# SMART_AROMA PRO vs Cipher Scent

SMART_AROMA PRO and Cipher Scent 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.

SMART_AROMA PRO ships an update fortnightly, Cipher Scent every 9 days. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SMART_AROMA PRO | Cipher Scent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 185 MB | 48 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [萍萍 刘](https://appshunter.io/developer/1626043006) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### SMART_AROMA PRO

[App page](https://appshunter.io/ios/app/smart-aroma-pro/id6642651078)

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

**In-app purchases:** none


### Cipher Scent

[App page](https://appshunter.io/ios/app/cipher-scent/id6758649177)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMART_AROMA PRO free?

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

### Is Cipher Scent free?

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

### Do SMART_AROMA PRO or Cipher Scent have ads?

Neither SMART_AROMA PRO nor Cipher Scent shows ads.

### Which is updated more often, SMART_AROMA PRO or Cipher Scent?

SMART_AROMA PRO ships an update fortnightly, and Cipher Scent every 9 days. Most recently, SMART_AROMA PRO was updated on September 14, 2026 and Cipher Scent on September 23, 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.*