# ECG vs IronBond

The clearest difference is update cadence: IronBond at every 2 weeks against ECG's every 3 months. ECG's advantage is iOS requirement (15.5 vs 17.0). On price, ads, 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.

ECG ships an update every 3 months, IronBond every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ECG | IronBond |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 53 MB | 104 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) | [The PAIRS Foundation, Inc.](https://appshunter.io/developer/357422501) |

## What reviewers say

### ECG

[App page](https://appshunter.io/ios/app/ecg-smart/id6736861146)

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

**In-app purchases:** none


### IronBond

[App page](https://appshunter.io/ios/app/ironbond/id6756419055)

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

**In-app purchases:** none


## Frequently asked questions

### Is ECG free?

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

### Is IronBond free?

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

### Do ECG or IronBond have ads?

Neither ECG nor IronBond shows ads.

### Which is updated more often, ECG or IronBond?

ECG ships an update every 3 months, and IronBond every 2 weeks. Most recently, ECG was updated on October 19, 2026 and IronBond on October 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.*