# Lạc Việt Reader vs Steam Tables Pro

The clearest difference is price: Lạc Việt Reader at Free against Steam Tables Pro's $4.99. Lạc Việt Reader also leads on iOS requirement (12.0 vs 15.1). Steam Tables Pro's advantage is review sentiment (26% vs 0%) and update cadence (every 2 months vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

Lạc Việt Reader is free to download; Steam Tables Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lạc Việt Reader ships an update every 6 months, Steam Tables Pro every 2 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Lạc Việt Reader | Steam Tables Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/lac-viet-reader/id544162048/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **26.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 11 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lac Viet Computing Corp.](https://appshunter.io/developer/384226609) | [Eduardo Almeida](https://appshunter.io/developer/906209752) |

## What reviewers say

### Lạc Việt Reader

[App page](https://appshunter.io/ios/app/lac-viet-reader/id544162048)

This tool allows users to easily read digital books on iOS devices. It offers features like zooming, font adjustment, and bookmarking for a better reading experience.

**Highlights:** Digital book reading, Zoom in/out, Font enlargement, Bookmarking, iOS device compatibility

**Features:** Vision Pro support

**In-app purchases:** none


### Steam Tables Pro

[App page](https://appshunter.io/ios/app/steam-tables-pro/id906209749)

This app calculates a comprehensive range of thermodynamic properties for steam using the IAPWS-97 equations. It allows calculations based on various input parameters like pressure, temperature, enthalpy, entropy, and quality, and displays results in charts.

**Highlights:** Calculates properties from pressure and temperature, Calculates properties from pressure and enthalpy, Calculates properties from pressure and entropy, Calculates properties from pressure and quality, Calculates properties from saturated temperature and quality, Calculates properties from enthalpy and entropy, Displays results in T-s, P-h, and H-s charts, Supports multiple units

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lạc Việt Reader free?

Lạc Việt Reader is free to download, with no in-app purchases.

### Is Steam Tables Pro free?

Steam Tables Pro costs $4.99, with no in-app purchases.

### Do Lạc Việt Reader or Steam Tables Pro have ads?

Neither Lạc Việt Reader nor Steam Tables Pro shows ads.

### Which is updated more often, Lạc Việt Reader or Steam Tables Pro?

Lạc Việt Reader ships an update every 6 months, and Steam Tables Pro every 2 months. Most recently, Lạc Việt Reader was updated on September 30, 2026 and Steam Tables Pro on October 3, 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.*