Apps by Peter Kramer
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Gravitational Wave Events
Education
4.79
(133)
Free
IAP
Released Dec 2018
· updated Jun 2026
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Lap Swim
Health & Fitness
3.23
(31)
Free
IAP
Released Jan 2017
· updated Mar 2024
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OptionPosition+
Finance
3.95
(20)
Free
SUB
Released Oct 2011
· updated Dec 2024
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Watch My Stocks
Finance
4.64
(14)
Free
IAP
Released Apr 2015
· updated Jul 2026
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FingerPaint With Partners
Entertainment
4.40
(10)
Free
IAP
Released Jul 2013
· updated Jan 2022
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iPlayingCards (Lite)
Games
3.67
(6)
Free
IAP
Released Oct 2010
· updated Mar 2020
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! Exploding Paintballs !
Games
4.80
(5)
Free
IAP
Released Dec 2011
· updated May 2026
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Quantum Mechanics +
Education
4.75
(4)
Free
IAP?
Released May 2022
· updated May 2022
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Maze HyperCube Lite
Games
5.00
(4)
Free
IAP?
Released Jun 2010
· updated May 2022
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3 Level MineSweeper
Games
3.00
(4)
Free
IAP
Released Jan 2014
· updated May 2021
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SNEWS Events
Education
5.00
(3)
Free
IAP
Released Oct 2022
· updated Oct 2024
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Maze Square (Lite)
Games
5.00
(3)
Free
IAP
Released Jan 2010
· updated Jun 2022
-
Beat the Stock Market
Finance
3.67
(3)
Free
IAP
Released Jan 2015
· updated Dec 2024
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Lettery!
Games
5.00
(3)
Free
IAP
Released Mar 2022
· updated May 2026
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GPS Trail Map
Travel
5.00
(2)
Free
IAP
Released Dec 2020
· updated Sep 2023
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ColorCeption
Games
5.00
(2)
Free
IAP?
Released May 2015
· updated Oct 2021
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iReceiptList
Business
3.00
(2)
Free
IAP
Released Mar 2014
· updated Dec 2025
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Forty Twelve Solitaire
Games
5.00
(2)
Free
IAP
Released Jul 2016
· updated Jan 2026
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VR-Panos: 3D Virtual Reality
Photo & Video
5.00
(2)
Free
IAP
Released Apr 2017
· updated Apr 2022
-
Stock Position
Finance
3.00
(2)
Free
IAP?
Released May 2013
· updated Oct 2024
-
Expense List
Finance
5.00
(2)
Free
IAP
Released Aug 2011
· updated Apr 2022
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Sprouts+
Games
5.00
(1)
Free
IAP
Released Aug 2025
· updated Oct 2025
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2 Hour Parking: iChalk
Business
5.00
(1)
$4.99
IAP
Released Nov 2019
· updated Aug 2025
-
Go Game Connect
Games
5.00
(1)
Free
IAP?
Released Aug 2018
· updated Jan 2026
-
Senior Check-In
Health & Fitness
5.00
(1)
Free
IAP?
Released Apr 2025
· updated Aug 2026
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Springs'nThingsLite
Games
5.00
(1)
Free
IAP
Released Jun 2010
· updated Jan 2026
-
Family Dinners
Lifestyle
Free
IAP
Released Dec 2022
· updated May 2026
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CarPooling - Princeton Ride Share
Travel
Free
IAP
Released Nov 2015
· updated May 2016