# Tuffy vs KnowDay

The clearest difference is in-app purchases: KnowDay at none against Tuffy's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tuffy sells 3 in-app purchases, starting at $0.99 per 7 days. KnowDay asks for nothing beyond the download.

Tuffy ships an update every 3 weeks, KnowDay every 5 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Tuffy | KnowDay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 50 MB | 67 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anindyka Sekar Trisnasih](https://appshunter.io/developer/1847667692) | [Daniel Brouwer](https://appshunter.io/developer/1870224712) |

## What reviewers say

### Tuffy

[App page](https://appshunter.io/ios/app/tuffy/id6754286039)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tuffy Weekly | $0.99 | per 7 days |
| Monthly | $3.49 | per month |
| Yearly | $24.99 | per year |


### KnowDay

[App page](https://appshunter.io/ios/app/knowday/id6758007504)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tuffy free?

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

### Is KnowDay free?

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

### Do Tuffy or KnowDay have ads?

Neither Tuffy nor KnowDay shows ads.

### Which is updated more often, Tuffy or KnowDay?

Tuffy ships an update every 3 weeks, and KnowDay every 5 weeks. Most recently, Tuffy was updated on October 24, 2026 and KnowDay on October 17, 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.*