# Signaal vs FlatRadar

The clearest difference is iOS requirement: Signaal at 16.4 against FlatRadar's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Signaal sells 6 in-app purchases, starting at $11.99 per month and FlatRadar sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Signaal ships an update every 5 days, FlatRadar every 3 days. The most recent releases landed on September 30, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Signaal | FlatRadar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/signaal/id6749012659/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 112 MB | 5 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Evernomic](https://appshunter.io/developer/1828458064) | [JiongYang Kong](https://appshunter.io/developer/1896694230) |

## What reviewers say

### Signaal

[App page](https://appshunter.io/ios/app/signaal/id6749012659)

This app helps you find rental properties in the Netherlands by scanning numerous websites in real-time and alerting you to new listings. Set custom filters for location, price, and property type to streamline your search for apartments or houses.

**Highlights:** Real-time rental website scanning, Instant listing alerts, Customizable search filters, Unified listing display, Mobile-first design, Save searches and track listings

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discounted Monthly, referrals only | $11.99 | per month |
| Monthly plan | $12.99 | per month |
| Discounted 2-Month, referrals only | $19.99 | per 2 months |
| 2-Month plan | $22.99 | per 2 months |
| 3-Month plan | $24.99 | per 3 months |
| Discounted 3-Month, referrals only | $24.99 | per 3 months |


### FlatRadar

[App page](https://appshunter.io/ios/app/flatradar/id6769857080)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Latte | $2.99 | one-time |
| Flat White | $4.99 | one-time |


## Frequently asked questions

### Is Signaal free?

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

### Is FlatRadar free?

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

### Do Signaal or FlatRadar have ads?

Neither Signaal nor FlatRadar shows ads.

### Which is updated more often, Signaal or FlatRadar?

Signaal ships an update every 5 days, and FlatRadar every 3 days. Most recently, Signaal was updated on September 30, 2026 and FlatRadar on September 10, 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.*