# Chemscribe vs Physics Formulas

The clearest difference is in-app purchases: Chemscribe at none against Physics Formulas's 2. Chemscribe also leads on iOS requirement (6.0 vs 15.1). Physics Formulas's advantage is update cadence (every 2 months vs every 5 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. Chemscribe asks for nothing beyond the download.

Chemscribe ships an update every 5 months, Physics Formulas every 2 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Chemscribe | Physics Formulas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (5 ratings)](https://appshunter.io/ios/app/chemscribe/id555273442/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 19 MB | 38 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sakhatech Information Systems Pvt Ltd](https://appshunter.io/developer/377837903) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Chemscribe

[App page](https://appshunter.io/ios/app/chemscribe/id555273442)

This iPad app offers a specialized keyboard designed to simplify chemistry assignments. It includes over 1600 compounds and all periodic table elements, providing a convenient platform for typing chemistry homework.

**Highlights:** Specialized chemistry keyboard, Over 1600 compounds, All periodic table elements, Simplifies chemistry assignments, iPad exclusive

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Formulas

[App page](https://appshunter.io/ios/app/physics-formulas-physref/id6757826240)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Chemscribe free?

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

### Is Physics Formulas free?

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

### Do Chemscribe or Physics Formulas have ads?

Neither Chemscribe nor Physics Formulas shows ads.

### Which is updated more often, Chemscribe or Physics Formulas?

Chemscribe ships an update every 5 months, and Physics Formulas every 2 months. Most recently, Chemscribe was updated on October 9, 2026 and Physics Formulas on October 4, 2026.

---

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