# Thule vs Siltwell

The clearest difference is in-app purchases: Thule at none against Siltwell's 1. Siltwell's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Siltwell sells 1 in-app purchase, starting at $39.99 per year. Thule asks for nothing beyond the download.

Thule ships an update every 5 weeks, Siltwell every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Thule | Siltwell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 107 MB | 32 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thule Sweden AB](https://appshunter.io/developer/1536476445) | [Christopher Bryant](https://appshunter.io/developer/6789133104) |

## What reviewers say

### Thule

[App page](https://appshunter.io/ios/app/thule/id1536476443)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Siltwell

[App page](https://appshunter.io/ios/app/siltwell-garden-planner/id6789133090)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Siltwell Pro | $39.99 | per year |


## Frequently asked questions

### Is Thule free?

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

### Is Siltwell free?

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

### Do Thule or Siltwell have ads?

Neither Thule nor Siltwell shows ads.

### Which is updated more often, Thule or Siltwell?

Thule ships an update every 5 weeks, and Siltwell every 2 weeks. Most recently, Thule was updated on November 7, 2026 and Siltwell 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.*