# AlertaTelegram vs Radar Sensor

The clearest difference is in-app purchases: Radar Sensor at none against AlertaTelegram's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AlertaTelegram sells 2 in-app purchases, starting at $2.99 per month. Radar Sensor asks for nothing beyond the download.

AlertaTelegram ships an update every 3 months, Radar Sensor every 2 months. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | AlertaTelegram | Radar Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 28 MB | 67 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMMOACTIVAT I ASSOCIATS SL](https://appshunter.io/developer/1800941159) | [正亮 黄](https://appshunter.io/developer/6780918447) |

## What reviewers say

### AlertaTelegram

[App page](https://appshunter.io/ios/app/alertatelegram/id6745782674)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Monthly | $2.99 | per month |
| Annual Plan | $17.99 | per year |


### Radar Sensor

[App page](https://appshunter.io/ios/app/radar-sensor/id6780945082)

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

**In-app purchases:** none


## Frequently asked questions

### Is AlertaTelegram free?

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

### Is Radar Sensor free?

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

### Do AlertaTelegram or Radar Sensor have ads?

Neither AlertaTelegram nor Radar Sensor shows ads.

### Which is updated more often, AlertaTelegram or Radar Sensor?

AlertaTelegram ships an update every 3 months, and Radar Sensor every 2 months. Most recently, AlertaTelegram was updated on October 25, 2026 and Radar Sensor on October 17, 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.*