# Wren vs Global Messenger Tracking

Wren and Global Messenger Tracking are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Wren ships an update monthly, Global Messenger Tracking every 2 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Wren | Global Messenger Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/wren/id1505368315/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 48 MB | 72 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bird Master Technology (Shenzhen) Ltd.](https://appshunter.io/developer/1500555630) | [Hunan Global Messenger Technology Co., Ltd.](https://appshunter.io/developer/1678659113) |

## What reviewers say

### Wren

[App page](https://appshunter.io/ios/app/wren/id1505368315)

Access a comprehensive global bird species catalog with over 11,000 bird recordings. Organize your recordings with personalized lists for easy management and enjoy offline playback anywhere.

**Highlights:** Global bird species catalog, 11,000+ bird recordings, Personalized recording lists, Offline caching and playback, Fast search functionality

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

**In-app purchases:** none


### Global Messenger Tracking

[App page](https://appshunter.io/ios/app/global-messenger-tracking/id6449690398)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wren free?

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

### Is Global Messenger Tracking free?

Global Messenger Tracking is free to download, with no in-app purchases.

### Do Wren or Global Messenger Tracking have ads?

Neither Wren nor Global Messenger Tracking shows ads.

### Which is updated more often, Wren or Global Messenger Tracking?

Wren ships an update monthly, and Global Messenger Tracking every 2 months. Most recently, Wren was updated on September 14, 2026 and Global Messenger Tracking on September 8, 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.*