# Smart Scent Pro vs SQNA

Smart Scent Pro and SQNA 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Smart Scent Pro | SQNA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 20 MB | 56 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [永锦 罗](https://appshunter.io/developer/1444842458) | [Schott IT Technology GmbH](https://appshunter.io/developer/1779879057) |

## What reviewers say

### Smart Scent Pro

[App page](https://appshunter.io/ios/app/smart-scent-pro/id1558962248)

**In-app purchases:** none


### SQNA

[App page](https://appshunter.io/ios/app/sqna/id6738270107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Scent Pro free?

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

### Is SQNA free?

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

### Do Smart Scent Pro or SQNA have ads?

Neither Smart Scent Pro nor SQNA shows ads.

### Which is updated more often, Smart Scent Pro or SQNA?

Smart Scent Pro ships an update every 2 months, and SQNA every 2 months. Most recently, Smart Scent Pro was updated on September 10, 2026 and SQNA on July 6, 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.*