# CalcificAID vs ACS Max

The clearest difference is ads: ACS Max at none against CalcificAID's shown. ACS Max also leads on update cadence (every 2 days vs every 37 months). CalcificAID's advantage is iOS requirement (13.0 vs 15.5.0). 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.

CalcificAID ships an update every 37 months, ACS Max every 2 days. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CalcificAID | ACS Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcificaid/id1461295720/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 57 MB | 82 MB |
| Requires iOS | **13.0** | 15.5.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 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

### CalcificAID

[App page](https://appshunter.io/ios/app/calcificaid/id1461295720)

This free educational tool guides medical professionals through managing calcified coronary lesions. It provides step-by-step illustrations for identifying and treating calcification using various atherectomy techniques before stenting.

**Highlights:** Step-by-step illustrations, Coronary calcification identification, Treatment of calcified lesions, Rotational atherectomy guidance, Orbital atherectomy guidance, Laser atherectomy guidance, Intravascular lithotripsy (IVL) guidance, Atherotomy guidance

**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 CalcificAID free?

CalcificAID 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 CalcificAID or ACS Max have ads?

CalcificAID shows ads; ACS Max does not.

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

CalcificAID ships an update every 37 months, and ACS Max every 2 days. Most recently, CalcificAID was updated on September 29, 2026 and ACS Max on September 24, 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.*