IZ2UUF Morse Koch CW

Installs

127k

Rating

4.8

Rating count

< 1k

Category	Communication
Developer	D.A. FOCUS
Price	Free
First release	6/21/2012 (13 years ago)
Version	2.0.36538
In-app purchases	No
Contains ads	No
Content rating	USK: All ages
Package name	net.iz2uuf.cwkoch

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
10/3/2025	974	4.757	127,048	2.0.36538
10/2/2025	974	4.757	127,035	2.0.36538
9/8/2025	972	4.757	126,560	2.0.36538
9/7/2025	972	4.757	126,540	2.0.36538
9/6/2025	971	4.757	126,524	2.0.36538
9/5/2025	971	4.757	126,512	2.0.36538
9/4/2025	971	4.757	126,485	2.0.36538
9/3/2025	971	4.600	126,485	2.0.36538
9/2/2025	971	4.600	126,465	2.0.36538
9/1/2025	971	4.600	126,455	2.0.36538
8/31/2025	971	4.600	126,438	2.0.36538
8/30/2025	971	4.600	126,415	2.0.36538
8/29/2025	971	4.600	126,374	2.0.36538
8/28/2025	971	4.600	126,365	2.0.36538
8/27/2025	971	4.600	126,342	2.0.36538
8/26/2025	971	4.600	126,342	2.0.36538
8/25/2025	971	4.600	126,315	2.0.36538
8/24/2025	971	4.600	126,295	2.0.36538
8/23/2025	971	4.600	126,282	2.0.36538
8/22/2025	970	4.600	126,256	2.0.36538
8/17/2025	968	4.714	126,138	2.0.36538
8/16/2025	968	4.714	126,100	2.0.36538
8/15/2025	968	4.714	126,081	2.0.36538
8/14/2025	968	4.714	126,062	2.0.36538
8/13/2025	968	4.714	126,062	2.0.36538
8/12/2025	968	4.714	126,044	2.0.36538
8/11/2025	969	4.714	126,002	2.0.36538
8/10/2025	969	4.714	126,002	2.0.36538
8/9/2025	969	4.455	125,957	2.0.36538
8/8/2025	969	4.710	125,957	2.0.36538
8/7/2025	969	4.710	125,945	2.0.36538
8/6/2025	968	4.710	125,897	2.0.36538
8/5/2025	967	4.710	125,897	2.0.36538
8/4/2025	968	4.710	125,869	2.0.36538
8/3/2025	968	4.710	125,854	2.0.36538
8/2/2025	968	4.710	125,833	2.0.36538
8/1/2025	968	4.710	125,785	2.0.36538
7/31/2025	967	4.710	125,760	2.0.36538
7/30/2025	967	4.710	125,760	2.0.36538
7/29/2025	966	4.710	125,721	2.0.36538
7/28/2025	966	4.710	125,706	2.0.36538
7/27/2025	966	4.710	125,694	2.0.36538
7/26/2025	966	4.710	125,679	2.0.36538
7/25/2025	966	4.710	125,662	2.0.36538
7/24/2025	966	4.710	125,643	2.0.36538
7/23/2025	966	4.710	125,630	2.0.36538
7/22/2025	966	4.714	125,603	2.0.36538
7/21/2025	966	4.714	125,603	2.0.36538
7/20/2025	966	4.714	125,585	2.0.36538
7/19/2025	966	4.714	125,555	2.0.36538
7/18/2025	965	4.758	125,544	2.0.36538
7/16/2025	965	4.784	125,507	2.0.36538
7/15/2025	965	4.784	125,489	2.0.36538
7/14/2025	965	4.784	125,471	2.0.36538
7/13/2025	964	4.737	125,455	2.0.36538
7/12/2025	964	4.737	125,436	2.0.36538
7/11/2025	964	4.710	125,436	2.0.36538
7/10/2025	963	4.710	125,423	2.0.36538
7/9/2025	963	4.710	125,411	2.0.36538
7/8/2025	963	4.710	125,393	2.0.36538
7/7/2025	963	4.710	125,361	2.0.36538
7/6/2025	963	4.710	125,361	2.0.36538
7/2/2025	961	4.719	125,290	2.0.36538
7/1/2025	961	4.719	125,255	2.0.36538
6/30/2025	961	4.719	125,255	2.0.36538
6/29/2025	961	4.719	125,239	2.0.36538
6/28/2025	961	4.719	125,217	2.0.36538
6/27/2025	961	4.719	125,202	2.0.36538
6/26/2025	961	4.730	125,176	2.0.36538
6/25/2025	961	4.730	125,162	2.0.36538
6/24/2025	961	4.730	125,142	2.0.36538
6/23/2025	961	3.200	125,131	2.0.36538
6/22/2025	961	3.200	125,118	2.0.36538
6/21/2025	961	3.200	125,100	2.0.36538
6/20/2025	961	3.200	125,081	2.0.36538
6/15/2025	960	3.200	124,993	2.0.36538
6/14/2025	960	3.200	124,974	2.0.36538
6/13/2025	960	3.200	124,957	2.0.36538
6/9/2025	960	3.200	124,945	2.0.36538
6/8/2025	960	3.200	124,897	2.0.36538
5/29/2025	960	3.200	124,876	N/A
5/28/2025	960	3.846	124,720	N/A
5/27/2025	959	3.846	124,708	N/A
5/24/2025	959	3.846	124,659	N/A
5/22/2025	958	3.846	124,628	N/A
4/28/2025	954	4.300	124,130	N/A
4/24/2025	954	3.846	124,109	N/A
4/22/2025	954	4.725	123,910	N/A
4/10/2025	953	4.794	123,791	N/A
4/6/2025	952	4.797	123,755	N/A

Details

- learn morse code reception on the go (train, commuting, car, walking, etc)
- supports Koch method with G4FON, LCWO or custom character sets
- supports the Farnsworth spacing (high speed characters with longer space between them)
- the hard-letters settings allow increasing the frequency of the letters harder for the user to recognize
- the auto hard-letters feature automatically increases the frequency of the letters last added to the Koch exercise
- high precision timing of dots. dashes and space
- all timings (dot/dash ratio, spacing, etc.) can be user set
- optionally different sidetone frequency for dots and dashes
- works also with the phone screen off, so execises can be done with the device in the pocket
- when an incoming call is received, the exercise is automatically paused
- a voice can can read each word after the CW transmission, to allow mentally check the reception without even looking at the screen
- international Text-to-speech can read the text after having been sent in CW
- long (alpha, bravo, etc.) or short (A, B, C, ...) voice samples are available
- a QSO generator generates random "standard" QSO using a database of 1116 first names and 544 cities related to the 31 most popular countries, with 560 real rig names, antenna types, WX and so on
- can read text from a file or copied and pasted from any source
- can transmit words or sentences randomly taken from a file (for example a list of proverbs or aphorisms)
- callsign generator with optional prefix and suffix generation
- exercise verification can be done by reading the screen, by typing the answers or by listening to a voice that dictates it
- over 100 international characters supported, including cyrillic
- full support of prosigns
- exercises can be configured and saved for fast retrieval

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