# Thermodynamics Calculator vs BALTECH Mobile ID

The clearest difference is price: BALTECH Mobile ID at Free against Thermodynamics Calculator's $1.99. BALTECH Mobile ID also leads on update cadence (every 3 months vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BALTECH Mobile ID is free to download; Thermodynamics Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermodynamics Calculator ships an update every 7 months, BALTECH Mobile ID every 3 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Thermodynamics Calculator | BALTECH Mobile ID |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (30 ratings)](https://appshunter.io/ios/app/thermodynamics-calculator/id521684348/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 11 MB | 62 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Baltech AG](https://appshunter.io/developer/1539082632) |

## What reviewers say

### Thermodynamics Calculator

[App page](https://appshunter.io/ios/app/thermodynamics-calculator/id521684348)

This app offers 44 essential thermodynamics calculators and thermal engineering tables. It provides quick access to formulas, definitions, and data, making it a valuable tool for engineers and students.

**Highlights:** 44 thermodynamics calculators, Thermal engineering tables, Formulas, tables, and definitions, Compatible with iPhone and iPad, Quick and easy reference

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

**In-app purchases:** none


### BALTECH Mobile ID

[App page](https://appshunter.io/ios/app/baltech-mobile-id/id1631352562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermodynamics Calculator free?

Thermodynamics Calculator costs $1.99, with no in-app purchases.

### Is BALTECH Mobile ID free?

BALTECH Mobile ID is free to download, with no in-app purchases.

### Do Thermodynamics Calculator or BALTECH Mobile ID have ads?

Neither Thermodynamics Calculator nor BALTECH Mobile ID shows ads.

### Which is updated more often, Thermodynamics Calculator or BALTECH Mobile ID?

Thermodynamics Calculator ships an update every 7 months, and BALTECH Mobile ID every 3 months. Most recently, Thermodynamics Calculator was updated on November 4, 2026 and BALTECH Mobile ID on November 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.*