# Siftlee vs MDer

The clearest difference is in-app purchases: MDer at none against Siftlee's 3. Siftlee's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Siftlee sells 3 in-app purchases, starting at $7.99 per 7 days. MDer asks for nothing beyond the download.

Siftlee ships an update monthly, MDer every 2 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Siftlee | MDer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 34 MB | 8 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ainur Corp.](https://appshunter.io/developer/1896573227) | [福恩 毛](https://appshunter.io/developer/421941791) |

## What reviewers say

### Siftlee

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $19.99 | per month |
| Annual | $79.99 | per year |


### MDer

[App page](https://appshunter.io/ios/app/mder-markdown-reader/id6791898076)

**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 MDer free?

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

### Do Siftlee or MDer have ads?

MDer shows ads; Siftlee does not.

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

Siftlee ships an update monthly, and MDer every 2 weeks. Most recently, Siftlee was updated on November 5, 2026 and MDer on November 10, 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.*