# Pi Alerts vs Backcast

The clearest difference is iOS requirement: Pi Alerts at 10.0 against Backcast's 12.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Pi Alerts against 5.0 for Backcast. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pi Alerts ships an update every 2 months, Backcast every 5 weeks. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pi Alerts | Backcast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pi-alerts/id1396801069/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/backcast/id6468239243/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 27 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Bridgefy, Inc.](https://appshunter.io/developer/975776346) | [Hikari Suwa](https://appshunter.io/developer/1709635367) |

## What reviewers say

### Pi Alerts

[App page](https://appshunter.io/ios/app/pi-alerts/id1396801069)

Receive news, weather, and general alerts via Bluetooth without an internet connection. Connect to a Bridgefy Box to access information on your dashboard, ideal for areas with limited data access.

**Highlights:** Offline alert reception, Bluetooth connectivity, Bridgefy Box integration, Information dashboard, Internet-independent

**Features:** macOS Compatibility

**In-app purchases:** none


### Backcast

[App page](https://appshunter.io/ios/app/backcast/id6468239243)

This platform connects users to share visionary ideas and transform them into actionable research themes. Engage in discussions within specialized forums, contribute your insights, or create your own topic to foster collective intelligence and collaboration.

**Highlights:** Explore 'Trees of Interest' forums, Engage in discussions and share insights, Create and manage your own topic trees, Personalized content feed, Connect with users for collaboration, Develop actionable research themes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pi Alerts free?

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

### Is Backcast free?

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

### Which has better reviews, Pi Alerts or Backcast?

Pi Alerts and Backcast are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Pi Alerts or Backcast have ads?

Neither Pi Alerts nor Backcast shows ads.

### Which is updated more often, Pi Alerts or Backcast?

Pi Alerts ships an update every 2 months, and Backcast every 5 weeks. Most recently, Pi Alerts was updated on October 17, 2026 and Backcast on October 14, 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.*