Radio & dB Calc vs Ham Logging
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Ham Logging
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Radio & dB Calc | Ham Logging |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Dioptase | Yousif AL Balushi |
In-app purchases
Radio & dB Calc
No in-app purchases
Ham Logging
No in-app purchases
Questions
Is Radio & dB Calc free?
Is Ham Logging free?
Do Radio & dB Calc or Ham Logging have ads?
Which is updated more often, Radio & dB Calc or Ham Logging?
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