# Solfeggio Waves vs Solfa

The clearest difference is price: Solfa at Free against Solfeggio Waves's $1.99. Solfa also leads on iOS requirement (15.0 vs 18.0). Solfeggio Waves's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Solfa is free to download; Solfeggio Waves costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Solfeggio Waves | Solfa |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/solfeggio-waves/id6761736623/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Monetization | Paid | — |
| Size | 2 MB | 86 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dustin Cohick](https://appshunter.io/developer/1891177026) | [ONTRAILS](https://appshunter.io/developer/1570756171) |

## What reviewers say

### Solfeggio Waves

[App page](https://appshunter.io/ios/app/solfeggio-waves/id6761736623)

This app uses ancient Solfeggio frequencies and modern binaural beats to promote calm and clarity. Choose from various frequencies and brainwave states, layered with ambient sounds, for meditation, sleep, or focus.

**Highlights:** 9 Solfeggio frequencies, Adjustable brainwave states, Precise beat frequency control, Wind ambience option, Background audio playback, Real-time sine wave generation

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

**In-app purchases:** none


### Solfa

[App page](https://appshunter.io/ios/app/solfa-solfeggio-frequencies/id6818970165)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solfeggio Waves free?

Solfeggio Waves costs $1.99, with no in-app purchases.

### Is Solfa free?

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

### Do Solfeggio Waves or Solfa have ads?

Solfa shows ads; Solfeggio Waves does not.

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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.*