# Wunda Smart vs Below The Surface

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

Both are free to download. Below The Surface sells 2 in-app purchases, starting at $4.99 per month. Wunda Smart asks for nothing beyond the download.

Wunda Smart ships an update monthly, Below The Surface every 3 weeks. The most recent releases landed on September 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Wunda Smart | Below The Surface |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 138 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WUNDA GROUP PLC](https://appshunter.io/developer/1168581836) | [Tazmin Kirk](https://appshunter.io/developer/1878229175) |

## What reviewers say

### Wunda Smart

[App page](https://appshunter.io/ios/app/wunda-smart/id1168581837)

Manage your home's heating and cooling system with advanced climate control. Optimize energy usage, reduce emissions, and enjoy personalized comfort room by room. Offers remote access, scheduling, and detailed energy reports.

**Highlights:** Under Floor Heating & Radiator Control, Room-to-Room Climate Management, Geo-Location Settings, 24/7 Scheduling, Hot Water Control, Energy Usage Reports, Remote Access

**Features:** macOS Compatibility

**In-app purchases:** none


### Below The Surface

[App page](https://appshunter.io/ios/app/below-the-surface/id6758065156)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Below the Surface Premium – Monthly | $4.99 | per month |
| Below the Surface Premium – Yearly | $24.99 | per year |


## Frequently asked questions

### Is Wunda Smart free?

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

### Is Below The Surface free?

Below The Surface is free to download, with in-app purchases available.

### Do Wunda Smart or Below The Surface have ads?

Neither Wunda Smart nor Below The Surface shows ads.

### Which is updated more often, Wunda Smart or Below The Surface?

Wunda Smart ships an update monthly, and Below The Surface every 3 weeks. Most recently, Wunda Smart was updated on September 10, 2026 and Below The Surface on October 12, 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.*