# R vs Radar Sensor

The clearest difference is update cadence: R at fortnightly against Radar Sensor's every 2 months. 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.

R ships an update fortnightly, Radar Sensor every 2 months. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | R | Radar Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 48 MB | 67 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [坚栋 王](https://appshunter.io/developer/1887912020) | [正亮 黄](https://appshunter.io/developer/6780918447) |

## What reviewers say

### R

[App page](https://appshunter.io/ios/app/r-sight/id6755140912)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 R free?

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

### Is Radar Sensor free?

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

### Do R or Radar Sensor have ads?

Neither R nor Radar Sensor shows ads.

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

R ships an update fortnightly, and Radar Sensor every 2 months. Most recently, R was updated on September 15, 2026 and Radar Sensor on September 13, 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.*