# Naim Catalog vs Keywave.

The clearest difference is review sentiment: Naim Catalog at 83% against Keywave.'s 33%. Naim Catalog also leads on rating (5.0 vs 2.8) and update cadence (every 3 weeks vs every 6 months). 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.

Naim Catalog holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 83% of Naim Catalog's written reviews are positive against 33% of Keywave.'s.

Naim Catalog ships an update every 3 weeks, Keywave. every 6 months. The most recent releases landed on October 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Naim Catalog | Keywave. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/naim-catalog/id1503735949/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/keywave/id6758056425/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **83.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 120 MB | 11 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gebrüder Naim](https://appshunter.io/developer/1503735948) | [William Kelley](https://appshunter.io/developer/1870645864) |

## What reviewers say

### Naim Catalog

[App page](https://appshunter.io/ios/app/naim-catalog/id1503735949)

This app serves as a comprehensive catalog for catalytic converters, allowing users to identify parts and check pricing. It offers filtering by brand, country, and continent, with options to save favorites and add items to a list or cart.

**Highlights:** Catalytic converter catalog, Part identification, Pricing information, Filter by brand, country, continent, Add to favorites, Add to list/cart

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

**In-app purchases:** none


### Keywave.

[App page](https://appshunter.io/ios/app/keywave/id6758056425)

Securely encrypt and decrypt messages directly on your device. Manage your PGP keys locally without any server interaction or data tracking. Offers robust key generation and import/export options with a clean interface.

**Highlights:** Encrypt and decrypt messages, Generate RSA keypairs, Manage unlimited keys, Import/export keys, Native SwiftUI interface, 100% local processing

**In-app purchases:** none


## Frequently asked questions

### Is Naim Catalog free?

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

### Is Keywave. free?

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

### Which has better reviews, Naim Catalog or Keywave.?

Naim Catalog is rated higher. Naim Catalog averages 5.0 out of 5 from 2 ratings, while Keywave. averages 2.8 from 4 ratings.

### Do Naim Catalog or Keywave. have ads?

Neither Naim Catalog nor Keywave. shows ads.

### Which is updated more often, Naim Catalog or Keywave.?

Naim Catalog ships an update every 3 weeks, and Keywave. every 6 months. Most recently, Naim Catalog was updated on October 9, 2026 and Keywave. on September 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.*