Apps by Piet Jonas
-
Morse Code
Education
2.85
(20)
$0.99
Released Oct 2008
· updated Aug 2024
-
Let it Snow - App
Photo & Video
3.24
(17)
Free
IAP
Released Apr 2014
· updated Apr 2022
-
Wind Lite
Weather
3.69
(13)
Free
IAP?
Released Aug 2012
· updated Oct 2018
-
Speed Limit App
Travel
1.00
(12)
$0.99
Released Nov 2009
· updated Jun 2024
-
Cooktop
Food & Drink
4.55
(11)
Free
IAP?
Released Apr 2011
· updated Mar 2019
-
Pay Timer Lite
Finance
2.40
(10)
Free
IAP?
Released Apr 2012
· updated Jan 2023
-
Source Viewer Lite
Productivity
1.11
(9)
Free
IAP?
Released Mar 2012
· updated Jun 2017
-
Temperatures App
Weather
5.00
(9)
Free
IAP?
Released Jul 2018
· updated Jul 2018
-
Temperature App
Weather
1.00
(8)
$0.99
IAP?
Released Dec 2010
· updated Jul 2018
-
Thesaurus App - Free
Reference
1.86
(7)
Free
IAP?
Released Sep 2015
· updated Dec 2016
-
Temperature Lite
Weather
3.14
(7)
Free
Released Jan 2015
· updated Oct 2018
-
Rates
Finance
1.14
(7)
$0.99
IAP?
Released May 2009
· updated Aug 2023
-
Winds App
Weather
4.14
(7)
Free
IAP?
Released Sep 2018
· updated Nov 2018
-
Loan & Mortgage
Finance
2.86
(7)
$0.99
IAP?
Released Oct 2008
· updated Mar 2025
-
States
Reference
1.67
(6)
$0.99
IAP?
Released Nov 2008
· updated Jul 2023
-
Wind App
Weather
2.33
(6)
$0.99
IAP?
Released Jun 2012
· updated Sep 2018
-
Language Translator
Travel
2.60
(5)
Free
IAP?
Released Oct 2008
· updated Apr 2022
-
Ruler App
Utilities
2.60
(5)
$0.99
IAP?
Released Feb 2009
· updated Jan 2025
-
Photo Loupe Free
Photo & Video
2.60
(5)
Free
IAP?
Released Mar 2012
· updated Feb 2016
-
Sunset
Reference
1.50
(4)
$0.99
IAP?
Released Jan 2009
· updated Feb 2026
-
Distance Lite
Navigation
1.00
(4)
Free
IAP?
Released Dec 2012
· updated Feb 2019
-
Altitude App
Navigation
3.75
(4)
$0.99
IAP?
Released Oct 2009
· updated Dec 2024
-
Thesaurus App
Reference
1.00
(4)
$0.99
IAP?
Released Feb 2019
· updated Mar 2022
-
Lunar Eclipse
Weather
2.50
(4)
$0.99
IAP?
Released Aug 2013
· updated Mar 2022
-
Source Viewer XL
Productivity
4.67
(3)
$1.99
IAP?
Released Apr 2010
· updated Jul 2023
-
Compass
Navigation
3.00
(3)
$0.99
IAP?
Released Feb 2019
· updated Jul 2025
-
Group Mail App
Productivity
2.00
(3)
Free
IAP?
Released Nov 2013
· updated Oct 2016
-
Country Quiz HD
Games
2.00
(3)
$0.99
IAP?
Released Apr 2010
· updated Jul 2023
-
Just Search - Free
Utilities
5.00
(3)
Free
IAP?
Released Dec 2012
· updated Oct 2016
-
Football Games
Sports
1.67
(3)
$0.99
IAP?
Released Feb 2019
· updated Dec 2023
-
Grade Book
Education
1.00
(2)
$4.99
Released Mar 2009
· updated Aug 2023
-
Basketball Games
Sports
4.00
(2)
Free
Released Oct 2008
· updated Oct 2018
-
My Birthday - Lite
Utilities
2.50
(2)
Free
IAP
Released Feb 2012
· updated May 2017
-
Special Days App
Lifestyle
2.00
(2)
Free
IAP?
Released Mar 2014
· updated Oct 2016
-
Basketball Game
Games
5.00
(2)
$1.99
IAP?
Released Nov 2008
· updated Jul 2026
-
Speed App
Navigation
3.00
(2)
$0.99
IAP?
Released Apr 2011
· updated Dec 2023
-
Quick Chart
Productivity
1.50
(2)
$0.99
IAP?
Released Feb 2009
· updated Jul 2026
-
Humidity Free
Weather
5.00
(2)
Free
IAP?
Released Nov 2016
· updated Nov 2016
-
Air Pressure Free
Weather
3.00
(2)
Free
IAP?
Released Dec 2016
· updated Dec 2016
-
All Countries
Reference
2.50
(2)
$0.99
Released Dec 2008
· updated Oct 2023
-
Water Timer Free
Finance
5.00
(1)
Free
IAP?
Released Apr 2012
· updated Nov 2015
-
Rotation Hockey
Sports
5.00
(1)
Free
IAP?
Released Mar 2010
· updated Jul 2026
-
All Countries XL
Reference
1.00
(1)
$0.99
IAP?
Released Apr 2010
· updated Oct 2023
-
Tip Calc - App
Travel
5.00
(1)
Free
IAP?
Released Jul 2017
· updated Jul 2017
-
SpeedyMarks
Productivity
1.00
(1)
$1.99
IAP?
Released Jun 2010
· updated Aug 2023
-
Blue Moon App
Weather
4.00
(1)
$0.99
IAP?
Released May 2013
· updated May 2025
-
Tennis Matches
Sports
5.00
(1)
$0.99
IAP?
Released Feb 2010
· updated Jul 2026
-
World Clockr
Travel
1.00
(1)
$0.99
IAP?
Released Feb 2009
· updated Jul 2026
-
Hockey Games
Sports
1.00
(1)
Free
Released Nov 2008
· updated Oct 2018
-
Weight Chart Free
Health & Fitness
2.00
(1)
Free
IAP?
Released Feb 2012
· updated Feb 2015
-
Sports Free
Sports
1.00
(1)
Free
IAP?
Released Mar 2012
· updated Apr 2016
-
Units Free
Utilities
1.00
(1)
Free
IAP?
Released Mar 2012
· updated Nov 2015
-
Racing
Sports
5.00
(1)
$0.99
Released Dec 2008
· updated Jul 2026
-
Country Quiz
Games
1.00
(1)
$0.99
IAP?
Released Dec 2008
· updated Jul 2023
-
Chess Clock Free
Utilities
5.00
(1)
Free
IAP?
Released Apr 2012
· updated May 2016
-
Moon Phases
Reference
1.00
(1)
$0.99
IAP?
Released Jan 2009
· updated Feb 2026
-
Letter Dice
Utilities
4.00
(1)
$0.99
IAP?
Released Jul 2009
· updated Dec 2015
-
State Quiz
Games
2.00
(1)
$0.99
IAP?
Released Oct 2008
· updated Jul 2023
-
Baseball Games
Sports
1.00
(1)
$0.99
IAP?
Released Feb 2019
· updated Jul 2026
-
Smooth Countdown Lite
Utilities
5.00
(1)
Free
IAP?
Released Mar 2012
· updated Apr 2017
-
Golf
Sports
1.00
(1)
$0.99
IAP?
Released Apr 2009
· updated Dec 2023
-
Web Images Lite
Photo & Video
1.00
(1)
Free
Released Mar 2012
· updated Apr 2017
-
Thesaurus XL
Reference
5.00
(1)
$0.99
IAP?
Released Apr 2010
· updated Dec 2023
-
Web Monitor Lite
Business
1.00
(1)
Free
IAP?
Released May 2012
· updated May 2017
-
Length
Utilities
$0.99
Released Mar 2012
· updated Jul 2024
-
Degrees Converter
Weather
$0.99
IAP?
Released Apr 2012
· updated Jan 2026