# Siftlee vs Richdown

The clearest difference is in-app purchases: Richdown at none against Siftlee's 3. Richdown also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Siftlee sells 3 in-app purchases, starting at $9.99 per 7 days. Richdown asks for nothing beyond the download.

Siftlee ships an update every 3 weeks, Richdown every 2 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Siftlee | Richdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 30 MB | 7 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ainur Corp.](https://appshunter.io/developer/1896573227) | [Yo Suzuki](https://appshunter.io/developer/1866507310) |

## What reviewers say

### Siftlee

[App page](https://appshunter.io/ios/app/siftlee-ai-second-brain/id6768440046)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $19.99 | per month |
| Annual | $129.99 | per year |


### Richdown

[App page](https://appshunter.io/ios/app/richdown/id6776106561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siftlee free?

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

### Is Richdown free?

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

### Do Siftlee or Richdown have ads?

Neither Siftlee nor Richdown shows ads.

### Which is updated more often, Siftlee or Richdown?

Siftlee ships an update every 3 weeks, and Richdown every 2 weeks. Most recently, Siftlee was updated on October 15, 2026 and Richdown on October 12, 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.*