# Led Flow vs Yarrow Yi

The clearest difference is in-app purchases: Led Flow at none against Yarrow Yi's 8. Yarrow Yi's advantage is update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Yarrow Yi sells 8 in-app purchases, starting at $2.99 per month. Led Flow asks for nothing beyond the download.

Led Flow ships an update monthly, Yarrow Yi every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Led Flow | Yarrow Yi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 25 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [添 程](https://appshunter.io/developer/1748936369) | [MyMemo AI](https://appshunter.io/developer/1745873794) |

## What reviewers say

### Led Flow

[App page](https://appshunter.io/ios/app/led-flow/id6503416744)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yarrow Yi

[App page](https://appshunter.io/ios/app/yarrow-yi-i-ching-reading/id6772719834)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yarrow Yi Plus | $2.99 | per month |
| Yarrow Yi Pro | $12.99 | per month |
| Yarrow Yi Plus | $24.99 | per year |
| Yarrow Yi Pro | $99.99 | per year |
| 100 AI Credits | $9.99 | one-time |
| 200 AI Credits | $19.99 | one-time |
| 400 AI Credits | $39.99 | one-time |
| 1000 AI Credits | $99.99 | one-time |


## Frequently asked questions

### Is Led Flow free?

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

### Is Yarrow Yi free?

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

### Do Led Flow or Yarrow Yi have ads?

Neither Led Flow nor Yarrow Yi shows ads.

### Which is updated more often, Led Flow or Yarrow Yi?

Led Flow ships an update monthly, and Yarrow Yi every 5 days. Most recently, Led Flow was updated on November 4, 2026 and Yarrow Yi on October 31, 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.*