# KnifeApp vs Katana

The clearest difference is review sentiment: Katana at 100% against KnifeApp's 47%. Katana also leads on rating (5.0 vs 4.3) and update cadence (every 2 days vs fortnightly). On price, ratings volume, 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.

Katana holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 47% of KnifeApp's written reviews are positive against 100% of Katana's.

KnifeApp ships an update fortnightly, Katana every 2 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KnifeApp | Katana |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/knifeapp/id6737324396/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/katana-knife-collection/id6794938474/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 46.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 37 MB | 19 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ilya Lukovnikov](https://appshunter.io/developer/1809740370) | [ADAM DAVID LOWENSTEIN](https://appshunter.io/developer/6794938476) |

## What reviewers say

### KnifeApp

[App page](https://appshunter.io/ios/app/knifeapp/id6737324396)

Connect with fellow knife enthusiasts and digitally catalog your collection. Showcase your blades with detailed item cards and AI-enhanced photos in a dedicated community space.

**Highlights:** Digital knife catalog, AI background removal for photos, Collector community network, Shareable profiles and items, Detailed item cards

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

**In-app purchases:** none


### Katana

[App page](https://appshunter.io/ios/app/katana-knife-collection/id6794938474)

Organize your knife collection, record details, and explore the craft behind Japanese and kitchen knives. Discover makers, steels, and regions with research tools. Connect with other enthusiasts and share your passion.

**Highlights:** Organize knife collection, Record maker, steel, dimensions, Explore Japanese knife research, Add knives manually or import, Connect with other enthusiasts, Optional social sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is KnifeApp free?

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

### Is Katana free?

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

### Which has better reviews, KnifeApp or Katana?

Katana is rated higher. KnifeApp averages 4.3 out of 5 from 4 ratings, while Katana averages 5.0 from 3 ratings.

### Do KnifeApp or Katana have ads?

Neither KnifeApp nor Katana shows ads.

### Which is updated more often, KnifeApp or Katana?

KnifeApp ships an update fortnightly, and Katana every 2 days. Most recently, KnifeApp was updated on October 30, 2026 and Katana on November 6, 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.*