# Off the Curriculum vs Periodic Table Ultimate

The clearest difference is in-app purchases: Off the Curriculum at none against Periodic Table Ultimate's 3. On price and iOS requirement there is nothing between them.

Both are free to download. Periodic Table Ultimate sells 3 in-app purchases, starting at $2.99 per month. Off the Curriculum asks for nothing beyond the download.

## The numbers

| Metric | Off the Curriculum | Periodic Table Ultimate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/periodic-table-ultimate/id6749167499/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Freemium |
| Size | 64 MB | 48 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Levermore](https://appshunter.io/developer/1798067382) | [Denis Chashchin](https://appshunter.io/developer/493558586) |

## What reviewers say

### Off the Curriculum

[App page](https://appshunter.io/ios/app/off-the-curriculum/id6742376622)

**In-app purchases:** none


### Periodic Table Ultimate

[App page](https://appshunter.io/ios/app/periodic-table-ultimate/id6749167499)

Explore chemistry with an interactive periodic table and 3D atom models. Features offline info cards, augmented reality, and an AI tutor for personalized learning. Customize your study experience with themes and dark mode.

**Highlights:** Interactive Periodic Table, Offline element info cards, Augmented Reality 3D atom models, AI Tutor for explanations, Customizable color themes, Dark Mode support, Atomic spectra and radius visuals

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChemAI Tutor | $2.99 | per month |
| Data | $2.99 | per month |
| Ultimate | $4.99 | per month |


## Frequently asked questions

### Is Off the Curriculum free?

Off the Curriculum is free to download, with no in-app purchases.

### Is Periodic Table Ultimate free?

Periodic Table Ultimate is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*