Velocity Triangles Analysis vs qFt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Velocity Triangles Analysis
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VTA app is a velocity analysis application of a turbomachinery stage. The user can easily extract useful results and velocity diagrams by importing some dimensionless sizes, input-output angles and general geometric features. This application gives also the ability to compare cases with different input parameters. Through a quick and easy analysis of the velocity triangles inside a turbine or a compressor the student could experiment and thus gain a deeper understanding of the operation of an energy system. It has been developed for education purposes.
qFt
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This app represents quantum Fourier transform for five qubits. You can see the state of each qubit for every single step on quantum Fourier transform.
Screenshots
Verdict
The clearest difference is iOS requirement: Velocity Triangles Analysis at 12.0 against qFt's 16.0. 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 | Velocity Triangles Analysis | qFt |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 52 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Aristotle University of Thessaloniki | Sungjun Kim |
In-app purchases
Velocity Triangles Analysis
No in-app purchases
qFt
No in-app purchases
Questions
Is Velocity Triangles Analysis free?
Is qFt free?
Do Velocity Triangles Analysis or qFt have ads?
Other comparisons
