# One Smart vs Wattwheels

One Smart and Wattwheels are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

One Smart ships an update every 10 months, Wattwheels every 16 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | One Smart | Wattwheels |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 16 months |
| Size | 207 MB | 270 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CDB GOLDAIR](https://appshunter.io/developer/1207190466) | [James Zwaagman](https://appshunter.io/developer/1726608285) |

## What reviewers say

### One Smart

[App page](https://appshunter.io/ios/app/one-smart-home/id1638845834)

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

**In-app purchases:** none


### Wattwheels

[App page](https://appshunter.io/ios/app/wattwheels/id6476404161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Smart free?

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

### Is Wattwheels free?

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

### Do One Smart or Wattwheels have ads?

Neither One Smart nor Wattwheels shows ads.

### Which is updated more often, One Smart or Wattwheels?

One Smart ships an update every 10 months, and Wattwheels every 16 months. Most recently, One Smart was updated on October 7, 2026 and Wattwheels on October 25, 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.*