# Heat Engineer vs PockeTech

The clearest difference is update cadence: PockeTech at every 8 days against Heat Engineer's every 2 months. Heat Engineer's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Heat Engineer sells 1 one-off in-app purchase and PockeTech sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Heat Engineer ships an update every 2 months, PockeTech every 8 days. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Heat Engineer | PockeTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocketech/id6746424397/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 215 MB | 10 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Heat Engineer Software Ltd](https://appshunter.io/developer/1461678894) | [Randall McGrath](https://appshunter.io/developer/1816832117) |

## What reviewers say

### Heat Engineer

[App page](https://appshunter.io/ios/app/heat-engineer/id879510552)

This app assists heating engineers and surveyors in collecting property data for heating system installations. It supports heat loss reports for various technologies and includes tools for sound assessments and quick estimations. Data is automatically saved for later review and amendment.

**Highlights:** Heat loss survey for BS EN 12831, CIBSE, and MCS standards, MCS 020 sound assessment for Air Source Heat Pumps, Quick heat loss estimator tool, Automatic data saving and history for amendments, Room-by-room heat loss calculation, Photo capture for rooms and installation locations, Fuel comparisons and running cost calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MCS 020 PDF Report Token | $2.99 | one-time |


### PockeTech

[App page](https://appshunter.io/ios/app/pocketech/id6746424397)

This digital assistant helps HVAC technicians diagnose and fix issues efficiently. It provides step-by-step guided workflows and component-specific troubleshooting to reduce callbacks and increase income. Access essential tech tips and best practices offline to improve speed and accuracy in the field.

**Highlights:** Step-by-step diagnostic logic trees, Component-specific troubleshooting workflows, Offline access to tech tips and references, Guided workflows for common HVAC issues, Mobile-ready design for field use, Continuous updates based on user feedback

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PockeTech Monthly | $9.99 | per month |
| PockeTech Annual | $99.99 | per year |


## Frequently asked questions

### Is Heat Engineer free?

Heat Engineer is free to download, with in-app purchases available.

### Is PockeTech free?

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

### Do Heat Engineer or PockeTech have ads?

Neither Heat Engineer nor PockeTech shows ads.

### Which is updated more often, Heat Engineer or PockeTech?

Heat Engineer ships an update every 2 months, and PockeTech every 8 days. Most recently, Heat Engineer was updated on November 11, 2026 and PockeTech on October 30, 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.*