# My E3/DC vs OT Checker

The clearest difference is in-app purchases: My E3/DC at none against OT Checker's 1. OT Checker's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OT Checker sells 1 one-off in-app purchase. My E3/DC asks for nothing beyond the download.

My E3/DC ships an update every 2 months, OT Checker every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | My E3/DC | OT Checker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 27 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HagerEnergy GmbH](https://appshunter.io/developer/437484845) | [Dominik Gausmann](https://appshunter.io/developer/1870320985) |

## What reviewers say

### My E3/DC

[App page](https://appshunter.io/ios/app/my-e3dc/id6463873702)

**In-app purchases:** none


### OT Checker

[App page](https://appshunter.io/ios/app/ot-checker-network-check/id6810327165)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OT Port Checker Premium | $3.99 | one-time |


## Frequently asked questions

### Is My E3/DC free?

My E3/DC is free to download, with no in-app purchases.

### Is OT Checker free?

OT Checker is free to download, with in-app purchases available.

### Do My E3/DC or OT Checker have ads?

Neither My E3/DC nor OT Checker shows ads.

### Which is updated more often, My E3/DC or OT Checker?

My E3/DC ships an update every 2 months, and OT Checker every 4 days. Most recently, My E3/DC was updated on November 3, 2026 and OT Checker on October 31, 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.*