# e.Cop vs Duudlaga Flow

The clearest difference is in-app purchases: e.Cop at none against Duudlaga Flow's 1. e.Cop also leads on iOS requirement (13.0 vs 17.0). Duudlaga Flow's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Duudlaga Flow sells 1 in-app purchase, starting at $9.99 per month. e.Cop asks for nothing beyond the download.

e.Cop ships an update every 3 weeks, Duudlaga Flow weekly. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | e.Cop | Duudlaga Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 20 MB | 36 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ganpurev Dorjpalam](https://appshunter.io/developer/1849297568) | [Tsagaanbayar Mendbayar](https://appshunter.io/developer/1781187399) |

## What reviewers say

### e.Cop

[App page](https://appshunter.io/ios/app/ecop/id6754619774)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duudlaga Flow

[App page](https://appshunter.io/ios/app/duudlaga-flow/id6761625672)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per month |


## Frequently asked questions

### Is e.Cop free?

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

### Is Duudlaga Flow free?

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

### Do e.Cop or Duudlaga Flow have ads?

Neither e.Cop nor Duudlaga Flow shows ads.

### Which is updated more often, e.Cop or Duudlaga Flow?

e.Cop ships an update every 3 weeks, and Duudlaga Flow weekly. Most recently, e.Cop was updated on October 8, 2026 and Duudlaga Flow on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*