# TLV ToolBox vs Steam Tables Lite

The clearest difference is review sentiment: TLV ToolBox at 75% against Steam Tables Lite's 21%. TLV ToolBox also leads on in-app purchases (none vs 1) and iOS requirement (9.3 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Steam Tables Lite sells 1 one-off in-app purchase. TLV ToolBox asks for nothing beyond the download.

TLV ToolBox ships an update every 4 months, Steam Tables Lite every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | TLV ToolBox | Steam Tables Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/tlv-toolbox/id653406777/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **75.0% of reviews** | 21.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 31 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TLV CO.,LTD.](https://appshunter.io/developer/653406780) | [Eduardo Almeida](https://appshunter.io/developer/906209752) |

## What reviewers say

### TLV ToolBox

[App page](https://appshunter.io/ios/app/tlv-toolbox/id653406777)

This utility app transforms your mobile device into a portable steam calculation tool. It assists with onsite calculations for control valve stations, condensate recovery systems, and various maintenance tasks, reducing the need for multiple trips.

**Highlights:** Steam Tables (saturated and superheated), Steam Pipe Sizing, Condensate Pipe Sizing, Heating Calculations, Cv and Kv Values, Stall Point

**Features:** macOS Compatibility

**In-app purchases:** none


### Steam Tables Lite

[App page](https://appshunter.io/ios/app/steam-tables-lite/id1046405234)

This utility app calculates thermodynamic properties using IAPWS-97 equations. It allows users to determine various properties like pressure, temperature, enthalpy, and specific volume based on different input parameters. The app supports multiple units for calculations.

**Highlights:** IAPWS-97 equation calculations, Calculate properties from pressure and temperature, Calculate properties from pressure and enthalpy, Calculate properties from pressure and entropy, Calculate properties from pressure and quality, Support for multiple units

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Steam Tables | $3.99 | one-time |


## Frequently asked questions

### Is TLV ToolBox free?

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

### Is Steam Tables Lite free?

Steam Tables Lite is free to download, with in-app purchases available.

### Do TLV ToolBox or Steam Tables Lite have ads?

Neither TLV ToolBox nor Steam Tables Lite shows ads.

### Which is updated more often, TLV ToolBox or Steam Tables Lite?

TLV ToolBox ships an update every 4 months, and Steam Tables Lite every 3 months. Most recently, TLV ToolBox was updated on October 24, 2026 and Steam Tables Lite on October 24, 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.*