# Disaster Alert for BD vs Tchoup

The clearest difference is update cadence: Tchoup at every 5 days against Disaster Alert for BD's every 6 months. Disaster Alert for BD's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Disaster Alert for BD ships an update every 6 months, Tchoup every 5 days. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Disaster Alert for BD | Tchoup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 8 MB | 1 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Practical Action](https://appshunter.io/developer/1080990065) | [Christopher Wolff](https://appshunter.io/developer/1777332022) |

## What reviewers say

### Disaster Alert for BD

[App page](https://appshunter.io/ios/app/disaster-alert-for-bd/id6743391177)

**In-app purchases:** none


### Tchoup

[App page](https://appshunter.io/ios/app/tchoup/id6793276864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Disaster Alert for BD free?

Disaster Alert for BD is free to download, with no in-app purchases.

### Is Tchoup free?

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

### Do Disaster Alert for BD or Tchoup have ads?

Neither Disaster Alert for BD nor Tchoup shows ads.

### Which is updated more often, Disaster Alert for BD or Tchoup?

Disaster Alert for BD ships an update every 6 months, and Tchoup every 5 days. Most recently, Disaster Alert for BD was updated on September 8, 2026 and Tchoup on September 19, 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.*