Federgraph vs Monte Carlo Pi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Federgraph
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Federgraph is a function plotter app to visualize a special built in function z = f(x, y) in 3D. The physical model behind the app is a system of springs. The built in function produces a variety of colorful pictures, some of which appear to have a face. Changing the parameters of the physical model will trigger a recalculation of the image.
Monte Carlo Pi
Explore the mathematical concept of pi through a fun, educational demonstration. This app uses a simulation to help you understand how pi can be approximated. It's designed for learning and enjoyment.
- Pi approximation demonstration
- Educational simulation
- Fun learning experience
- Focus on mathematical concepts
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The Monte Carlo Pi app demonstrates the approach to deriving the value of the uncalculate-able quantity, pi. This is purely educational and fun. Feedback welcomed.
Screenshots
Verdict
Federgraph and Monte Carlo Pi are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Federgraph ships an update every 15 months, Monte Carlo Pi every 22 months. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.
| Parameter | Federgraph | Monte Carlo Pi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustav Schubert | Joshua D. steinberg |
In-app purchases
Federgraph
No in-app purchases
Monte Carlo Pi
No in-app purchases
Questions
Is Federgraph free?
Is Monte Carlo Pi free?
Do Federgraph or Monte Carlo Pi have ads?
Which is updated more often, Federgraph or Monte Carlo Pi?
Other comparisons
