# Prolon Focus vs ENA

The clearest difference is rating: Prolon Focus at 4.5 against ENA's 1.0. Prolon Focus also leads on ratings volume (85 vs 3). ENA's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Prolon Focus holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Prolon Focus has 85 ratings behind it against 3, so its average is the more settled of the two.

Prolon Focus ships an update fortnightly, ENA every 3 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Prolon Focus | ENA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (85 ratings)](https://appshunter.io/ios/app/prolon-focus/id1050748696/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/ena/id1534734643/reviews) |
| Number of ratings | **85** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 48 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prolon Inc](https://appshunter.io/developer/1050748695) | [ENA Solution Inc.](https://appshunter.io/developer/1534734645) |

## What reviewers say

### Prolon Focus

[App page](https://appshunter.io/ios/app/prolon-focus/id1050748696)

This app offers a graphical interface for visualizing and configuring Prolon zoning systems. It supports cloud storage for projects, allowing sharing and note attachment. Snapshots can also be created and transferred between users.

**Highlights:** Visualize Prolon zoning systems, Configure Prolon zoning systems, Graphical user interface, Cloud storage for projects, Share projects with users, Attach project notes, Create and copy snapshots

**Features:** macOS Compatibility

**In-app purchases:** none


### ENA

[App page](https://appshunter.io/ios/app/ena/id1534734643)

This app allows remote control of industrial thermostats from anywhere in the world. It offers complete control over heating systems, helps reduce energy costs, and provides reporting and notifications for off-site management. Enjoy peace of mind and convenience with easy installation and durability in harsh environments.

**Highlights:** Remote thermostat control, Heating system management, Energy consumption reduction, Global accessibility, Reporting and notifications, Intuitive scheduling interface, Durable in harsh environments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prolon Focus free?

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

### Is ENA free?

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

### Which has better reviews, Prolon Focus or ENA?

Prolon Focus is rated higher. Prolon Focus averages 4.5 out of 5 from 85 ratings, while ENA averages 1.0 from 3 ratings.

### Do Prolon Focus or ENA have ads?

Prolon Focus shows ads; ENA does not.

### Which is updated more often, Prolon Focus or ENA?

Prolon Focus ships an update fortnightly, and ENA every 3 weeks. Most recently, Prolon Focus was updated on October 6, 2026 and ENA on October 5, 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.*