# Penge SE20 vs Spirogenix MoldWave™

The clearest difference is in-app purchases: Penge SE20 at none against Spirogenix MoldWave™'s 6. Spirogenix MoldWave™'s advantage is update cadence (weekly vs monthly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Spirogenix MoldWave™ sells 6 in-app purchases, starting at $9.99 per 7 days. Penge SE20 asks for nothing beyond the download.

Penge SE20 ships an update monthly, Spirogenix MoldWave™ weekly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Penge SE20 | Spirogenix MoldWave™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/spirogenix-moldwave/id6505110013/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Subscription |
| Size | 103 MB | 28 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Loqiva](https://appshunter.io/developer/1550500264) | [Spirogenix LLC](https://appshunter.io/developer/1755181468) |

## What reviewers say

### Penge SE20

[App page](https://appshunter.io/ios/app/penge-se20/id6449501877)

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

**In-app purchases:** none


### Spirogenix MoldWave™

[App page](https://appshunter.io/ios/app/spirogenix-moldwave/id6505110013)

This app utilizes patented audio vibration technology to reduce or eliminate mold, mildew, fungus, and mycotoxins from indoor environments. It offers various subscription plans for personal or professional use, with options for single or multiple device access.

**Highlights:** Audio vibration technology, Reduces mold, mildew, fungus, Eliminates mycotoxins, Indoor air and surface treatment, Multiple subscription tiers, Multi-device support

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual - Weekly | $9.99 | per 7 days |
| Individual - Monthly | $34.99 | per month |
| Professional - Monthly | $89.99 | per month |
| Individual - Yearly | $174.99 | per year |
| Professional - Yearly | $449.99 | per year |
| Lifetime | $294.99 | one-time |


## Frequently asked questions

### Is Penge SE20 free?

Penge SE20 is free to download, with no in-app purchases.

### Is Spirogenix MoldWave™ free?

Spirogenix MoldWave™ is free to download, with in-app purchases available.

### Do Penge SE20 or Spirogenix MoldWave™ have ads?

Neither Penge SE20 nor Spirogenix MoldWave™ shows ads.

### Which is updated more often, Penge SE20 or Spirogenix MoldWave™?

Penge SE20 ships an update monthly, and Spirogenix MoldWave™ weekly. Most recently, Penge SE20 was updated on October 2, 2026 and Spirogenix MoldWave™ on October 1, 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.*