# Biorhythm 365days vs Husker Scope

The clearest difference is in-app purchases: Husker Scope at none against Biorhythm 365days's 1. Husker Scope also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Biorhythm 365days's advantage is update cadence (every 2 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Biorhythm 365days sells 1 one-off in-app purchase. Husker Scope asks for nothing beyond the download.

Biorhythm 365days ships an update every 2 weeks, Husker Scope every 9 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Biorhythm 365days | Husker Scope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/husker-scope/id1593014802/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | — | Free |
| Size | 24 MB | 23 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [University of Nebraska - Lincoln](https://appshunter.io/developer/317236993) |

## What reviewers say

### Biorhythm 365days

[App page](https://appshunter.io/ios/app/biorhythm-365days/id1562706194)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Husker Scope

[App page](https://appshunter.io/ios/app/husker-scope/id1593014802)

This utility app functions as a multi-channel signal generator and analyzer. It supports audio range signals through device speakers and can process higher frequencies with a custom hardware board. The app offers oscilloscope, spectrum analyzer, and logic analyzer capabilities.

**Highlights:** Dual Channel Function Generator, DC AM/FM Modulator, DC Oscilloscope, DC Spectrum Analyzer, 8-channel Logic Analyzer, Audio output via speakers/jack, Custom hardware board support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm 365days free?

Biorhythm 365days is free to download, with in-app purchases available.

### Is Husker Scope free?

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

### Do Biorhythm 365days or Husker Scope have ads?

Biorhythm 365days shows ads; Husker Scope does not.

### Which is updated more often, Biorhythm 365days or Husker Scope?

Biorhythm 365days ships an update every 2 weeks, and Husker Scope every 9 months. Most recently, Biorhythm 365days was updated on November 3, 2026 and Husker Scope on November 3, 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.*