# Heart Graph vs Simple Sleep Sounds

The clearest difference is price: Simple Sleep Sounds at Free against Heart Graph's $4.99. Simple Sleep Sounds also leads on rating (5.0 vs 4.6). Heart Graph's advantage is update cadence (weekly vs every 2 months) and ratings volume (49 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

Simple Sleep Sounds is free to download; Heart Graph costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Sleep Sounds holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Heart Graph has 49 ratings behind it against 2, so its average is the more settled of the two.

Heart Graph ships an update weekly, Simple Sleep Sounds every 2 months. The most recent releases landed on October 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Heart Graph | Simple Sleep Sounds |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.6 (49 ratings)](https://appshunter.io/ios/app/heart-graph-visualised-pulse/id1281349018/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-sleep-sounds/id6502416885/reviews)** |
| Number of ratings | **49** | 2 |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 12 MB | 269 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ruslan Kimaev](https://appshunter.io/developer/1274530501) | [Morgan Maxwell Wade](https://appshunter.io/developer/1745395440) |

## What reviewers say

### Heart Graph

[App page](https://appshunter.io/ios/app/heart-graph-visualised-pulse/id1281349018)

Visualize your heart rate data stored in your health app. See average, minimum, and maximum heart rate values presented in tables or graphs. Export your heart rate data to a CSV file for further analysis.

**Highlights:** Visualize heart rate data, View average, min, max heart rate, Data presented in tables and graphs, Export heart rate data to CSV, Show workout heart rate on graph

**In-app purchases:** none


### Simple Sleep Sounds

[App page](https://appshunter.io/ios/app/simple-sleep-sounds/id6502416885)

This application offers a collection of unique and classic sounds designed to help users fall asleep or relax. New sounds are regularly added, and user suggestions are considered for future updates.

**Highlights:** Unique soundscapes, Classic relaxation sounds, Sleep aid functionality, Regular sound additions, User suggestion integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heart Graph free?

Heart Graph costs $4.99, with no in-app purchases.

### Is Simple Sleep Sounds free?

Simple Sleep Sounds is free to download, with no in-app purchases.

### Which has better reviews, Heart Graph or Simple Sleep Sounds?

Simple Sleep Sounds is rated higher. Heart Graph averages 4.6 out of 5 from 49 ratings, while Simple Sleep Sounds averages 5.0 from 2 ratings.

### Do Heart Graph or Simple Sleep Sounds have ads?

Neither Heart Graph nor Simple Sleep Sounds shows ads.

### Which is updated more often, Heart Graph or Simple Sleep Sounds?

Heart Graph ships an update weekly, and Simple Sleep Sounds every 2 months. Most recently, Heart Graph was updated on October 19, 2026 and Simple Sleep Sounds on September 28, 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.*