# Biology Notes and Dictionary vs Introductory Physics Tutor

The clearest difference is in-app purchases: Biology Notes and Dictionary at none against Introductory Physics Tutor's 1. Biology Notes and Dictionary also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Introductory Physics Tutor sells 1 one-off in-app purchase. Biology Notes and Dictionary asks for nothing beyond the download.

## The numbers

| Metric | Biology Notes and Dictionary | Introductory Physics Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 36 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Muhammad Faizan Ali Khan](https://appshunter.io/developer/1734026777) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Biology Notes and Dictionary

[App page](https://appshunter.io/ios/app/biology-notes-and-dictionary/id6478813012)

**Features:** macOS Compatibility

**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 Biology Notes and Dictionary free?

Biology Notes and Dictionary is free to download, with no in-app purchases.

### Is Introductory Physics Tutor free?

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

### Do Biology Notes and Dictionary or Introductory Physics Tutor have ads?

Neither Biology Notes and Dictionary 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.*