Comparison

Radio & dB Calc vs Ham Logging

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

Head to head
About

Radio & dB Calc

This utility app assists radio engineers with common calculations. It allows for adding and subtracting dB values and converting various radio engineering metrics like noise factor and return loss.

Highlights
  • Add/subtract dB values
  • Convert Noise Factor
  • Convert Equivalent Input Noise Temperature
  • Convert Spectral Power Noise Density
  • Convert Return Loss
  • Convert Reflection Coefficient
  • Convert VSWR
  • Compute maximum mismatch loss
Features
Read full description

Some tools often needed in radio engineering : - add and subtract values in dB unit - convert Noise Factor, Equivalent Input Noise Temperature, Spectral Power Noise Density - convert Return Loss, Reflection Coefficient, VSWR - compute maximum mismatch loss

About

Ham Logging

Read full description

Ham Logging is a QSO logbook for amateur radio operators: one log on your phone that stays in step with the services you use — LoTW, eQSL, Club Log, QRZ.com Logbook, HRDLog.net / Ham365, HamQTH, CloudLog, Wavelog, QRZCQ, cqGMA and DxQSO. KEY FEATURES • 15 logging services: 11 take your contacts straight from the app, and POTA, SOTA, WWFF and ARRL Contest get a ready-made file • LoTW from your phone: your contacts signed with your own callsign certificate, exactly as TQSL signs them • Auto Sync, if you turn it on: new contacts and edits go to your services a few minutes after you log them • Every contact looked up by itself — QRZ.com, then HamQTH for what QRZ leaves empty — after you log, import or download it: names, grids and zones filled in • Full ADIF 3.1.8 import and export, and CSV and JSON backups of every field • Rover Mode: large-target, voice-dictated callsign entry for mobile operating • Rig control (Experimental): the log follows your radio's frequency and mode, over the network or Bluetooth • POTA, SOTA, WWFF, GMA and contest fields; spot yourself to POTA, WWFF, GMA and a DX cluster • QSL card export: a themed card with your comment, ready to share • Monthly and yearly statistics with shareable images PROPAGATION AND MAP • World map with great-circle lines to every worked station, and worked grids as squares • Gray line with an aurora layer (NOAA OVATION), 24-hour MUF prediction and band openings • PSK Reporter and WSPR paths, live solar data and band-by-band DX potential • One Spots tab — DX cluster, POTA and contests — and a live APRS layer PRIVACY FIRST • No accounts, no ads, no analytics, no tracking • Your log stays on your phone and goes only to the services you set up — when you tap Sync, or by itself with Auto Sync • Microphone: only for Rover Mode dictation, handled by the system's speech engine, never recorded or sent • Local network: only to reach your own Wavelog or CloudLog server, or your radio through rigctld • Bluetooth: only to talk to your radio DARK MODE AND ACCESSIBILITY • Theme-aware throughout, a font-scale slider, and Tips & Tricks you can switch off Built by Yousuf AL Balushi (A41UX) — Unixeer — for the amateur radio community.

Screenshots

Radio & dB Calc3 screens
Ham Logging4 screens

Verdict

The call

The clearest difference is update cadence: Ham Logging at every 4 days against Radio & dB Calc's every 5 months. Radio & dB Calc's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Radio & dB Calc ships an update every 5 months, Ham Logging every 4 days. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Radio & dB Calc versus Ham Logging: the parameters behind the verdict, then further details
ParameterRadio & dB CalcHam Logging
PriceFreeFree
Rating2.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size1 MB33 MB
Age rating4+4+
DeveloperDioptaseYousif AL Balushi

In-app purchases

None

Radio & dB Calc

No in-app purchases

None

Ham Logging

No in-app purchases

Questions

Is Radio & dB Calc free?
Radio & dB Calc is free to download, with no in-app purchases.
Is Ham Logging free?
Ham Logging is free to download, with no in-app purchases.
Do Radio & dB Calc or Ham Logging have ads?
Neither Radio & dB Calc nor Ham Logging shows ads.
Which is updated more often, Radio & dB Calc or Ham Logging?
Radio & dB Calc ships an update every 5 months, and Ham Logging every 4 days. Most recently, Radio & dB Calc was updated on October 13, 2026 and Ham Logging on October 28, 2026.

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