# ICM Controls vs Appion Central

The clearest difference is rating: Appion Central at 2.8 against ICM Controls's 1.0. Appion Central also leads on ads (none vs shown) and monetization model (free vs ad-supported). ICM Controls's advantage is iOS requirement (9.0 vs 13.0). 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.

Appion Central holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: Appion Central has 14 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ICM Controls | Appion Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/icm-controls/id1440063390/reviews) | **[2.8 (14 ratings)](https://appshunter.io/ios/app/appion-central/id1455230837/reviews)** |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 64 MB | 35 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICM controls corp](https://appshunter.io/developer/879929077) | [Appion Inc.](https://appshunter.io/developer/978979622) |

## What reviewers say

### ICM Controls

[App page](https://appshunter.io/ios/app/icm-controls/id1440063390)

This app helps users find aftermarket replacement parts for OEM products and browse the company's catalog. It also locates nearby distributors, allows enrollment in a loyalty program for rewards, and provides access to technical support.

**Highlights:** Part number lookup, Aftermarket product catalog, Distributor locator, Customer loyalty program enrollment, Rewards tracking, Technical support access

**Features:** macOS Compatibility

**In-app purchases:** none


### Appion Central

[App page](https://appshunter.io/ios/app/appion-central/id1455230837)

Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.

**Highlights:** Manage Appion products, Interface with Appion Portal, Mobile tool management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ICM Controls free?

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

### Is Appion Central free?

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

### Which has better reviews, ICM Controls or Appion Central?

Appion Central is rated higher. ICM Controls averages 1.0 out of 5 from 2 ratings, while Appion Central averages 2.8 from 14 ratings.

### Do ICM Controls or Appion Central have ads?

ICM Controls shows ads; Appion Central does not.

### Which is updated more often, ICM Controls or Appion Central?

ICM Controls ships an update every 5 weeks, and Appion Central every 5 weeks. Most recently, ICM Controls was updated on October 14, 2026 and Appion Central on October 3, 2026.

---

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