# Control Dopamine vs PDF Scanner

The clearest difference is in-app purchases: Control Dopamine at none against PDF Scanner's 2. Control Dopamine also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $3.99 per 7 days. Control Dopamine asks for nothing beyond the download.

Control Dopamine ships an update every 3 days, PDF Scanner every 2 months. The most recent releases landed on September 30, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Control Dopamine | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/control-dopamine-screen-time/id6761228537/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Subscription | — |
| Size | 85 MB | 17 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [GH SERVICOS DIGITAIS LTDA](https://appshunter.io/developer/1862958826) | [Isinsu Arici Tan](https://appshunter.io/developer/1831044149) |

## What reviewers say

### Control Dopamine

[App page](https://appshunter.io/ios/app/control-dopamine-screen-time/id6761228537)

This app helps you build healthier screen time habits by gamifying your digital life. Earn credits through real-world activities to unlock distracting apps, with a virtual mascot to visualize your progress.

**Highlights:** Smart App Blocking, Brain Credits System, Yelo Mascot for Motivation, 28-Day Focus Reset Challenge, Streak Tracking, Weekly Progress Reports

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-ocr-scanner/id6761268466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is Control Dopamine free?

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

### Is PDF Scanner free?

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

### Do Control Dopamine or PDF Scanner have ads?

PDF Scanner shows ads; Control Dopamine does not.

### Which is updated more often, Control Dopamine or PDF Scanner?

Control Dopamine ships an update every 3 days, and PDF Scanner every 2 months. Most recently, Control Dopamine was updated on September 30, 2026 and PDF Scanner on September 14, 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.*