# Radialight vs ZerID Validate

The clearest difference is ads: ZerID Validate at none against Radialight's shown. ZerID Validate also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, 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.

Radialight ships an update every 6 weeks, ZerID Validate every 3 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Radialight | ZerID Validate |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 25 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ermete Giudici S.p.A.](https://appshunter.io/developer/1463049137) | [ZERID LTD](https://appshunter.io/developer/1778828573) |

## What reviewers say

### Radialight

[App page](https://appshunter.io/ios/app/radialight/id1463049138)

Control your smart heating system remotely with this app. Manage comfort in multiple zones, set weekly schedules for energy savings, and monitor real-time consumption reports. Receive notifications for important status updates.

**Highlights:** Remote radiator control, Multi-zone management, Weekly heating schedules, Energy consumption reports, Push notifications, Customizable comfort levels

**In-app purchases:** none


### ZerID Validate

[App page](https://appshunter.io/ios/app/zerid-validate/id6740565799)

**In-app purchases:** none


## Frequently asked questions

### Is Radialight free?

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

### Is ZerID Validate free?

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

### Do Radialight or ZerID Validate have ads?

Radialight shows ads; ZerID Validate does not.

### Which is updated more often, Radialight or ZerID Validate?

Radialight ships an update every 6 weeks, and ZerID Validate every 3 weeks. Most recently, Radialight was updated on September 21, 2026 and ZerID Validate on September 14, 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.*