# Therefore vs Knowledge Snack

The clearest difference is in-app purchases: Therefore at none against Knowledge Snack's 1. Therefore also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Knowledge Snack sells 1 in-app purchase, starting at $19.99 per year. Therefore asks for nothing beyond the download.

Therefore ships an update every 3 days, Knowledge Snack every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Therefore | Knowledge Snack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/knowledge-snack/id6761691421/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | — | Freemium |
| Size | 27 MB | 54 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Michael Stanfield](https://appshunter.io/developer/1018192064) | [Giftphoria](https://appshunter.io/developer/1873456095) |

## What reviewers say

### Therefore

[App page](https://appshunter.io/ios/app/therefore/id6757112275)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowledge Snack

[App page](https://appshunter.io/ios/app/knowledge-snack/id6761691421)

Discover a new interesting fact daily in just two minutes. Enjoy audio narration for learning on the go and save your favorite facts for later reference. Customize notification frequency to suit your learning schedule.

**Highlights:** Daily new facts, Audio narration, Save favorite facts, Customizable notifications, Short learning sessions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Premium | $19.99 | per year |


## Frequently asked questions

### Is Therefore free?

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

### Is Knowledge Snack free?

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

### Do Therefore or Knowledge Snack have ads?

Neither Therefore nor Knowledge Snack shows ads.

### Which is updated more often, Therefore or Knowledge Snack?

Therefore ships an update every 3 days, and Knowledge Snack every 9 days. Most recently, Therefore was updated on October 30, 2026 and Knowledge Snack 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.*