WS Geometry vs GhostCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WS Geometry
This app is a comprehensive geometry calculator designed for machinists, designers, and manufacturing professionals. It offers on-screen keypads and calculates formulas for various plane figures, including triangles and circles, with options for degrees, minutes, and seconds.
- On-screen keypad
- Triangle formulas in degrees, minutes, seconds
- Area calculations for all figures
- Decimal place selector
- Calculates various plane figures
- Supports triangles with inscribed shapes
Read full descriptionHide full description
Workshop (WS) Geometry Calculator Is a full functioning geometry calculator simply designed for the Machinists Workshop, Designer's and Manufacturing Personal. Features; *On Screen keypad. *All Triangles formulate in Degree's, Minutes and Seconds, besides Degree's. *Calculates for Area on all figures. *Decimal Place selector. It currently calculates Plane Figures for; *Triangles > Right Angle, Acute Angle, Obtuse Angle, Equilateral, Isosceles. *Cirlces > Simple, Sector in a Circle, Segment of a Circle, Circular Ring, Circular Ring Sector, Also Triangles with following shapes inside... Triangle, Square, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon, Hendecagon, Polygon. *Square *Rectangle *Parallelogram *Rhombus *Trapeziod *Spandrel *Ellipse *Trapezium
GhostCalc
Read full descriptionHide full description
GhostCalc is the companion app for the GhostCalc calculator — a hardware-modded TI-84 Plus with built-in AI assistance. Use this app to configure your GhostCalc WiFi connection via Bluetooth, so your calculator can send questions directly to an AI and receive answers on its screen. Features: Connect your GhostCalc to any WiFi network Secure BLE pairing Simple setup in seconds Note: Requires an GhostCalc calculator (available at ai84calc.com). This app is a hardware companion and requires the physical device to function.
Screenshots
Verdict
The clearest difference is update cadence: GhostCalc at weekly against WS Geometry's every 6 months. WS Geometry's advantage is iOS requirement (9.0 vs 15.5). On price, ads, in-app purchases and device support 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.
WS Geometry ships an update every 6 months, GhostCalc weekly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.
| Parameter | WS Geometry | GhostCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 56 MB | 25 MB |
| Age rating | 4+ | 12+ |
| Developer | Rein Rapp | RAFAEL RAEHMAN NAGIEV |
In-app purchases
WS Geometry
No in-app purchases
GhostCalc
No in-app purchases
