# Q Codes Reference vs OP.TCG

The clearest difference is review sentiment: OP.TCG at 82% against Q Codes Reference's 33%. OP.TCG also leads on price (Free vs $0.99) and rating (4.6 vs 2.3). Q Codes Reference's advantage is in-app purchases (none vs 3). On ads there is nothing between them.

OP.TCG is free to download; Q Codes Reference costs $0.99 up front. OP.TCG sells 3 in-app purchases, starting at $4.99 per month. Q Codes Reference asks for nothing beyond the download.

OP.TCG holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: OP.TCG has 160 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 33% of Q Codes Reference's written reviews are positive against 82% of OP.TCG's.

Q Codes Reference ships an update every 17 months, OP.TCG every 3 weeks. The most recent releases landed on November 10, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Q Codes Reference | OP.TCG |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.3 (10 ratings)](https://appshunter.io/ios/app/q-codes-reference/id422030433/reviews) | **[4.6 (160 ratings)](https://appshunter.io/ios/app/optcg/id6584513689/reviews)** |
| Number of ratings | 10 | **160** |
| Positive reviews | 33.3% of reviews | **81.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 2 MB | 103 MB |
| Requires iOS | 17.0 | **15.3** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stuart Woolley](https://appshunter.io/developer/315697638) | [Mikhael Lopez](https://appshunter.io/developer/1759780736) |

## What reviewers say

### Q Codes Reference

[App page](https://appshunter.io/ios/app/q-codes-reference/id422030433)

This app helps amateur radio operators learn and recall Q codes, prosigns, and operating abbreviations. It offers a unique search function based on what you need to say, and a trainer with spaced repetition to build proficiency. It also includes band allocations and a Morse code sender.

**Highlights:** Search by intent, not code, Spaced repetition trainer, Multiple training modes, Full contact simulation, Signal report builder, Band allocations, Customizable Morse sender

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

**In-app purchases:** none


### OP.TCG

[App page](https://appshunter.io/ios/app/optcg/id6584513689)

Manage your trading card game collection and build decks with detailed tracking of card versions, prices, and condition. Explore meta decks and analyze your collection's value and progress with smart search and cloud sync.

**Highlights:** Collection tracking, Deck building, Market price integration, Meta deck explorer, Collection value analysis, Cloud sync, Card scanning

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly contribution | $4.99 | per month |
| Annually contribution | $39.99 | per year |
| Lifetime contribution | $99.99 | one-time |


## Frequently asked questions

### Is Q Codes Reference free?

Q Codes Reference costs $0.99, with no in-app purchases.

### Is OP.TCG free?

OP.TCG is free to download, with in-app purchases available.

### Which has better reviews, Q Codes Reference or OP.TCG?

OP.TCG is rated higher. Q Codes Reference averages 2.3 out of 5 from 10 ratings, while OP.TCG averages 4.6 from 160 ratings.

### Do Q Codes Reference or OP.TCG have ads?

Neither Q Codes Reference nor OP.TCG shows ads.

### Which is updated more often, Q Codes Reference or OP.TCG?

Q Codes Reference ships an update every 17 months, and OP.TCG every 3 weeks. Most recently, Q Codes Reference was updated on November 10, 2026 and OP.TCG on November 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*