# Devatsalya vs Periodic Table Ultimate

The clearest difference is update cadence: Periodic Table Ultimate at every 3 days against Devatsalya's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Devatsalya sells 1 one-off in-app purchase and Periodic Table Ultimate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Devatsalya ships an update every 7 months, Periodic Table Ultimate every 3 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Devatsalya | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 52 MB | 48 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Denis Chashchin](https://appshunter.io/developer/493558586) |

## What reviewers say

### Devatsalya

[App page](https://appshunter.io/ios/app/devatsalya/id6496201456)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Membership | $4.99 | one-time |


### 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 Devatsalya free?

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

### Is Periodic Table Ultimate free?

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

### Do Devatsalya or Periodic Table Ultimate have ads?

Neither Devatsalya nor Periodic Table Ultimate shows ads.

### Which is updated more often, Devatsalya or Periodic Table Ultimate?

Devatsalya ships an update every 7 months, and Periodic Table Ultimate every 3 days. Most recently, Devatsalya was updated on October 1, 2026 and Periodic Table Ultimate on September 29, 2026.

---

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