# HRVSpark vs MacroLoggerApp

The clearest difference is in-app purchases: MacroLoggerApp at none against HRVSpark's 2. MacroLoggerApp also leads on update cadence (daily vs weekly). HRVSpark's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

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

HRVSpark ships an update weekly, MacroLoggerApp daily. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | HRVSpark | MacroLoggerApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hrvspark/id6759590346/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | — |
| Size | 6 MB | 12 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joel Farthing](https://appshunter.io/developer/1879704683) | [Osea Hoffman](https://appshunter.io/developer/1885261284) |

## What reviewers say

### 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 |


### MacroLoggerApp

[App page](https://appshunter.io/ios/app/macrologgerapp/id6760603614)

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

**In-app purchases:** none


## Frequently asked questions

### Is HRVSpark free?

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

### Is MacroLoggerApp free?

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

### Do HRVSpark or MacroLoggerApp have ads?

Neither HRVSpark nor MacroLoggerApp shows ads.

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

HRVSpark ships an update weekly, and MacroLoggerApp daily. Most recently, HRVSpark was updated on October 14, 2026 and MacroLoggerApp on October 8, 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.*