# Ham2K Portable Logger vs E3 ES

The clearest difference is in-app purchases: E3 ES at none against Ham2K Portable Logger's 8. E3 ES also leads on ads (none vs shown) and review sentiment (100% vs 86%). Ham2K Portable Logger's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Ham2K Portable Logger sells 6 in-app purchases, starting at $2.99 per month. E3 ES asks for nothing beyond the download.

Ham2K Portable Logger ships an update monthly, E3 ES every 3 weeks. The most recent releases landed on September 4, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Ham2K Portable Logger | E3 ES |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (49 ratings)](https://appshunter.io/ios/app/ham2k-portable-logger/id6478713938/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 86.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 118 MB | 53 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Delmont](https://appshunter.io/developer/1722132623) | [Webtrack Sociedad Anonima](https://appshunter.io/developer/947248143) |

## What reviewers say

### Ham2K Portable Logger

[App page](https://appshunter.io/ios/app/ham2k-portable-logger/id6478713938)

Log your amateur radio contacts (QSOs) efficiently while on the go. Supports popular operating events like POTA, SOTA, and Field Day, offering features like QRZ lookups, QSO maps, and offline data. Quickly find nearby parks and receive duplicate warnings.

**Highlights:** Log QSOs on the go, Support for POTA, SOTA, Field Day, QRZ.com name lookups, QSO Maps, Offline data files, Duplicate QSO warnings, Search nearby parks

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ham2K Log Filer - Monthly | $2.99 | per month |
| Ham2K Log Filer - Annual | $24.99 | per year |
| Show a bit of support… | $4.99 | one-time |
| Show your support! | $12.99 | one-time |
| Show your support! | $14.99 | one-time |
| Show a lot of support!!! | $29.99 | one-time |


### E3 ES

[App page](https://appshunter.io/ios/app/e3-es/id6596773560)

This application helps track information related to HVAC systems and other building infrastructure. It is designed for professionals involved in designing and upgrading buildings with high-efficiency systems.

**Highlights:** Track HVAC system information, Monitor building infrastructure, Support for high-efficiency systems, Designed for building upgrades, Data tracking for professionals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ham2K Portable Logger free?

Ham2K Portable Logger is free to download, with in-app purchases available.

### Is E3 ES free?

E3 ES is free to download, with no in-app purchases.

### Do Ham2K Portable Logger or E3 ES have ads?

Ham2K Portable Logger shows ads; E3 ES does not.

### Which is updated more often, Ham2K Portable Logger or E3 ES?

Ham2K Portable Logger ships an update monthly, and E3 ES every 3 weeks. Most recently, Ham2K Portable Logger was updated on September 4, 2026 and E3 ES on June 1, 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.*