# Avizandum vs Bird Data Database Browser

The clearest difference is update cadence: Bird Data Database Browser at every 3 months against Avizandum's every 9 months. Avizandum's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Avizandum sells 10 in-app purchases, starting at $2.99 per month and Bird Data Database Browser sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Avizandum ships an update every 9 months, Bird Data Database Browser every 3 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Avizandum | Bird Data Database Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/avizandum/id570686662/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 33 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jellyfish Connect Limited](https://appshunter.io/developer/373521339) | [Tom Friedel](https://appshunter.io/developer/1330245790) |

## What reviewers say

### Avizandum

[App page](https://appshunter.io/ios/app/avizandum/id570686662)

This monthly magazine offers in-depth articles for birdkeepers, covering avian management, breeding, health, nutrition, and conservation. It provides up-to-date information suitable for both beginners and experienced enthusiasts, with a long-standing reputation for quality.

**Highlights:** Avian management articles, Parrot and finch breeding guides, Bird health and disease information, Nutrition and feeding advice, Latest conservation news, Content for beginners and experts

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avizandum Birdkeeping Subscriptions | $2.99 | per month |
| Avizandum Birdkeeping Subscriptions | $15.99 | per 6 months |
| Avizandum Birdkeeping Subscriptions | $28.99 | per year |
| Jul-12 | $3.99 | one-time |
| Dec-12 | $3.99 | one-time |
| Jan-13 | $3.99 | one-time |
| Apr-13 | $3.99 | one-time |
| May-13 | $3.99 | one-time |
| Avizandum Birdkeeping 5 Back Issue Bundle | $8.99 | one-time |
| The Secret Life of Golden ... | $15.99 | one-time |


### Bird Data Database Browser

[App page](https://appshunter.io/ios/app/bird-data-database-browser/id1330327244)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $7.99 (USD) Donation | $7.99 | one-time |
| $19.99 (USD) Donation | $19.99 | one-time |


## Frequently asked questions

### Is Avizandum free?

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

### Is Bird Data Database Browser free?

Bird Data Database Browser is free to download, with in-app purchases available.

### Do Avizandum or Bird Data Database Browser have ads?

Neither Avizandum nor Bird Data Database Browser shows ads.

### Which is updated more often, Avizandum or Bird Data Database Browser?

Avizandum ships an update every 9 months, and Bird Data Database Browser every 3 months. Most recently, Avizandum was updated on October 23, 2026 and Bird Data Database Browser on October 13, 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.*