# LSPIV vs dicetest2

The clearest difference is update cadence: LSPIV at every 13 months against dicetest2's every 35 months. LSPIV also leads on iOS requirement (11.0 vs 14.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for LSPIV against 5.0 for dicetest2. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

LSPIV ships an update every 13 months, dicetest2 every 35 months. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | LSPIV | dicetest2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lspiv/id981387743/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/dicetest2/id1558577875/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 35 months |
| Monetization | Free | Free |
| Size | 71 MB | 1 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Tsubaki](https://appshunter.io/developer/981387742) | [Richard Loda](https://appshunter.io/developer/1291794366) |

## What reviewers say

### LSPIV

[App page](https://appshunter.io/ios/app/lspiv/id981387743)

This application enables large-scale particle image velocimetry (LSPIV) using a smartphone. It offers a non-intrusive method for measuring water surface velocity distribution in both field and lab settings. The app provides instant ortho-rectification of captured images without needing ground control points.

**Highlights:** Large-scale particle image velocimetry, Water surface velocity measurement, Non-intrusive velocimetry, Smartphone implementation, Instant ortho-rectification, No GCPs required

**Features:** macOS Compatibility

**In-app purchases:** none


### dicetest2

[App page](https://appshunter.io/ios/app/dicetest2/id1558577875)

This free app generates strong, complex passphrases using the Diceware method. It simulates dice rolls to select words from a comprehensive list, allowing for customization with personal "salt" characters and capitalization for enhanced security.

**Highlights:** Diceware passphrase generation, Simulates dice rolls, Uses Diceware word list, Customizable security options, Displays key numbers for verification, Generates long or short passphrases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LSPIV free?

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

### Is dicetest2 free?

dicetest2 is free to download, with no in-app purchases.

### Which has better reviews, LSPIV or dicetest2?

LSPIV and dicetest2 are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do LSPIV or dicetest2 have ads?

Neither LSPIV nor dicetest2 shows ads.

### Which is updated more often, LSPIV or dicetest2?

LSPIV ships an update every 13 months, and dicetest2 every 35 months. Most recently, LSPIV was updated on October 22, 2026 and dicetest2 on October 5, 2026.

---

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