# Hotstart Heater Sizing App vs Comlink Portal

The clearest difference is monetization model: Hotstart Heater Sizing App at free against Comlink Portal's ad-supported. On price, review sentiment, update cadence and ads there is nothing between them.

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

Hotstart Heater Sizing App ships an update every 5 weeks, Comlink Portal every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Hotstart Heater Sizing App | Comlink Portal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hotstart-heater-sizing-app/id1437481017/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 24 MB | 49 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HotStart](https://appshunter.io/developer/1264092383) | [Comlink Equipamentos Eletrônicos Ltda](https://appshunter.io/developer/1143196502) |

## What reviewers say

### Hotstart Heater Sizing App

[App page](https://appshunter.io/ios/app/hotstart-heater-sizing-app/id1437481017)

This application helps users select the optimal engine heater for industrial applications. It considers factors like fluid type, environmental conditions, and power requirements to provide a recommended solution. Users can then contact the developer to confirm their heater choice.

**Highlights:** Heater selection based on application details, Considers fluid type and environmental conditions, Calculates based on dimensions and power needs, Provides a recommended heater solution, Facilitates verification with the developer

**Features:** macOS Compatibility

**In-app purchases:** none


### Comlink Portal

[App page](https://appshunter.io/ios/app/comlink-portal/id1614271814)

Access product information, manuals, and technical support in one convenient place. This intuitive application features an efficient search tool to help you find what you need quickly and optimize your time.

**Highlights:** Find products, Access product manuals, Download product manuals, Locate distributors, Get technical support

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

**In-app purchases:** none


## Frequently asked questions

### Is Hotstart Heater Sizing App free?

Hotstart Heater Sizing App is free to download, with no in-app purchases.

### Is Comlink Portal free?

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

### Do Hotstart Heater Sizing App or Comlink Portal have ads?

Neither Hotstart Heater Sizing App nor Comlink Portal shows ads.

### Which is updated more often, Hotstart Heater Sizing App or Comlink Portal?

Hotstart Heater Sizing App ships an update every 5 weeks, and Comlink Portal every 2 months. Most recently, Hotstart Heater Sizing App was updated on November 2, 2026 and Comlink Portal on November 3, 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.*