# Q Codes vs Interfit Service

The clearest difference is ads: Interfit Service at none against Q Codes's shown. Interfit Service also leads on update cadence (every 6 weeks vs every 8 months) and iOS requirement (12.2 vs 16.6). On price, 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.

Q Codes ships an update every 8 months, Interfit Service every 6 weeks. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Q Codes | Interfit Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/q-codes/id1195337244/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 181 MB |
| Requires iOS | 16.6 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jonathan Gibbs](https://appshunter.io/developer/1111944472) | [Yokohama TWS](https://appshunter.io/developer/1725970725) |

## What reviewers say

### Q Codes

[App page](https://appshunter.io/ios/app/q-codes/id1195337244)

Access a comprehensive collection of standardized radiotelegraph communication codes, primarily for amateur radio use. This utility allows for rapid searching and lookup of any Q Code.

**Highlights:** Standardized Q Code collection, Radiotelegraph communication codes, Amateur radio focus, Quick lookup functionality, Comprehensive code database

**In-app purchases:** none


### Interfit Service

[App page](https://appshunter.io/ios/app/interfit-service/id6553987024)

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

**In-app purchases:** none


## Frequently asked questions

### Is Q Codes free?

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

### Is Interfit Service free?

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

### Do Q Codes or Interfit Service have ads?

Q Codes shows ads; Interfit Service does not.

### Which is updated more often, Q Codes or Interfit Service?

Q Codes ships an update every 8 months, and Interfit Service every 6 weeks. Most recently, Q Codes was updated on October 17, 2026 and Interfit Service on October 2, 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.*