# OEC Explorer vs DSEU

The clearest difference is update cadence: DSEU at every 3 days against OEC Explorer's every 2 months. 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.

OEC Explorer ships an update every 2 months, DSEU every 3 days. Both last shipped on September 30, 2026.

## The numbers

| Metric | OEC Explorer | DSEU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 198 MB | 59 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广东柏高保设备工程有限公司](https://appshunter.io/developer/1485674389) | [MACMILLAN EDUCATION INDIA PRIVATE LIMITED](https://appshunter.io/developer/1015888894) |

## What reviewers say

### OEC Explorer

[App page](https://appshunter.io/ios/app/oec-explorer/id1485674390)

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

**In-app purchases:** none


### DSEU

[App page](https://appshunter.io/ios/app/dseu/id1644334850)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OEC Explorer free?

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

### Is DSEU free?

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

### Do OEC Explorer or DSEU have ads?

Neither OEC Explorer nor DSEU shows ads.

### Which is updated more often, OEC Explorer or DSEU?

OEC Explorer ships an update every 2 months, and DSEU every 3 days. Most recently, OEC Explorer was updated on September 30, 2026 and DSEU on September 30, 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.*