# SOURCE INT vs Heat Ceram

The clearest difference is iOS requirement: Heat Ceram at 11 against SOURCE INT'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.

SOURCE INT ships an update every 3 months, Heat Ceram every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SOURCE INT | Heat Ceram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/heat-ceram/id1573285255/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 126 MB | 27 MB |
| Requires iOS | 15.1 | **11** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Source INT S.A](https://appshunter.io/developer/1049479470) | [Melask,PP](https://appshunter.io/developer/1573285257) |

## What reviewers say

### SOURCE INT

[App page](https://appshunter.io/ios/app/source-int/id1566314128)

**Features:** Vision Pro support

**In-app purchases:** none


### Heat Ceram

[App page](https://appshunter.io/ios/app/heat-ceram/id1573285255)

Easily control compatible thermostats remotely for your home, office, or industrial spaces. Create intelligent heating schedules to save up to 30% on energy costs and maintain optimal comfort.

**Highlights:** Remote thermostat control via cloud, Intelligent heating schedule creation, Energy savings up to 30%, Customizable schedules per room and day, Automatic temperature maintenance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOURCE INT free?

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

### Is Heat Ceram free?

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

### Do SOURCE INT or Heat Ceram have ads?

Neither SOURCE INT nor Heat Ceram shows ads.

### Which is updated more often, SOURCE INT or Heat Ceram?

SOURCE INT ships an update every 3 months, and Heat Ceram every 2 months. Most recently, SOURCE INT was updated on October 24, 2026 and Heat Ceram on October 12, 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.*