# Naim Catalog vs Keywave

The clearest difference is review sentiment: Naim Catalog at 83% against Keywave's 33%. Naim Catalog also leads on update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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 ships an update every 3 weeks, Keywave every 4 months. The most recent releases landed on November 3, 2026 and November 5, 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)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **83.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 120 MB | 13 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-pgp-encryption/id6758056425)

This app provides robust PGP encryption and decryption capabilities directly on your device. It allows you to generate, manage, import, and export PGP keys locally, ensuring your data remains private and secure without server reliance.

**Highlights:** Encrypt and decrypt messages, Generate PGP keys (2048-4096 bit), Manage unlimited local keys, Import keys from files or clipboard, Export keys in various formats, 100% local processing, Zero data collection

**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.

### 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 4 months. Most recently, Naim Catalog was updated on November 3, 2026 and Keywave on November 5, 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.*