Ham2K Portable Logger vs E3 ES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ham2K Portable Logger
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.
- 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
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The best app to log your QSOs on the go. Support for Parks On The Air (POTA), Summits On The Air (SOTA), Field Day, Winter Field Day, Worldwide Flora and Fauna (WWFF) and more. Fast and efficient yet fully-featured: QRZ.com name lookups, QSO Maps, offline data files, contact rates, duplicate warnings, POTA spots, search parks nearby or by name, etc. See https://www.ham2k.com/legal/terms-of-service/
E3 ES
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.
- Track HVAC system information
- Monitor building infrastructure
- Support for high-efficiency systems
- Designed for building upgrades
- Data tracking for professionals
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E3’s team designs and upgrades buildings with high-efficiency – HVAC Systems, LED Lighting, Building Automation Systems, and other infrastructure. This app allows to track information about HVACs and other infrastructure systems.
Screenshots
Verdict
The clearest difference is in-app purchases: E3 ES at none against Ham2K Portable Logger's 8. E3 ES also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 86%). Ham2K Portable Logger's advantage is ratings volume (61 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
E3 ES holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ham2K Portable Logger has 61 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of Ham2K Portable Logger's written reviews are positive against 100% of E3 ES's.
Ham2K Portable Logger ships an update monthly, E3 ES every 3 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | Ham2K Portable Logger | E3 ES |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (61 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 86.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 61 — better | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 110 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebastian Delmont | Webtrack S.A. |
Customer experience
Ham2K Portable Logger
E3 ES
In-app purchases
Ham2K Portable Logger
- Ham2K Log Filer - Monthly$2.991 Month
- Ham2K Log Filer - Annual$24.991 Year
- Show a bit of support…2 variants$4.99
- Show your support!$12.99
- Show your support!$14.99
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- Show a lot of support!!!2 variants$29.99
E3 ES
No in-app purchases
Questions
Is Ham2K Portable Logger free?
Is E3 ES free?
Which has better reviews, Ham2K Portable Logger or E3 ES?
Do Ham2K Portable Logger or E3 ES have ads?
Which is updated more often, Ham2K Portable Logger or E3 ES?
Other comparisons
