# DEM vs Rada Sense

The clearest difference is update cadence: DEM at every 3 months against Rada Sense's every 17 months. Rada Sense's advantage is iOS requirement (12.0 vs 14.0). 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.

DEM ships an update every 3 months, Rada Sense every 17 months. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DEM | Rada Sense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Size | 1 MB | 43 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Data JAR Ltd](https://appshunter.io/developer/1363593132) | [Kohler Mira Ltd.](https://appshunter.io/developer/1107602815) |

## What reviewers say

### DEM

[App page](https://appshunter.io/ios/app/dem/id1458983220)

**Features:** Vision Pro support

**In-app purchases:** none


### Rada Sense

[App page](https://appshunter.io/ios/app/rada-sense/id1506561968)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DEM free?

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

### Is Rada Sense free?

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

### Do DEM or Rada Sense have ads?

Neither DEM nor Rada Sense shows ads.

### Which is updated more often, DEM or Rada Sense?

DEM ships an update every 3 months, and Rada Sense every 17 months. Most recently, DEM was updated on October 25, 2026 and Rada Sense on October 29, 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.*