# Solfeggion Frequency Energizer vs KLU Longevity

The clearest difference is price: KLU Longevity at Free against Solfeggion Frequency Energizer's $2.99. KLU Longevity also leads on update cadence (every 10 days vs every 6 months). Solfeggion Frequency Energizer's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads there is nothing between them.

KLU Longevity is free to download; Solfeggion Frequency Energizer costs $2.99 up front. KLU Longevity sells 3 in-app purchases, starting at $4.99 per month. Solfeggion Frequency Energizer asks for nothing beyond the download.

Solfeggion Frequency Energizer ships an update every 6 months, KLU Longevity every 10 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Solfeggion Frequency Energizer | KLU Longevity |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/solfeggion-frequency-energizer/id6472733103/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 42 MB | 95 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Richter und Bodenstein Software GbR](https://appshunter.io/developer/1709722931) | [LifeUnlocked s.r.o.](https://appshunter.io/developer/1896421480) |

## What reviewers say

### Solfeggion Frequency Energizer

[App page](https://appshunter.io/ios/app/solfeggion-frequency-energizer/id6472733103)

This app offers energizing and relaxing experiences using Solfeggio frequencies. It features independent energizing options, chakra cleansing, and cosmic frequencies. Enjoy audio, visual, and haptic feedback for a holistic well-being session.

**Highlights:** Solfeggio frequencies, Schumann difference vibration, Chakra cleansing, Cosmic frequencies, Audio, visual, and haptic feedback, Multilingual support

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

**In-app purchases:** none


### KLU Longevity

[App page](https://appshunter.io/ios/app/klu-longevity/id6760349826)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KLU Monthly Subscription | $4.99 | per month |
| KLU Yearly Subscription | $49.99 | per year |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Solfeggion Frequency Energizer free?

Solfeggion Frequency Energizer costs $2.99, with no in-app purchases.

### Is KLU Longevity free?

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

### Do Solfeggion Frequency Energizer or KLU Longevity have ads?

Neither Solfeggion Frequency Energizer nor KLU Longevity shows ads.

### Which is updated more often, Solfeggion Frequency Energizer or KLU Longevity?

Solfeggion Frequency Energizer ships an update every 6 months, and KLU Longevity every 10 days. Most recently, Solfeggion Frequency Energizer was updated on November 12, 2026 and KLU Longevity on November 13, 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.*