# Esmart 2.0 vs DUC Sampling 2

The clearest difference is update cadence: Esmart 2.0 at monthly against DUC Sampling 2's every 45 months. Esmart 2.0 also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Esmart 2.0 ships an update monthly, DUC Sampling 2 every 45 months. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Esmart 2.0 | DUC Sampling 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 45 months |
| Size | 78 MB | 20 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [do thong](https://appshunter.io/developer/896043624) | [Duyen Nguyen Thi My](https://appshunter.io/developer/1504184285) |

## What reviewers say

### Esmart 2.0

[App page](https://appshunter.io/ios/app/esmart-20/id1225129165)

**Features:** macOS Compatibility

**In-app purchases:** none


### DUC Sampling 2

[App page](https://appshunter.io/ios/app/duc-sampling-2/id1518756669)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Esmart 2.0 free?

Esmart 2.0 is free to download, with no in-app purchases.

### Is DUC Sampling 2 free?

DUC Sampling 2 is free to download, with no in-app purchases.

### Do Esmart 2.0 or DUC Sampling 2 have ads?

Neither Esmart 2.0 nor DUC Sampling 2 shows ads.

### Which is updated more often, Esmart 2.0 or DUC Sampling 2?

Esmart 2.0 ships an update monthly, and DUC Sampling 2 every 45 months. Most recently, Esmart 2.0 was updated on October 3, 2026 and DUC Sampling 2 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.*