# Risk Group App Database vs FlashBooks

The clearest difference is in-app purchases: Risk Group App Database at none against FlashBooks's 3. FlashBooks's advantage is iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. FlashBooks sells 3 in-app purchases, starting at $1.99 per 7 days. Risk Group App Database asks for nothing beyond the download.

## The numbers

| Metric | Risk Group App Database | FlashBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/risk-group-app-database/id1163083067/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 19 MB | 164 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The American Biological Safety Assn Inc](https://appshunter.io/developer/1436640609) | [SuperNeat](https://appshunter.io/developer/1678767821) |

## What reviewers say

### 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


### FlashBooks

[App page](https://appshunter.io/ios/app/flashbooks/id6467872056)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Annually | $34.99 | per year |


## Frequently asked questions

### Is Risk Group App Database free?

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

### Is FlashBooks free?

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

### Do Risk Group App Database or FlashBooks have ads?

Neither Risk Group App Database nor FlashBooks shows ads.

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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.*