# CHEMIA vs OSCE

The clearest difference is in-app purchases: CHEMIA at none against OSCE's 2. OSCE's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OSCE sells 2 in-app purchases, starting at $2.99 per year. CHEMIA asks for nothing beyond the download.

CHEMIA ships an update every 3 weeks, OSCE every 8 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CHEMIA | OSCE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 169 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UEA](https://appshunter.io/developer/1398806863) | [Tarcisio Matinhure](https://appshunter.io/developer/1864337522) |

## What reviewers say

### CHEMIA

[App page](https://appshunter.io/ios/app/chemia/id1527803030)

Explore chemistry concepts in an immersive augmented reality experience. Visualize and interact with 3D models of molecules, atomic orbitals, and crystal structures. Perfect for students and educators seeking a dynamic learning tool.

**Highlights:** Augmented reality chemistry visualization, 3D molecular models, Atomic and molecular orbital manipulation, Lattice and compound exploration, Interactive learning experience

**In-app purchases:** none


### OSCE

[App page](https://appshunter.io/ios/app/osce-timer/id6761505371)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OSCE Timer Premium — Yearly | $2.99 | per year |
| OSCE Timer Premium | $9.99 | one-time |


## Frequently asked questions

### Is CHEMIA free?

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

### Is OSCE free?

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

### Do CHEMIA or OSCE have ads?

Neither CHEMIA nor OSCE shows ads.

### Which is updated more often, CHEMIA or OSCE?

CHEMIA ships an update every 3 weeks, and OSCE every 8 days. Most recently, CHEMIA was updated on October 10, 2026 and OSCE on October 2, 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.*