# Birder Diary vs Island Designer

The clearest difference is price: Birder Diary at Free against Island Designer's $5.99. Island Designer's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Birder Diary is free to download; Island Designer costs $5.99 up front. Birder Diary sells 2 in-app purchases, starting at $2.99 per month. Island Designer asks for nothing beyond the download.

Birder Diary ships an update every 2 weeks, Island Designer fortnightly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Birder Diary | Island Designer |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Paid |
| Size | 216 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [周 王](https://appshunter.io/developer/1890135527) | [琪 贾](https://appshunter.io/developer/1891717065) |

## What reviewers say

### Birder Diary

[App page](https://appshunter.io/ios/app/birder-diary/id6761525447)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $2.99 | per month |
| PRO Annual | $19.99 | per year |


### Island Designer

[App page](https://appshunter.io/ios/app/island-designer/id6762364455)

This app is a powerful island map editor for planning your dream island layout. It offers extensive tools for sculpting terrain, placing buildings, and landscaping with various trees and flowers. Save, manage, and export your designs in high resolution.

**Highlights:** Terrain and path sculpting, Extensive building and structure placement, Variety of trees and flowers, Precision grid editing, Full object edit control, Auto-save and map management, HD map export

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

**In-app purchases:** none


## Frequently asked questions

### Is Birder Diary free?

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

### Is Island Designer free?

Island Designer costs $5.99, with no in-app purchases.

### Do Birder Diary or Island Designer have ads?

Neither Birder Diary nor Island Designer shows ads.

### Which is updated more often, Birder Diary or Island Designer?

Birder Diary ships an update every 2 weeks, and Island Designer fortnightly. Most recently, Birder Diary was updated on October 24, 2026 and Island Designer on October 31, 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.*