Comparison

Ham2K Portable Logger vs E3 ES

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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/

About

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.

Highlights
  • Track HVAC system information
  • Monitor building infrastructure
  • Support for high-efficiency systems
  • Designed for building upgrades
  • Data tracking for professionals
Features
Read full description

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

Ham2K Portable Logger4 screens
E3 ES4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Ham2K Portable Logger versus E3 ES: the parameters behind the verdict, then further details
ParameterHam2K Portable LoggerE3 ES
PriceFreeFree
Rating4.7 (49 ratings) — better—
Positive reviews86.5% of reviews100.0% of reviews — better
Number of ratings49 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size118 MB53 MB
Age rating4+4+
DeveloperSebastian DelmontWebtrack Sociedad Anonima

Customer experience

Ham2K Portable Logger

All ratings41 ratings
Positive92.7%
Neutral2.4%
Negative4.9%
Written reviews37 reviews
Positive86.5%
Neutral5.4%
Negative8.1%

E3 ES

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Ham2K Portable Logger

Subscriptions2
  • Ham2K Log Filer - Monthly$2.991 Month
  • Ham2K Log Filer - Annual$24.991 Year
One-time4
  • Show a bit of support…2 variants$4.99
  • Show your support!$12.99
  • Show your support!$14.99
Show 1 more
  • Show a lot of support!!!2 variants$29.99
None

E3 ES

No in-app purchases

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.

Other comparisons