# SmartPIV vs Vector Field

The clearest difference is rating: SmartPIV at 5.0 against Vector Field's 4.5. SmartPIV also leads on iOS requirement (13.0 vs 15.0). Vector Field's advantage is update cadence (every 3 months vs every 7 months) and device support (4 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartPIV holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

SmartPIV ships an update every 7 months, Vector Field every 3 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SmartPIV | Vector Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smartpiv/id1471308387/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/vector-field-particle-flow/id1598282424/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 35 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Maeder](https://appshunter.io/developer/1122594621) | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) |

## What reviewers say

### SmartPIV

[App page](https://appshunter.io/ios/app/smartpiv/id1471308387)

This application allows users to determine flow velocity in a PIV setup, replacing traditional camera and analysis software. It visually displays current analysis results through velocity vectors for easy understanding of flow development. Designed to be simple, mobile, and convenient, it offers a low-cost and intuitive alternative for hands-on training.

**Highlights:** Determine flow velocity in PIV setups, Visualize flow with velocity vectors, Replaces traditional camera and analysis software, Low-cost and intuitive application, Mobile and convenient for hands-on training

**Features:** macOS Compatibility

**In-app purchases:** none


### Vector Field

[App page](https://appshunter.io/ios/app/vector-field-particle-flow/id1598282424)

Visualize mathematical vector fields with animated particles in 2D, 3D, or spherical spaces. Input custom equations and adjust simulation parameters in real-time to explore dynamical systems and mathematical patterns interactively.

**Highlights:** 2D, 3D, and spherical vector field visualization, Customizable dx, dy, dz equations, Adjustable particle speed, density, and colors, Time-dependent field animation, Interactive 3D view rotation, Real-time rendering powered by Metal

**In-app purchases:** none


## Frequently asked questions

### Is SmartPIV free?

SmartPIV is free to download, with no in-app purchases.

### Is Vector Field free?

Vector Field is free to download, with no in-app purchases.

### Which has better reviews, SmartPIV or Vector Field?

SmartPIV is rated higher. SmartPIV averages 5.0 out of 5 from 2 ratings, while Vector Field averages 4.5 from 6 ratings.

### Do SmartPIV or Vector Field have ads?

Neither SmartPIV nor Vector Field shows ads.

### Which is updated more often, SmartPIV or Vector Field?

SmartPIV ships an update every 7 months, and Vector Field every 3 months. Most recently, SmartPIV was updated on October 17, 2026 and Vector Field on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*