# Chemistry. Periodic table. AI vs Comeclass

The clearest difference is in-app purchases: Comeclass at none against Chemistry. Periodic table. AI's 10. Comeclass also leads on ads (none vs shown). Chemistry. Periodic table. AI's advantage is device support (6 vs 3) and iOS requirement (13.0 vs 15.0). On price and update cadence there is nothing between them.

Both are free to download. Chemistry. Periodic table. AI sells 7 in-app purchases, starting at $1.99 per 7 days. Comeclass asks for nothing beyond the download.

Chemistry. Periodic table. AI ships an update fortnightly, Comeclass every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chemistry. Periodic table. AI | Comeclass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.8K ratings)](https://appshunter.io/ios/app/chemistry-periodic-table-ai/id493558583/reviews)** | — |
| Number of ratings | **2.8K** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Chashchin](https://appshunter.io/developer/493558586) | [Stark Logic Limited](https://appshunter.io/developer/1800521864) |

## What reviewers say

### Chemistry. Periodic table. AI

[App page](https://appshunter.io/ios/app/chemistry-periodic-table-ai/id493558583)

Explore an interactive periodic table with 3D models and AI-powered explanations. Solve chemical equations, calculate molar mass, and access a comprehensive reference. Features AR integration and home screen widgets for enhanced learning.

**Highlights:** Interactive Periodic Table with 3D models, AI-powered chemistry tutor (ChemAI), Chemical reaction solver, Molar mass calculator, Augmented Reality (AR) elements, Home screen widgets

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Pro | $1.99 | per 7 days |
| Chemistry Pro | $2.99 | per year |
| ChemAI Tutor | $2.99 | per month |
| Chemistry Pro | $3.99 | per 3 months |
| Chemistry Pro | $12.99 | one-time |
| Chemistry Pro | $17.49 | one-time |
| Chemistry Pro | $34.99 | one-time |

**What reviewers like**

- 👍 Convenient and easy to use
- 🚀 Helpful for chemistry studies
- 💡 Detailed periodic table and element information
- 🔍 Useful features like molar mass calculator and reaction balancer

**What reviewers complain about**

- 🐛 Some data inaccuracies or errors
- 💰 Subscription model for premium features
- 🔋 Potential battery drain issues

**Reported bugs**

- Crashes or freezes when opening certain sections
- Search function not working as expected for some elements

**Requested features**

- Add electronegativity values to periodic table
- Improve chemical equation balancing functionality
- Implement a dark mode option
- Highlight/compare elements on periodic table


### Comeclass

[App page](https://appshunter.io/ios/app/comeclass/id6783974866)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemistry. Periodic table. AI free?

Chemistry. Periodic table. AI is free to download, with in-app purchases available.

### Is Comeclass free?

Comeclass is free to download, with no in-app purchases.

### Do Chemistry. Periodic table. AI or Comeclass have ads?

Chemistry. Periodic table. AI shows ads; Comeclass does not.

### Which is updated more often, Chemistry. Periodic table. AI or Comeclass?

Chemistry. Periodic table. AI ships an update fortnightly, and Comeclass every 3 weeks. Most recently, Chemistry. Periodic table. AI was updated on November 6, 2026 and Comeclass on October 31, 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.*