# SnapPhysics vs Introductory Biology Tutor

The clearest difference is iOS requirement: Introductory Biology Tutor at 17.0 against SnapPhysics's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SnapPhysics sells 2 in-app purchases, starting at $3.99 per 7 days and Introductory Biology Tutor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SnapPhysics | Introductory Biology Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 5 MB | 9 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Silva](https://appshunter.io/developer/1833256531) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### SnapPhysics

[App page](https://appshunter.io/ios/app/snapphysics-physics-ai/id6759679503)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapPhysics: Weekly Premium Access | $3.99 | per 7 days |
| SnapPhysics: Yearly Premium Access | $29.99 | per year |


### Introductory Biology Tutor

[App page](https://appshunter.io/ios/app/introductory-biology-tutor/id6814193597)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Introductory Biology Tutor Access | $4.99 | one-time |


## Frequently asked questions

### Is SnapPhysics free?

SnapPhysics is free to download, with in-app purchases available.

### Is Introductory Biology Tutor free?

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

### Do SnapPhysics or Introductory Biology Tutor have ads?

Neither SnapPhysics nor Introductory Biology 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.*