# Fish Doctor vs Risk Group App Database

The clearest difference is in-app purchases: Risk Group App Database at none against Fish Doctor's 10. Risk Group App Database also leads on rating (5.0 vs 4.7) and update cadence (every 3 months vs every 7 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Fish Doctor sells 10 one-off in-app purchases. Risk Group App Database asks for nothing beyond the download.

Risk Group App Database holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Fish Doctor ships an update every 7 months, Risk Group App Database every 3 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Fish Doctor | Risk Group App Database |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/fish-doctor/id839600610/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/risk-group-app-database/id1163083067/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 19 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Bassleer Biofish](https://appshunter.io/developer/839600613) | [The American Biological Safety Assn Inc](https://appshunter.io/developer/1436640609) |

## What reviewers say

### Fish Doctor

[App page](https://appshunter.io/ios/app/fish-doctor/id839600610)

This app provides educational tools and e-books on fish diseases, developed by a recognized expert. It features videos demonstrating fish behavior, microscopic observations, and easy-to-understand information for hobbyists and professionals alike.

**Highlights:** Expert-developed fish disease information, Educational e-books, Informative videos on fish behavior, Microscopic observations of pathogens, Easy-to-understand language, Diagnosis and treatment guidance

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fish Diseases - Italian | $7.99 | one-time |
| Fish Diseases - German | $7.99 | one-time |
| Fish Diseases - English | $7.99 | one-time |
| Fish Diseases - French | $7.99 | one-time |
| Fish Diseases - Dutch | $7.99 | one-time |
| Fish Diseases - Chinese | $7.99 | one-time |
| Fish Diseases - Brazil | $7.99 | one-time |
| The Practical Guide to Fish Diseases | $27.99 | one-time |
| Diseases in marine aquarium fish | $27.99 | one-time |
| The New Illustrated Guide to Fish Diseases | $54.99 | one-time |


### Risk Group App Database

[App page](https://appshunter.io/ios/app/risk-group-app-database/id1163083067)

Access a comprehensive database of international risk group classifications for bacteria, viruses, fungi, and parasites. Understand how infectious agents are categorized based on pathogenicity, transmission, and availability of treatments.

**Highlights:** Risk group classifications, Bacteria, Viruses, Fungi, Parasites, Pathogenicity assessment, Transmission mode analysis, Treatment availability, International standards

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Doctor free?

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

### Is Risk Group App Database free?

Risk Group App Database is free to download, with no in-app purchases.

### Which has better reviews, Fish Doctor or Risk Group App Database?

Risk Group App Database is rated higher. Fish Doctor averages 4.7 out of 5 from 3 ratings, while Risk Group App Database averages 5.0 from 2 ratings.

### Do Fish Doctor or Risk Group App Database have ads?

Neither Fish Doctor nor Risk Group App Database shows ads.

### Which is updated more often, Fish Doctor or Risk Group App Database?

Fish Doctor ships an update every 7 months, and Risk Group App Database every 3 months. Most recently, Fish Doctor was updated on October 23, 2026 and Risk Group App Database on October 5, 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.*