Gompertz curve Calculator vs Polygon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gompertz curve Calculator
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A strong tool for software testing. Gompertz curve calculator can calculates Gompertz curve from 3-point times (t0, t1, t2) and values (A, B, C). Asymptote means the maximum or minimum value. When you enter an arbitrary time (tx), you know the value at tx (F(tx)). Gompertz model is representative of all biological growth (e.g. tumor growth). It is also used for software reliability growth model.
Polygon
Calculate complex properties of any polygonal figure, including centroids, moments of inertia, and perimeter. Simply input vertex coordinates for instant results, saving significant time on tedious calculations.
- Polygon Centroids
- Moments of Inertia (Ix, Iy, Ixy)
- Polar Moment of Inertia
- Radius of Gyration
- Principal Moments of Inertia
- Area and Perimeter
- Side Lengths
- Hollow Sections
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Polygon will allow you to calculate complex and tedious calculations related to any polygonal figure, whether concave or convex, regular or irregular, in a simple and instantaneous way: - Polygon Centroids - Moments of Inertia Ix, Iy, Ixy - Polar Moment of Inertia - Radius of gyration - Principal Moments of Inertia (Iu, Iv and their respective angles) - Area and Perimeter of the polygon - Length of each side of the polygon - Even incorporate hollow sections - Rotate the axes to a custom angle - Define new custom axes at any point - and much more You just have to enter the coordinates of the vertices of your polygon and press the button and it will immediately calculate all the previous properties, saving valuable time. Subscription Terms: Payment will be charged to Itunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turnerd off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hour prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Setting after purchase. No cancellation of the current subscription is allowed during active subscription period. For in-app purchases and subscriptions, see Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Gompertz curve Calculator at none against Polygon's 4. Gompertz curve Calculator also leads on iOS requirement (13.1 vs 17.0). Polygon's advantage is update cadence (weekly vs every 30 months). On price, ads 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. Polygon sells 4 in-app purchases, starting at $2.99 per month. Gompertz curve Calculator asks for nothing beyond the download.
Gompertz curve Calculator ships an update every 30 months, Polygon weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | Gompertz curve Calculator | Polygon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 30 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 29 MB |
| Age rating | 17+ | 4+ |
| Developer | Keiji Matsui | Adrian Caballero |
In-app purchases
Gompertz curve Calculator
No in-app purchases
Polygon
- Pro Access$2.991 Month
- Pro Access$4.996 Months
- Pro Access$6.991 Year
- Pro Access$9.99
Questions
Is Gompertz curve Calculator free?
Is Polygon free?
Do Gompertz curve Calculator or Polygon have ads?
Which is updated more often, Gompertz curve Calculator or Polygon?
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