# Smart BLU™ vs Clean Power VFD

The clearest difference is update cadence: Clean Power VFD at every 5 weeks against Smart BLU™'s every 3 months. Smart BLU™'s advantage is iOS requirement (8.0 vs 15.1). 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.

Smart BLU™ ships an update every 3 months, Clean Power VFD every 5 weeks. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart BLU™ | Clean Power VFD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 25 MB | 67 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [J2 Light Inc.](https://appshunter.io/developer/1420390088) | [SmartD Technologies Inc.](https://appshunter.io/developer/1539682333) |

## What reviewers say

### Smart BLU™

[App page](https://appshunter.io/ios/app/smart-blu/id1420390089)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clean Power VFD

[App page](https://appshunter.io/ios/app/clean-power-vfd/id1539682331)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart BLU™ free?

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

### Is Clean Power VFD free?

Clean Power VFD is free to download, with no in-app purchases.

### Do Smart BLU™ or Clean Power VFD have ads?

Neither Smart BLU™ nor Clean Power VFD shows ads.

### Which is updated more often, Smart BLU™ or Clean Power VFD?

Smart BLU™ ships an update every 3 months, and Clean Power VFD every 5 weeks. Most recently, Smart BLU™ was updated on October 10, 2026 and Clean Power VFD on October 24, 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.*