# Sierra Madre vs Scent Tech

The clearest difference is in-app purchases: Scent Tech at none against Sierra Madre's 3. Sierra Madre's advantage is review sentiment (25% vs 14%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sierra Madre sells 3 in-app purchases, starting at $1.99 per 7 days. Scent Tech asks for nothing beyond the download.

Sierra Madre ships an update every 2 months, Scent Tech every 6 weeks. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sierra Madre | Scent Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews)** |
| Number of ratings | — | **63** |
| Positive reviews | **25.0% of reviews** | 13.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 47 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Editora el Sol](https://appshunter.io/developer/322378567) | [俊 谢](https://appshunter.io/developer/1440271932) |

## What reviewers say

### Sierra Madre

[App page](https://appshunter.io/ios/app/sierra-madre/id390997025)

Access the latest social news, events, and parties from your community. Browse print versions offline and view exclusive unpublished photos. Explore an extensive historical photo archive.

**Highlights:** Community social news, Event and party listings, Photographic coverage, Offline print version browsing, Exclusive unpublished photos, Historical photo archive access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sierra Madre | $1.99 | per 7 days |
| Sierra Madre | $5.99 | per month |
| Sierra Madre | $64.99 | per year |


### Scent Tech

[App page](https://appshunter.io/ios/app/scent-tech/id1662466433)

Control your scent machine remotely with this app. It offers automatic mode selection for various scenarios and allows for batch management of devices through customizable groups.

**Highlights:** Scent machine control, Automatic mode selection, Device grouping, Batch management, Customizable group names

**In-app purchases:** none


## Frequently asked questions

### Is Sierra Madre free?

Sierra Madre is free to download, with in-app purchases available.

### Is Scent Tech free?

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

### Do Sierra Madre or Scent Tech have ads?

Neither Sierra Madre nor Scent Tech shows ads.

### Which is updated more often, Sierra Madre or Scent Tech?

Sierra Madre ships an update every 2 months, and Scent Tech every 6 weeks. Most recently, Sierra Madre was updated on September 9, 2026 and Scent Tech on September 17, 2026.

---

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