# QTNA vs DopamineOS

The clearest difference is in-app purchases: QTNA at none against DopamineOS's 1. QTNA also leads on update cadence (daily vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. DopamineOS sells 1 one-off in-app purchase. QTNA asks for nothing beyond the download.

QTNA ships an update daily, DopamineOS every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QTNA | DopamineOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 3 MB | 56 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Goodynuff Media LLC](https://appshunter.io/developer/1886584402) | [Konrad Kern](https://appshunter.io/developer/6775921733) |

## What reviewers say

### QTNA

[App page](https://appshunter.io/ios/app/qtna-question-game/id6760870821)

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

**In-app purchases:** none


### DopamineOS

[App page](https://appshunter.io/ios/app/dopamineos/id6782207382)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DopamineOS Pro | $1.99 | one-time |


## Frequently asked questions

### Is QTNA free?

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

### Is DopamineOS free?

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

### Do QTNA or DopamineOS have ads?

Neither QTNA nor DopamineOS shows ads.

### Which is updated more often, QTNA or DopamineOS?

QTNA ships an update daily, and DopamineOS every 2 months. Most recently, QTNA was updated on October 25, 2026 and DopamineOS on October 31, 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.*