# Heartpedia vs SIMPL

The clearest difference is review sentiment: Heartpedia at 78% against SIMPL's 40%. Heartpedia also leads on rating (4.3 vs 4.1) and iOS requirement (13.0 vs 15.0). SIMPL's advantage is update cadence (every 2 weeks vs every 8 months). On price, ratings volume, 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.

Heartpedia holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 34 and 16 respectively. Written reviews point the same way: 78% of Heartpedia's written reviews are positive against 40% of SIMPL's.

Heartpedia ships an update every 8 months, SIMPL every 2 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Heartpedia | SIMPL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (34 ratings)](https://appshunter.io/ios/app/heartpedia/id885512669/reviews)** | [4.1 (16 ratings)](https://appshunter.io/ios/app/simpl/id1660627978/reviews) |
| Number of ratings | **34** | 16 |
| Positive reviews | **77.8% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 17 MB | 37 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Cincinnati Children's Hospital Medical Center](https://appshunter.io/developer/710665942) | [Procedural Learning and Safety Collaborative, Inc](https://appshunter.io/developer/970265410) |

## What reviewers say

### Heartpedia

[App page](https://appshunter.io/ios/app/heartpedia/id885512669)

Explore interactive 3D models of pediatric heart anomalies and defects. This app provides detailed visualizations and explanations to help healthcare providers educate patients and families, or for individuals to learn more about specific conditions.

**Highlights:** Interactive 3D heart models, Normal, defect, and repair views, Exterior and interior heart planes, Pan, rotate, and zoom functionality, Video animations with audio descriptions, Key heart structure labels, Detailed defect descriptions

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

**In-app purchases:** none


### SIMPL

[App page](https://appshunter.io/ios/app/simpl/id1660627978)

This app facilitates workplace-based assessments for medical professionals, enabling the evaluation of entrustable professional activities within medical education settings.

**Highlights:** Workplace-based assessments, Entrustable professional activities, Medical education implementation, Professional development tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Heartpedia free?

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

### Is SIMPL free?

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

### Which has better reviews, Heartpedia or SIMPL?

Heartpedia is rated higher. Heartpedia averages 4.3 out of 5 from 34 ratings, while SIMPL averages 4.1 from 16 ratings.

### Do Heartpedia or SIMPL have ads?

Neither Heartpedia nor SIMPL shows ads.

### Which is updated more often, Heartpedia or SIMPL?

Heartpedia ships an update every 8 months, and SIMPL every 2 weeks. Most recently, Heartpedia was updated on October 12, 2026 and SIMPL on October 5, 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.*