# NDX Shopping Agent vs Control Dopamine

The clearest difference is monetization model: NDX Shopping Agent at freemium against Control Dopamine's subscription. NDX Shopping Agent also leads on review sentiment (100% vs 82%). Control Dopamine's advantage is iOS requirement (17.0 vs 26.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. NDX Shopping Agent sells 2 in-app purchases, starting at $5.99 per month and Control Dopamine sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NDX Shopping Agent ships an update every 3 days, Control Dopamine every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | NDX Shopping Agent | Control Dopamine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/control-dopamine-screen-time/id6761228537/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | **Freemium** | Subscription |
| Size | 23 MB | 85 MB |
| Requires iOS | 26.4 | **17.0** |
| Devices | **iPhone, Vision Pro** | iPhone |
| Age rating | +12 | 4+ |
| Developer | [NDX Technologies](https://appshunter.io/developer/1780101333) | [GH SERVICOS DIGITAIS LTDA](https://appshunter.io/developer/1862958826) |

## What reviewers say

### NDX Shopping Agent

[App page](https://appshunter.io/ios/app/ndx-shopping-agent/id6738306589)

This AI-powered shopping assistant scans receipts, compares prices, and finds local deals. It helps track purchases, offers financial accounting, and detects discrepancies. Connect with friends for reviews and tips.

**Highlights:** AI financial accounting, Price map and history, Deal and promotion finder, Fraud detection and warnings, Shopping with friends, Barcode and QR scanner, Offline data and export

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $5.99 | per month |
| Advanced | $17.99 | per month |


### 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ControlDopamine Pro Weekly | $6.99 | per 7 days |
| ControlDopamine Pro Monthly | $14.99 | per month |
| Annual Welcome Offer | $14.99 | per year |
| ControlDopamine Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is NDX Shopping Agent free?

NDX Shopping Agent is free to download, with in-app purchases available.

### Is Control Dopamine free?

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

### Do NDX Shopping Agent or Control Dopamine have ads?

Neither NDX Shopping Agent nor Control Dopamine shows ads.

### Which is updated more often, NDX Shopping Agent or Control Dopamine?

NDX Shopping Agent ships an update every 3 days, and Control Dopamine every 2 days. Most recently, NDX Shopping Agent was updated on October 25, 2026 and Control Dopamine on October 25, 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.*