# Thermochemistry vs Introductory Physics Tutor

The clearest difference is price: Introductory Physics Tutor at Free against Thermochemistry's $3.99. Thermochemistry's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Introductory Physics Tutor is free to download; Thermochemistry costs $3.99 up front. Introductory Physics Tutor sells 1 one-off in-app purchase. Thermochemistry asks for nothing beyond the download.

## The numbers

| Metric | Thermochemistry | Introductory Physics Tutor |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Thermochemistry

[App page](https://appshunter.io/ios/app/thermochemistry/id1095024444)

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

**In-app purchases:** none


### Introductory Physics Tutor

[App page](https://appshunter.io/ios/app/introductory-physics-tutor/id6815791812)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is Thermochemistry free?

Thermochemistry costs $3.99, with no in-app purchases.

### Is Introductory Physics Tutor free?

Introductory Physics Tutor is free to download, with in-app purchases available.

### Do Thermochemistry or Introductory Physics Tutor have ads?

Neither Thermochemistry nor Introductory Physics Tutor shows ads.

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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.*