# Humboldt vs Silverleaf Reader

The clearest difference is update cadence: Silverleaf Reader at every 8 days against Humboldt's every 33 months. Humboldt's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Humboldt ships an update every 33 months, Silverleaf Reader every 8 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Humboldt | Silverleaf Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/humboldt/id1592768206/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 1 MB | 261 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Vincode, Inc](https://appshunter.io/developer/1434335357) | [Silver Pine Software](https://appshunter.io/developer/816032614) |

## What reviewers say

### Humboldt

[App page](https://appshunter.io/ios/app/humboldt/id1592768206)

Create custom shortcuts for seamless posting to Micro.blog, including HTML content and image uploads. Automate your blogging workflow with hands-free publishing and import options from other platforms.

**Highlights:** Post HTML to Micro.blog, Upload images to Micro.blog, Build hands-free posting shortcuts, Import posts from other systems, Easy Micro.blog account sign-on

**In-app purchases:** none


### Silverleaf Reader

[App page](https://appshunter.io/ios/app/silverleaf-reader/id6758919465)

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

**In-app purchases:** none


## Frequently asked questions

### Is Humboldt free?

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

### Is Silverleaf Reader free?

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

### Do Humboldt or Silverleaf Reader have ads?

Neither Humboldt nor Silverleaf Reader shows ads.

### Which is updated more often, Humboldt or Silverleaf Reader?

Humboldt ships an update every 33 months, and Silverleaf Reader every 8 days. Most recently, Humboldt was updated on November 3, 2026 and Silverleaf Reader on November 9, 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.*