# ソルフェジオ&シューマン共振発生器 vs AI×倍速×アファーメーション

The clearest difference is update cadence: AI×倍速×アファーメーション at every 2 weeks against ソルフェジオ&シューマン共振発生器's every 5 weeks. AI×倍速×アファーメーション also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ソルフェジオ&シューマン共振発生器 sells 1 one-off in-app purchase and AI×倍速×アファーメーション sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ソルフェジオ&シューマン共振発生器 ships an update every 5 weeks, AI×倍速×アファーメーション every 2 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ソルフェジオ&シューマン共振発生器 | AI×倍速×アファーメーション |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 54 MB | 70 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soichi Ueno](https://appshunter.io/developer/1837305605) | [Kazuki Yamamoto](https://appshunter.io/developer/1889110454) |

## What reviewers say

### ソルフェジオ&シューマン共振発生器

[App page](https://appshunter.io/ios/app/and/id6751943267)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent right of use | $5.99 | one-time |


### AI×倍速×アファーメーション

[App page](https://appshunter.io/ios/app/ai/id6761359436)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム会員（月額） | $2.99 | per month |
| 200ポイント | $0.49 | one-time |
| 1200ポイント | $2.99 | one-time |
| 3000ポイント | $5.99 | one-time |


## Frequently asked questions

### Is ソルフェジオ&シューマン共振発生器 free?

ソルフェジオ&シューマン共振発生器 is free to download, with in-app purchases available.

### Is AI×倍速×アファーメーション free?

AI×倍速×アファーメーション is free to download, with in-app purchases available.

### Do ソルフェジオ&シューマン共振発生器 or AI×倍速×アファーメーション have ads?

Neither ソルフェジオ&シューマン共振発生器 nor AI×倍速×アファーメーション shows ads.

### Which is updated more often, ソルフェジオ&シューマン共振発生器 or AI×倍速×アファーメーション?

ソルフェジオ&シューマン共振発生器 ships an update every 5 weeks, and AI×倍速×アファーメーション every 2 weeks. Most recently, ソルフェジオ&シューマン共振発生器 was updated on October 15, 2026 and AI×倍速×アファーメーション on October 8, 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.*