# Pro Scientific Names vs Physics Dictionary Offline

The clearest difference is iOS requirement: Pro Scientific Names at 10.0 against Physics Dictionary Offline's 15.0. On price, update cadence, 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.

Pro Scientific Names ships an update every 37 months, Physics Dictionary Offline every 38 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pro Scientific Names | Physics Dictionary Offline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 37 months** | Every 38 months |
| Size | 12 MB | 9 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [gangadhar goud](https://appshunter.io/developer/898647800) | [Andrew Putranto](https://appshunter.io/developer/1097285857) |

## What reviewers say

### Pro Scientific Names

[App page](https://appshunter.io/ios/app/pro-scientific-names/id1506496342)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Dictionary Offline

[App page](https://appshunter.io/ios/app/physics-dictionary-offline/id1523781509)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pro Scientific Names free?

Pro Scientific Names is free to download, with no in-app purchases.

### Is Physics Dictionary Offline free?

Physics Dictionary Offline is free to download, with no in-app purchases.

### Do Pro Scientific Names or Physics Dictionary Offline have ads?

Both Pro Scientific Names and Physics Dictionary Offline show ads.

### Which is updated more often, Pro Scientific Names or Physics Dictionary Offline?

Pro Scientific Names ships an update every 37 months, and Physics Dictionary Offline every 38 months. Most recently, Pro Scientific Names was updated on October 27, 2026 and Physics Dictionary Offline on October 24, 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.*