# Radiant Smart vs Discover Douro

The clearest difference is update cadence: Discover Douro at every 3 weeks against Radiant Smart's every 10 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.

Radiant Smart ships an update every 10 months, Discover Douro every 3 weeks. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Radiant Smart | Discover Douro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 93 MB | 76 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radiant Bruciatori spa](https://appshunter.io/developer/1133777486) | [CIM Douro](https://appshunter.io/developer/1610098606) |

## What reviewers say

### Radiant Smart

[App page](https://appshunter.io/ios/app/radiant-smart/id1584628768)

Control your Radiant boiler remotely via WiFi from your smartphone or tablet. Monitor temperatures, adjust settings, and manage heating schedules even when you're away from home. Receive alerts for boiler issues and optimize energy consumption.

**Highlights:** Remote boiler control via WiFi, Real-time temperature monitoring, Adjustable heating schedules, Boiler status and error notifications, Remote reset for boiler lock-outs, Thermoregulation for energy saving

**Features:** macOS Compatibility

**In-app purchases:** none


### Discover Douro

[App page](https://appshunter.io/ios/app/discover-douro/id6475686695)

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

**In-app purchases:** none


## Frequently asked questions

### Is Radiant Smart free?

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

### Is Discover Douro free?

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

### Do Radiant Smart or Discover Douro have ads?

Neither Radiant Smart nor Discover Douro shows ads.

### Which is updated more often, Radiant Smart or Discover Douro?

Radiant Smart ships an update every 10 months, and Discover Douro every 3 weeks. Most recently, Radiant Smart was updated on October 6, 2026 and Discover Douro on October 27, 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.*