# Steam vs Unit Converter ++

The clearest difference is review sentiment: Steam at 89% against Unit Converter ++'s 20%. Steam also leads on rating (4.2 vs 1.6) and ads (none vs shown). Unit Converter ++'s advantage is price (Free vs $4.99) and iOS requirement (11.0 vs 26.0). On ratings volume, in-app purchases and device support there is nothing between them.

Unit Converter ++ is free to download; Steam costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Steam holds the better App Store score, 4.2 against 1.6. Both are backed by a comparable volume of ratings — 14 and 10 respectively. Written reviews point the same way: 89% of Steam's written reviews are positive against 20% of Unit Converter ++'s.

Steam ships an update every 6 weeks, Unit Converter ++ every 9 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Steam | Unit Converter ++ |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (14 ratings)](https://appshunter.io/ios/app/steam-tables-and-properties/id301272735/reviews)** | [1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews) |
| Number of ratings | **14** | 10 |
| Positive reviews | **88.9% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Paid | **Ad-supported** |
| Size | 11 MB | 6 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viewpoint Photography](https://appshunter.io/developer/300820573) | [Nirav Patel](https://appshunter.io/developer/787086013) |

## What reviewers say

### Steam

[App page](https://appshunter.io/ios/app/steam-tables-and-properties/id301272735)

This app calculates thermodynamic and transport properties of water and steam under various conditions. It offers two industry-standard formulations and allows for unit customization and saving of calculations.

**Highlights:** Thermodynamic property calculations, Transport property calculations, Supports IF97 and IFC-67 formulations, Unit conversion (imperial/metric), Save and compare calculations, Input range validation

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

**In-app purchases:** none


### Unit Converter ++

[App page](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028)

Easily convert between various units of measurement for length, weight, temperature, volume, and more. This offline tool is designed for travelers, students, and professionals needing quick conversions.

**Highlights:** Converts length, weight, temperature, volume, and more, Supports numerous units of measurement, Works offline, Useful for travelers, students, and professionals, Covers speed, area, pressure, power, and energy units

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

**In-app purchases:** none


## Frequently asked questions

### Is Steam free?

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

### Is Unit Converter ++ free?

Unit Converter ++ is free to download, with no in-app purchases.

### Which has better reviews, Steam or Unit Converter ++?

Steam is rated higher. Steam averages 4.2 out of 5 from 14 ratings, while Unit Converter ++ averages 1.6 from 10 ratings.

### Do Steam or Unit Converter ++ have ads?

Unit Converter ++ shows ads; Steam does not.

### Which is updated more often, Steam or Unit Converter ++?

Steam ships an update every 6 weeks, and Unit Converter ++ every 9 months. Most recently, Steam was updated on October 31, 2026 and Unit Converter ++ on November 1, 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.*