# Chemscribe vs Cats InputPad

The clearest difference is update cadence: Chemscribe at every 5 months against Cats InputPad's every 25 months. Chemscribe also leads on iOS requirement (6.0 vs 15.0). Cats InputPad's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chemscribe ships an update every 5 months, Cats InputPad every 25 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chemscribe | Cats InputPad |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 25 months |
| Monetization | Free | — |
| Size | 19 MB | 8 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sakhatech Information Systems Pvt Ltd](https://appshunter.io/developer/377837903) | [YIU LEUNG RANDY CHAN](https://appshunter.io/developer/1474191447) |

## 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


### Cats InputPad

[App page](https://appshunter.io/ios/app/cats-inputpad/id1474191448)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemscribe free?

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

### Is Cats InputPad free?

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

### Do Chemscribe or Cats InputPad have ads?

Neither Chemscribe nor Cats InputPad shows ads.

### Which is updated more often, Chemscribe or Cats InputPad?

Chemscribe ships an update every 5 months, and Cats InputPad every 25 months. Most recently, Chemscribe was updated on October 9, 2026 and Cats InputPad on October 25, 2026.

---

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