# Door Alert vs Prospect

The clearest difference is update cadence: Prospect at every 2 months against Door Alert's every 33 months. Door Alert's advantage is iOS requirement (15.0 vs 17.0). 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.

Door Alert ships an update every 33 months, Prospect every 2 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Door Alert | Prospect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/door-alert/id1076093852/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 5 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Russell Harper](https://appshunter.io/developer/581673732) | [Alexander Butko](https://appshunter.io/developer/1726134617) |

## What reviewers say

### Door Alert

[App page](https://appshunter.io/ios/app/door-alert/id1076093852)

This utility app acts as a simple security monitor for your smartphone. It detects unauthorized door entries or exits and notifies you immediately. It's designed to offer an extra layer of security for families with young children.

**Highlights:** Unauthorized exit/entry detection, Immediate audible alarm, Optional silent email/SMS alerts, Works with or without cellular, Low battery usage

**Features:** macOS Compatibility

**In-app purchases:** none


### Prospect

[App page](https://appshunter.io/ios/app/prospect-car-setup/id6748024451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Door Alert free?

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

### Is Prospect free?

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

### Do Door Alert or Prospect have ads?

Neither Door Alert nor Prospect shows ads.

### Which is updated more often, Door Alert or Prospect?

Door Alert ships an update every 33 months, and Prospect every 2 months. Most recently, Door Alert was updated on October 10, 2026 and Prospect on October 15, 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.*