# Chemancy vs iPTE

The clearest difference is price: Chemancy at Free against iPTE's $1.99. Chemancy also leads on update cadence (monthly vs every 9 months). iPTE's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Chemancy is free to download; iPTE costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chemancy ships an update monthly, iPTE every 9 months. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Chemancy | iPTE |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | — | Paid |
| Size | 345 MB | 98 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Reinicke](https://appshunter.io/developer/1173552509) | [建锋 宋](https://appshunter.io/developer/1098794568) |

## What reviewers say

### Chemancy

[App page](https://appshunter.io/ios/app/chemancy-learn-chemistry/id1177678771)

**Features:** Vision Pro support

**In-app purchases:** none


### iPTE

[App page](https://appshunter.io/ios/app/ipte/id1502419058)

Explore the periodic table with extensive data on chemical elements and over 5500 isotopes. Features include element images, electron configurations, discovery history, and a solubility chart. Ideal for students, teachers, and science enthusiasts.

**Highlights:** Extensive element data, Over 5500 isotopes, Solubility chart, Element images and electron configurations, Discovery history, Search functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chemancy free?

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

### Is iPTE free?

iPTE costs $1.99, with no in-app purchases.

### Do Chemancy or iPTE have ads?

Neither Chemancy nor iPTE shows ads.

### Which is updated more often, Chemancy or iPTE?

Chemancy ships an update monthly, and iPTE every 9 months. Most recently, Chemancy was updated on October 26, 2026 and iPTE on October 8, 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.*