# Prolon Focus vs Wrench

The clearest difference is rating: Prolon Focus at 4.5 against Wrench's 3.0. Prolon Focus also leads on ratings volume (85 vs 2) and review sentiment (67% vs 50%). Wrench's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement 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 3.0. That said, the two scores are not equally well evidenced: Prolon Focus has 85 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Prolon Focus's written reviews are positive against 50% of Wrench's.

Prolon Focus ships an update fortnightly, Wrench monthly. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Prolon Focus | Wrench |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (85 ratings)](https://appshunter.io/ios/app/prolon-focus/id1050748696/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/wrench/id6503306846/reviews) |
| Number of ratings | **85** | 2 |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 48 MB | 45 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prolon Inc](https://appshunter.io/developer/1050748695) | [Armstrong Fluid Technology](https://appshunter.io/developer/908865070) |

## 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


### Wrench

[App page](https://appshunter.io/ios/app/wrench/id6503306846)

Streamline the servicing and management of Armstrong equipment. This app allows users to select optimal operating speeds, replicate data for efficient commissioning, and eliminate manual data entry. Quickly locate assets to improve workflow.

**Highlights:** Service Armstrong equipment, Manage Armstrong equipment, Select operating speeds, Replicate data for commissioning, Eliminate manual data entry, Locate assets

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

**In-app purchases:** none


## Frequently asked questions

### Is Prolon Focus free?

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

### Is Wrench free?

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

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

Prolon Focus is rated higher. Prolon Focus averages 4.5 out of 5 from 85 ratings, while Wrench averages 3.0 from 2 ratings.

### Do Prolon Focus or Wrench have ads?

Prolon Focus shows ads; Wrench does not.

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

Prolon Focus ships an update fortnightly, and Wrench monthly. Most recently, Prolon Focus was updated on October 6, 2026 and Wrench on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*