SWEapp vs WingFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SWEapp
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Shallow water equations are the set of equations to describe surface water flow. This app demonstrates the behavior of one-dimensional shallow water flow visually by solving the shallow water equations.
WingFlow
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WingFlow is a mini, interactive Computational Fluid Dynamics (CFD) app for iOS that lets you explore how wings and airfoils behave in flight. Selected as a winner of Apple’s 2026 Swift Student Challenge, WingFlow makes aerodynamic concepts visual, interactive, and easy to understand. Features: • Choose from popular airfoil designs including: Trainer (based on the Cessna 172) Glider Utility (inspired by STOL aircraft) • Design your own airfoils in the Custom Wing Builder: Adjust camber, chord, and thickness See changes update in real time • Fine-tune simulation settings with interactive sliders: Airspeed Angle of attack Particle density (simulation load) • Watch live lift and drag gauges respond instantly to your changes • Tap tooltips (?) throughout the app to learn aerospace concepts and terminology Experiment, learn, and see the physics of flight come to life.
Screenshots
Verdict
The clearest difference is iOS requirement: SWEapp at 11.0 against WingFlow's 18.1. 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.
| Parameter | SWEapp | WingFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 17 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryota Tsubaki | Lana Sambol |
In-app purchases
SWEapp
No in-app purchases
WingFlow
No in-app purchases
