# CCM.ai vs Ionized Calcium Calculator

The clearest difference is update cadence: Ionized Calcium Calculator at every 4 days against CCM.ai's every 3 weeks. CCM.ai's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CCM.ai ships an update every 3 weeks, Ionized Calcium Calculator every 4 days. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CCM.ai | Ionized Calcium Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 26 MB | 1 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mahendar Yedla](https://appshunter.io/developer/1787875842) | [Ernie Yap](https://appshunter.io/developer/1806950808) |

## What reviewers say

### CCM.ai

[App page](https://appshunter.io/ios/app/ccmai/id6746357626)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ionized Calcium Calculator

[App page](https://appshunter.io/ios/app/ionized-calcium-calculator/id6756215675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CCM.ai free?

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

### Is Ionized Calcium Calculator free?

Ionized Calcium Calculator is free to download, with no in-app purchases.

### Do CCM.ai or Ionized Calcium Calculator have ads?

Neither CCM.ai nor Ionized Calcium Calculator shows ads.

### Which is updated more often, CCM.ai or Ionized Calcium Calculator?

CCM.ai ships an update every 3 weeks, and Ionized Calcium Calculator every 4 days. Most recently, CCM.ai was updated on September 30, 2026 and Ionized Calcium Calculator on October 11, 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.*