# Savior Heat vs eMedicalSentry

The clearest difference is iOS requirement: Savior Heat at 13.0 against eMedicalSentry's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Savior Heat ships an update every 15 months, eMedicalSentry every 10 months. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Savior Heat | eMedicalSentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (10 ratings)](https://appshunter.io/ios/app/savior-heat/id1570115467/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 25 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [伟 张](https://appshunter.io/developer/1525653329) | [M5Enterprise, LLC](https://appshunter.io/developer/1604317265) |

## What reviewers say

### Savior Heat

[App page](https://appshunter.io/ios/app/savior-heat/id1570115467)

Control smart Bluetooth heated apparel and accessories. Adjust heating power, set constant temperatures, and manage countdown timers for personalized comfort.

**Highlights:** Control Bluetooth heated hats, clothes, gloves, socks, and insoles, Set heating gear power, Configure constant temperature settings, Manage heating countdown timers, Personalized comfort control

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

**In-app purchases:** none


### eMedicalSentry

[App page](https://appshunter.io/ios/app/emedicalsentry/id1612614422)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Savior Heat free?

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

### Is eMedicalSentry free?

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

### Do Savior Heat or eMedicalSentry have ads?

Neither Savior Heat nor eMedicalSentry shows ads.

### Which is updated more often, Savior Heat or eMedicalSentry?

Savior Heat ships an update every 15 months, and eMedicalSentry every 10 months. Most recently, Savior Heat was updated on October 7, 2026 and eMedicalSentry on September 18, 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.*