# Flappy Board Controller vs AlertCatcher

The clearest difference is in-app purchases: Flappy Board Controller at none against AlertCatcher's 1. AlertCatcher's advantage is update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AlertCatcher sells 1 one-off in-app purchase. Flappy Board Controller asks for nothing beyond the download.

Flappy Board Controller ships an update every 3 months, AlertCatcher every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Flappy Board Controller | AlertCatcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/alertcatcher-smart-guardian/id6789208022/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 16 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [General Futurics LLC](https://appshunter.io/developer/560612440) | [Golden Sphere Solutions LLC](https://appshunter.io/developer/1895157724) |

## What reviewers say

### Flappy Board Controller

[App page](https://appshunter.io/ios/app/flappy-board-controller/id6786935728)

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

**In-app purchases:** none


### AlertCatcher

[App page](https://appshunter.io/ios/app/alertcatcher-smart-guardian/id6789208022)

Transform old devices into private security monitors for your home or travel. It uses edge AI to detect sound anomalies and motion, sending instant alerts to your primary device without uploading data.

**Highlights:** Edge-AI sound classification, Local motion detection with video clips, On-demand live camera feed, Remote arm, disarm, and siren control, Discreet blackout mode, Evidence library with timeline, Interruption recovery

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlertCatcher Premium | $9.99 | one-time |


## Frequently asked questions

### Is Flappy Board Controller free?

Flappy Board Controller is free to download, with no in-app purchases.

### Is AlertCatcher free?

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

### Do Flappy Board Controller or AlertCatcher have ads?

Neither Flappy Board Controller nor AlertCatcher shows ads.

### Which is updated more often, Flappy Board Controller or AlertCatcher?

Flappy Board Controller ships an update every 3 months, and AlertCatcher every 9 days. Most recently, Flappy Board Controller was updated on October 24, 2026 and AlertCatcher on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*