%

Tank Volume Calculators

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

FingerCAD

No in-app purchases

None

Tank Volume Calculators

No in-app purchases

Questions

Is FingerCAD free?
FingerCAD costs $2.99, with no in-app purchases.
Is Tank Volume Calculators free?
Tank Volume Calculators costs $3.99, with no in-app purchases.
Which has better reviews, FingerCAD or Tank Volume Calculators?
Tank Volume Calculators is rated higher. FingerCAD averages 1.0 out of 5 from 4 ratings, while Tank Volume Calculators averages 2.3 from 3 ratings.
Do FingerCAD or Tank Volume Calculators have ads?
Neither FingerCAD nor Tank Volume Calculators shows ads.
Which is updated more often, FingerCAD or Tank Volume Calculators?
FingerCAD ships an update every 6 weeks, and Tank Volume Calculators every 4 months. Most recently, FingerCAD was updated on September 26, 2026 and Tank Volume Calculators on June 1, 2026.

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