# BioDex vs Flaggle.io

The clearest difference is rating: Flaggle.io at 4.0 against BioDex's 3.0. Flaggle.io also leads on ratings volume (4 vs 1). BioDex's advantage is iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Flaggle.io holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

## The numbers

| Metric | BioDex | Flaggle.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/biodex/id1523989412/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/flaggleio/id6800171087/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Free | Free |
| Size | 88 MB | 72 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ETH Zurich](https://appshunter.io/developer/438432132) | [Joshua Velazquez](https://appshunter.io/developer/6800171089) |

## What reviewers say

### BioDex

[App page](https://appshunter.io/ios/app/biodex/id1523989412)

This app aids natural history collection workers and taxonomists in sorting and archiving museum specimens. It identifies species by comparing specimen photos to a database, initially focusing on butterflies.

**Highlights:** Specimen identification, Species comparison, Museum specimen archiving, Butterfly identification, Ergonomic layout, Active development

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

**In-app purchases:** none


### Flaggle.io

[App page](https://appshunter.io/ios/app/flaggleio/id6800171087)

Test your knowledge of national and territorial flags. Identify a mystery flag with limited guesses, using color comparisons to narrow down possibilities. Study your history to improve recognition skills.

**Highlights:** Identify flags of UN member states and other territories, Visual color comparisons after each guess, Searchable country and flag list, Focused gameplay, No accounts, ads, or tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BioDex free?

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

### Is Flaggle.io free?

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

### Which has better reviews, BioDex or Flaggle.io?

Flaggle.io is rated higher. BioDex averages 3.0 out of 5 from 1 ratings, while Flaggle.io averages 4.0 from 4 ratings.

### Do BioDex or Flaggle.io have ads?

Neither BioDex nor Flaggle.io 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.*