# SECH vs Katana

The clearest difference is update cadence: Katana at every 2 days against SECH's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

SECH ships an update fortnightly, Katana every 2 days. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SECH | Katana |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/katana-knife-collection/id6794938474/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free |
| Size | 9 MB | 19 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SECH TECHNOLOGY LLC](https://appshunter.io/developer/1808966646) | [ADAM DAVID LOWENSTEIN](https://appshunter.io/developer/6794938476) |

## What reviewers say

### SECH

[App page](https://appshunter.io/ios/app/sech/id6744701643)

**Features:** macOS Compatibility

**In-app purchases:** none


### Katana

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

Organize your knife collection, explore the history and craft behind Japanese and kitchen knives, and connect with other enthusiasts. Record details, add photos, and research makers and regions. Share your passion and discover new knives.

**Highlights:** Organize knife collection with details, Explore Japanese knife makers and regions, Add photos and personal notes, Import knives via retailer pages or spreadsheets, Connect with other knife enthusiasts, Optional social sharing features

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

**In-app purchases:** none


## Frequently asked questions

### Is SECH free?

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

### Is Katana free?

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

### Do SECH or Katana have ads?

Neither SECH nor Katana shows ads.

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

SECH ships an update fortnightly, and Katana every 2 days. Most recently, SECH was updated on October 4, 2026 and Katana on October 24, 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.*