Richard Koopmann
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- Platforms: iOS Apps (3) iOS Games (2) macOS Apps (1)
- Rankings: 0
- Total: 6
- Lists: 1 + 1
- Reviews: 0
Open- New
- Granny Hand — Sheepshead
- iOS Games: Casual By: Richard Koopmann
- * Free
- Lists: 0 + 0 Rankings: 0 Reviews: 0
- Points: 0 + 0 Version: 2025.12.26 Sheepshead - Classic 4-Hand Master the beloved card game of Minnesota! Sheepshead is the classic 4-player trick-taking game with strategic partnerships, trump cards, and endless ... ⥯
- New
- vesica — line art
- iOS Apps: Graphics & Design By: Richard Koopmann
- $3.00
- Lists: 0 + 0 Rankings: 0 Reviews: 0
- Points: 0 + 0 Version: 2026.1.17 Create mesmerizing line art with simple geometric rules. Connect points on shapes. Adjust the number of vertices. Change which points connect to which. Watch intricate patterns emerge ... ⥯
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- flation
- iOS Apps: Reference By: Richard Koopmann
- $5.00
- Lists: 0 + 0 Rankings: 0 Reviews: 0
- Points: 0 + 0 Version: 2026.1.13 Introducing flation Your Time Machine for Money Value! Ever wondered how much a dollar from 1913 would be worth today? Or how the purchasing power of your savings has changed over the ... ⥯
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- text-player
- iOS Apps: Utilities By: Richard Koopmann
- $5.00
- Lists: 0 + 0 Rankings: 0 Reviews: 0
- Points: 0 + 0 Version: 2024.06.04 Introducing text player Silent Messages, Loud Impact text player isn t a revolutionary app, but has been crafted with SwiftUI to assist in visual communication in any setting, and it ... ⥯
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- card piles
- iOS Games: Card By: Richard Koopmann
- $1.00
- Lists: 0 + 0 Rankings: 0 Reviews: 0
- Points: 0 + 1 (5.0) Version: 2024.1 You know you've been waiting *forever* for the famous 21-card trick to be on mobile. Simply memorize a card, indicate the pile, and your card is revealed to you! Is it witchcraft? ... ⥯
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- do over — text permutations
- macOS Apps: Developer Tools By: Richard Koopmann
- $5.00
- Lists: 1 + 1 Rankings: 0 Reviews: 0
- Points: 1 + 1 (5.0) Version: 2024.1.1 - Want to quickly and easily change the values and template text and see the results in realtime? do over can do that. - Want to use a different placeholder in the template? do over ... ⥯
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Richard Koopmann | Developer
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«Richard Koopmann» is a developer of apps and games available on App Store, Mac App Store. Their portfolio currently includes 6 published titles. This developer has not yet received user ratings on AppAgg. Distribution by price: 1 free, 5 paid, and 0 currently discounted titles. Total points recorded via AppAgg: 1 confirmed and 2 indirect. The community has added this developer's products to 1 public lists and 1 private lists. Follow «Richard Koopmann» using RSS updates or explore all titles by platform, price, or popularity using the filters above.