Comparison

CQDX 59 vs LemurKey

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

Head to head
About

CQDX 59

This app simulates amateur radio QSOs, allowing users to practice CQ calls and exchange signal reports. It offers realistic variations in call signs, voice quality, and signal levels for an authentic experience. Users can customize their own call sign and select various communication modes.

Highlights
  • QSO simulation for amateur radio
  • Realistic call sign and voice variations
  • Customizable own station call sign
  • 59 style or AADX Contest Style QSO
  • Phonetic code conversion
  • Pile-up mode support
  • QRN selection
Features
Read full description

This App is a real QSO simulator for Amateur Radio(HAM). Reproduce “QSO for CQ call, and 59 report exchange". In addition, the call sign and the voice quality (tone, speech speed) signal level of the speaker differ for each QSO to provide realism. Furthermore, the call sign of your own station that issues CQ can be set arbitrarily. 【Characteristic】 1. 59 style QSO or AADX Contest Style QSO 2. All call signs are converted to phonetic codes 3.Pseudo signal meter 4.Status display showing TX / RX 5.Voice select function from YL / OM 6.Phonetic code select function 7.Support the Pile-up Mode 【Other features】 1. A function to select the number of QSOs to communicate.     You can choose from 5 or 20. 2. A function to select QRN.     ON / OFF can be selected. 3. A function to select the area of ​​the call sign of the partner station.     You can choose from JA USA or W / W. 4. Supports easy mode. The pitch and volume of the partner station are constant. 5. Function to clear score information You can delete the high score information that you have. Supported keyboard input from Apple Silicon Mac. [Support Key] A-Z, 0-9, / Enter:return ESC:esc BS:delete CQ:UpArrow AGN:DownArrow TU:[ LEFT:LeftArrow RIGHT:RightArrow

About

LemurKey

This app provides Morse code receiving practice for callsigns, sentences, and two-way contacts. It features adjustable settings, a Koch-style learning mode, and simulated interference for realistic training. Compete with friends on leaderboards and track your progress.

Highlights
  • Morse receiving practice
  • Adjustable WPM and spacing
  • Scripted two-way QSO mode
  • Live DX band conditions
  • Koch-style learning mode
  • Simulated interference options
Features
Read full description

LemurKey is Morse receiving practice built to practice real copy skills — callsigns, sentences, and two-way QSOs. Compete your friends with Strava-style leaderboards and go for the crown! COPY PRACTICE • Word, Callsign, and Sentence modes with slot-based copy • Adjustable WPM, character spacing, tone, and volume • Stars & Watts for clean copies; scrubber unlocks after you listen QSO MODE • Scripted two-way contacts: copy each transmission, then reply • Live accuracy feedback through the exchange LIVE DX • Band conditions and spots tailored to your grid square • Optional location for home grid (when-in-use only) TRAIN • Koch-style Learn mode to build speed character by character • Learn to send Q codes; practice sending by recall • Keys mode to hear any letter at your session settings CHAOS MODE • Optional QRM, QRN, and QSB while copying • Higher watt multipliers when the band gets noisy ACCOUNT (OPTIONAL) • Sign in to sync progress, compete on leaderboards, and back up stats • Delete your account anytime from Account Works offline for practice once installed. Audio runs locally on your device. Privacy policy: https://lemurkey.app/privacy.html Support: support@lemurkey.app

Screenshots

CQDX 594 screens
LemurKey4 screens

Verdict

The call

The clearest difference is ads: LemurKey at none against CQDX 59's shown. LemurKey also leads on monetization model (free vs ad-supported). CQDX 59's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CQDX 59 against 5.0 for LemurKey. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard3 real differences · 7 level
CQDX 59 versus LemurKey: the parameters behind the verdict, then further details
ParameterCQDX 59LemurKey
PriceFreeFree
Rating5.0 (3 ratings)5.0 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings36 — better
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size10 MB8 MB
Age rating4+4+
Developerkoji kamogawaSteve Metcalf

Customer experience

CQDX 59

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

LemurKey

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CQDX 59

No in-app purchases

None

LemurKey

No in-app purchases

Questions

Is CQDX 59 free?
CQDX 59 is free to download, with no in-app purchases.
Is LemurKey free?
LemurKey is free to download, with no in-app purchases.
Which has better reviews, CQDX 59 or LemurKey?
CQDX 59 and LemurKey are both rated 5.0 out of 5 on the App Store, from 3 and 6 ratings respectively.
Do CQDX 59 or LemurKey have ads?
CQDX 59 shows ads; LemurKey does not.

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