# iECG vs OpenPPG

iECG and OpenPPG are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

iECG ships an update every 2 months, OpenPPG monthly. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iECG | OpenPPG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 2 MB | 9 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [徐州永康电子科技有限公司](https://appshunter.io/developer/1095223244) | [research app](https://appshunter.io/developer/1807596075) |

## What reviewers say

### iECG

[App page](https://appshunter.io/ios/app/iecg/id6468363704)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenPPG

[App page](https://appshunter.io/ios/app/openppg/id6744415040)

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

**In-app purchases:** none


## Frequently asked questions

### Is iECG free?

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

### Is OpenPPG free?

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

### Do iECG or OpenPPG have ads?

Neither iECG nor OpenPPG shows ads.

### Which is updated more often, iECG or OpenPPG?

iECG ships an update every 2 months, and OpenPPG monthly. Most recently, iECG was updated on September 13, 2026 and OpenPPG 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.*