Naim Catalog vs Keywave.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Naim Catalog
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.
- Catalytic converter catalog
- Part identification
- Pricing information
- Filter by brand, country, continent
- Add to favorites
- Add to list/cart
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Catalytic Converter Catalog Application by Gebrüder Naim for pricing and identifying parts. Available in multiple currencies. Sort by filters (Brand, Country, Continent), add to favorites or add to a list/cart.
Keywave.
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.
- Encrypt and decrypt messages
- Generate RSA keypairs
- Manage unlimited keys
- Import/export keys
- Native SwiftUI interface
- 100% local processing
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PGP encryption for people who value their privacy. Everything runs on your device. No servers, no tracking, no compromises. Keywave is a native iOS app for PGP encryption and decryption. Encrypt messages before sending them. Decrypt messages you receive. Manage your keys. That's it. Everything runs locally using Protonmail's open-source gopenpgp library. Your keys never leave your phone. Features: • Encrypt & decrypt messages with a tap • Generate 2048, 3072, or 4096-bit RSA keypairs • Store unlimited keys with search and filtering • Import from files, clipboard, or share extension • Export as ASCII Armored or Binary • Native SwiftUI interface with dark mode Why Keywave: • 100% local — no servers, no cloud, no network requests • Zero data collection — no analytics, no tracking • Built on Protonmail's battle-tested gopenpgp library • Keys stored securely in iOS Keychain • Compatible with GPG and other PGP tools Free. No ads. Works offline. Requires iOS 17.5+. New features coming in the next version: This will include a keyboard extension, and also adding support for encrypting and decrypting files. potentially could an encrypted file vault.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Naim Catalog | Keywave. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 2.8 (4 ratings) |
| Positive reviews | 83.3% of reviews — better | 33.3% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 120 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Gebrüder Naim | William Kelley |
Customer experience
Naim Catalog
Keywave.
In-app purchases
Naim Catalog
No in-app purchases
Keywave.
No in-app purchases
