Dry Calculator

OSRS Drop Rate Luck Tracker

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

There's something special about going exceptionally dry on a drop. At a certain point, many learn to wear their misfortune like a badge of honor - except, well, there's no badge. That's where Dry Calculator comes in. Whether you're going dry or getting lucky, Dry Calculator has everything you need to measure your luck against the average. Are you dozens of hours deep into a grind, with nothing to show for it but sweat and tears? Or conversely, did you manage to get lucky on a 1kc drop, and want your non-gaming partner to understand just how insane that is? Dry Calculator was built with Old School Runescape players in mind, while remaining a valuable tool for other games with similar reward mechanics, e.g. Runescape 3, Terraria, World of Warcraft, & Warframe. Features: • Robust Probability Calculator: get probability stats for up to 30 individual drops, combined into an overall luck score. • OSRS Prefabs: A comprehensive list of prefab calculators made just for Old School Runescape. • Track Progress: Save, load, and create new calculators to track luck across multiple bosses or encounters. • Show It Off: Shareable cards for individual drop probabilities and for the overall calculator. • Session View: Easily increment your tracked drops and attempt count while playing. • Simulator View: Roll drops on a drop table over a chosen number of attempts, at variable speeds - surprisingly addicting. Don't get lost in the ambiguity of your RNG - find out exactly how lucky or unlucky you are, with Dry Calculator. Created using intellectual property belonging to Jagex Limited under the terms of Jagex's Fan Content Policy. This content is not endorsed by or affiliated with Jagex.

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The developer, Vilem Lehmann Boddicker, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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Information

Seller
Vilem Lehmann Boddicker
Size
24.7 MB
Category
Utilities
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.3 or later.
Languages
English
Age Rating
9+
Copyright
© 2026 Vilem McKael Lehmann Boddicker
  • Developer Website
  • Privacy Policy

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