# GuidewireAID vs ACS Max

The clearest difference is ads: ACS Max at none against GuidewireAID's shown. ACS Max also leads on update cadence (every 2 days vs every 4 months) and iOS requirement (15.5.0 vs 18.0). On price, 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.

GuidewireAID ships an update every 4 months, ACS Max every 2 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GuidewireAID | ACS Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/guidewireaid/id1585410350/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 76 MB | 82 MB |
| Requires iOS | 18.0 | **15.5.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) | [Klinovo Ozel Saglik Hizmetleri Limited Sirketi](https://appshunter.io/developer/1533164575) |

## What reviewers say

### GuidewireAID

[App page](https://appshunter.io/ios/app/guidewireaid/id1585410350)

This app provides an in-depth introduction to coronary guidewires, covering terminology and case reviews. It helps users find alternative wires based on similar properties, making it valuable for medical professionals.

**Highlights:** Coronary guidewire introduction, Terminology explanation (tip load, coatings), Complex case reviews, Selection recommendations, Expansive wire library, Alternative wire search

**Features:** macOS Compatibility

**In-app purchases:** none


### ACS Max

[App page](https://appshunter.io/ios/app/acs-max/id6654906402)

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

**In-app purchases:** none


## Frequently asked questions

### Is GuidewireAID free?

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

### Is ACS Max free?

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

### Do GuidewireAID or ACS Max have ads?

GuidewireAID shows ads; ACS Max does not.

### Which is updated more often, GuidewireAID or ACS Max?

GuidewireAID ships an update every 4 months, and ACS Max every 2 days. Most recently, GuidewireAID was updated on November 3, 2026 and ACS Max on October 25, 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.*