# Smart Scent Air vs HbScent

The clearest difference is update cadence: HbScent at every 5 days against Smart Scent Air's every 2 months. HbScent also leads on iOS requirement (9.0 vs 12.0). 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 Scent Air ships an update every 2 months, HbScent every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Smart Scent Air | HbScent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 37 MB | 21 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [易客创新(泉州)智能科技有限公司](https://appshunter.io/developer/1683294855) | [熏福 李](https://appshunter.io/developer/1546840282) |

## What reviewers say

### Smart Scent Air

[App page](https://appshunter.io/ios/app/smart-scent-air/id1668710074)

**Features:** macOS Compatibility

**In-app purchases:** none


### HbScent

[App page](https://appshunter.io/ios/app/hbscent/id6778303943)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Scent Air free?

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

### Is HbScent free?

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

### Do Smart Scent Air or HbScent have ads?

Neither Smart Scent Air nor HbScent shows ads.

### Which is updated more often, Smart Scent Air or HbScent?

Smart Scent Air ships an update every 2 months, and HbScent every 5 days. Most recently, Smart Scent Air was updated on November 3, 2026 and HbScent on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*