# InvoSurg vs AskCardio

The clearest difference is rating: AskCardio at 5.0 against InvoSurg's 4.3. AskCardio also leads on update cadence (every 3 weeks vs every 10 months). InvoSurg's advantage is ratings volume (11 vs 3) and iOS requirement (14.0 vs 16.4). On price, review sentiment, 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.

AskCardio holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

InvoSurg ships an update every 10 months, AskCardio every 3 weeks. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | InvoSurg | AskCardio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (11 ratings)](https://appshunter.io/ios/app/invosurg/id1480250400/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/askcardio/id6670686218/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 1 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Invosurg Inc.](https://appshunter.io/developer/1480250399) | [Ahmed Abuelenein](https://appshunter.io/developer/1767021743) |

## What reviewers say

### InvoSurg

[App page](https://appshunter.io/ios/app/invosurg/id1480250400)

This medical app assists cardiac surgery clinicians by providing access to individualized care information, calculations for delivered oxygen during cardiopulmonary bypass, and a repository of educational events and publications. It serves as a convenient mobile reference for CPB and Extra Corporeal Life Support therapies, along with evidence-based guidelines.

**Highlights:** Individualized care information, Delivered Oxygen (DO2) calculation, Educational event calendar, CPB and ECLS therapy information, Evidence-Based Guidelines reference, Cardiac surgery publications

**Features:** macOS Compatibility

**In-app purchases:** none


### AskCardio

[App page](https://appshunter.io/ios/app/askcardio/id6670686218)

Access cardiology information from trusted sources like the American Society of Echocardiography. This app offers summaries on heart-related topics for clinicians and patients, serving as a supplementary educational tool.

**Highlights:** Cardiology information access, Integration with trusted sources, Summaries on cardiology topics, Tool for clinicians and patients, Educational resource

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InvoSurg free?

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

### Is AskCardio free?

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

### Which has better reviews, InvoSurg or AskCardio?

AskCardio is rated higher. InvoSurg averages 4.3 out of 5 from 11 ratings, while AskCardio averages 5.0 from 3 ratings.

### Do InvoSurg or AskCardio have ads?

Neither InvoSurg nor AskCardio shows ads.

### Which is updated more often, InvoSurg or AskCardio?

InvoSurg ships an update every 10 months, and AskCardio every 3 weeks. Most recently, InvoSurg was updated on September 9, 2026 and AskCardio on June 1, 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.*