# Santa Fe Sentry vs CoolMonitor

The clearest difference is update cadence: CoolMonitor at every 3 weeks against Santa Fe Sentry's every 4 months. Santa Fe Sentry's advantage is iOS requirement (9.0 vs 16.1). 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.

Santa Fe Sentry ships an update every 4 months, CoolMonitor every 3 weeks. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Santa Fe Sentry | CoolMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/santa-fe-sentry/id1103304139/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 12 MB |
| Requires iOS | **9.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Therma-Stor, LLC](https://appshunter.io/developer/380722235) | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) |

## What reviewers say

### Santa Fe Sentry

[App page](https://appshunter.io/ios/app/santa-fe-sentry/id1103304139)

Monitor multiple properties for water, humidity, and temperature issues in crawl spaces and basements. Receive real-time alerts via text or email when problems arise, allowing for immediate action. View historical data and generate reports to track conditions and performance.

**Highlights:** Monitor multiple home sites, Real-time water, humidity, and temperature alerts, Customizable alert rules, View historical data and graphs, Generate condition reports, Receive alerts via text or email

**Features:** macOS Compatibility

**In-app purchases:** none


### CoolMonitor

[App page](https://appshunter.io/ios/app/coolmonitor/id6792966365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Santa Fe Sentry free?

Santa Fe Sentry is free to download, with no in-app purchases.

### Is CoolMonitor free?

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

### Do Santa Fe Sentry or CoolMonitor have ads?

Neither Santa Fe Sentry nor CoolMonitor shows ads.

### Which is updated more often, Santa Fe Sentry or CoolMonitor?

Santa Fe Sentry ships an update every 4 months, and CoolMonitor every 3 weeks. Most recently, Santa Fe Sentry was updated on November 2, 2026 and CoolMonitor on October 29, 2026.

---

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