# CompTox Mobile vs Familiar

The clearest difference is ads: CompTox Mobile at none against Familiar's shown. CompTox Mobile also leads on monetization model (free vs ad-supported) and iOS requirement (6.0 vs 16.0). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 3.8 for CompTox Mobile against 3.7 for Familiar. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

## The numbers

| Metric | CompTox Mobile | Familiar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/comptox-mobile/id1179517689/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/familiar-trpg-seed-generator/id6538725583/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 254 MB | 21 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Sunmi Kwon](https://appshunter.io/developer/1757140331) |

## What reviewers say

### CompTox Mobile

[App page](https://appshunter.io/ios/app/comptox-mobile/id1179517689)

Access a vast database of chemical structures and associated data, including physicochemical properties and toxicity information. Search by mass, NMR shifts, name, or CAS number to evaluate chemical safety.

**Highlights:** Chemical structure search, Exact mass lookup, ¹³C NMR chemical shift search, CAS Registry Number search, Physicochemical property data, Toxicity data access

**Features:** macOS Compatibility

**In-app purchases:** none


### Familiar

[App page](https://appshunter.io/ios/app/familiar-trpg-seed-generator/id6538725583)

This tool assists tabletop RPG game masters by generating unique adventure seeds with randomized elements. Choose from various settings, customize generated content, and export prompts for AI expansion. It's designed to boost creativity and save time in scenario creation.

**Highlights:** RPG system agnostic tool, Multiple setting options, Randomized adventure seed generation, Customizable and rerollable elements, Export prompts for generative AI, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CompTox Mobile free?

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

### Is Familiar free?

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

### Which has better reviews, CompTox Mobile or Familiar?

CompTox Mobile is rated higher. CompTox Mobile averages 3.8 out of 5 from 4 ratings, while Familiar averages 3.7 from 3 ratings.

### Do CompTox Mobile or Familiar have ads?

Familiar shows ads; CompTox Mobile does not.

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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.*