# BFH vs HRVSpark

The clearest difference is review sentiment: HRVSpark at 100% against BFH's 11%. HRVSpark also leads on update cadence (weekly vs every 6 weeks). BFH's advantage is in-app purchases (none vs 2) and iOS requirement (7.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HRVSpark sells 2 one-off in-app purchases. BFH asks for nothing beyond the download.

BFH ships an update every 6 weeks, HRVSpark weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BFH | HRVSpark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hrvspark/id6759590346/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 11.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 33 MB | 6 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [顺文 赖](https://appshunter.io/developer/1431892326) | [Joel Farthing](https://appshunter.io/developer/1879704683) |

## What reviewers say

### BFH

[App page](https://appshunter.io/ios/app/bfh-16/id1431892327)

This app displays movement and sleep data from a connected bracelet. It allows users to view statistics and configure various bracelet settings. The application provides insights into daily activity and rest patterns.

**Highlights:** Display movement data, Show sleep data, View statistics, Set bracelet parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### HRVSpark

[App page](https://appshunter.io/ios/app/hrvspark/id6759590346)

Visualize your raw heart rate variability data directly on your Apple Watch face with a dynamic sparkline complication. Get immediate insights into your body's trends without opaque scores or labels. A companion iPhone app provides detailed views and guidance.

**Highlights:** Raw HRV sparkline complication, 8-hour free complication, 24/7, 7-day, 30-day Pro views, Circular gauge and corner complications, iPhone companion app, No interpretation layer, Complication-first design

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HRVSpark Pro | $0.99 | one-time |
| HRVSpark Tip Jar | $4.99 | one-time |


## Frequently asked questions

### Is BFH free?

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

### Is HRVSpark free?

HRVSpark is free to download, with in-app purchases available.

### Do BFH or HRVSpark have ads?

Neither BFH nor HRVSpark shows ads.

### Which is updated more often, BFH or HRVSpark?

BFH ships an update every 6 weeks, and HRVSpark weekly. Most recently, BFH was updated on November 2, 2026 and HRVSpark on October 31, 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.*