# Harmonic Explorer vs Kritus

The clearest difference is price: Kritus at Free against Harmonic Explorer's $0.99. Kritus also leads on update cadence (every 3 weeks vs every 7 months). Harmonic Explorer's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.0). On ads and device support there is nothing between them.

Kritus is free to download; Harmonic Explorer costs $0.99 up front. Kritus sells 2 in-app purchases, starting at $8.99 per month. Harmonic Explorer asks for nothing beyond the download.

Harmonic Explorer ships an update every 7 months, Kritus every 3 weeks. The most recent releases landed on September 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Harmonic Explorer | Kritus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 2 MB | 132 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Mi Lin](https://appshunter.io/developer/6793242806) |

## What reviewers say

### Harmonic Explorer

[App page](https://appshunter.io/ios/app/harmonic-explorer/id6747025974)

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

**In-app purchases:** none


### Kritus

[App page](https://appshunter.io/ios/app/kritus/id6812365185)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kritus Serious User (Monthly) | $8.99 | per month |
| Kritus Serious User (Annual) | $49.99 | per year |


## Frequently asked questions

### Is Harmonic Explorer free?

Harmonic Explorer costs $0.99, with no in-app purchases.

### Is Kritus free?

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

### Do Harmonic Explorer or Kritus have ads?

Neither Harmonic Explorer nor Kritus shows ads.

### Which is updated more often, Harmonic Explorer or Kritus?

Harmonic Explorer ships an update every 7 months, and Kritus every 3 weeks. Most recently, Harmonic Explorer was updated on September 21, 2026 and Kritus on October 14, 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.*