# More Problems vs QSO Central

The clearest difference is in-app purchases: More Problems at none against QSO Central's 2. QSO Central's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. QSO Central sells 2 in-app purchases, starting at $2.99 per month. More Problems asks for nothing beyond the download.

## The numbers

| Metric | More Problems | QSO Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qso-central/id6782027339/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Monetization | — | Freemium |
| Size | 8 MB | 13 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael DeRita](https://appshunter.io/developer/1879717518) | [Brickhouse Technologies LLC](https://appshunter.io/developer/6781303558) |

## What reviewers say

### More Problems

[App page](https://appshunter.io/ios/app/more-problems/id6759592258)

**Features:** macOS Compatibility

**In-app purchases:** none


### QSO Central

[App page](https://appshunter.io/ios/app/qso-central/id6782027339)

Prepare for amateur radio licensing exams with comprehensive study tools, including flashcards and practice tests. Access offline station utilities for band plans, antenna calculations, and Morse code training. Optional features provide live data for satellite tracking and callsign lookups.

**Highlights:** Offline license exam preparation, Satellite tracking and pass prediction, U.S. Band Plan and privilege display, Antenna and electrical calculators, Morse code trainer, Offline logbook with ADIF/CSV export, FCC rules and plain-language summaries

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DX+ Log Upload Monthly | $2.99 | per month |
| DX+ Log Upload Monthly | $19.99 | per year |


## Frequently asked questions

### Is More Problems free?

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

### Is QSO Central free?

QSO Central is free to download, with in-app purchases available.

### Do More Problems or QSO Central have ads?

More Problems shows ads; QSO Central does not.

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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.*