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Features & Capabilities

d20 Calculator is a versatile dice calculator for tabletop RPGs. Enter expressions like 3d6+2d8 or (3d100 + 5d7) x 3d2 to get instant results, so you never have to tally dice by hand.

Key features include saving frequently used rolls with labels, a dx button to roll any die you need, arithmetic operations on dice, a dice roll sound effect to let everyone know when a roll lands, and six stylish themes to tailor the look and feel.

User Growth & Download Statistics

By:
Lion's Den
Rating:
5.00
(5)
Version:
2.12 Last updated: 2020-02-21
Version code:
834808340
Creation date:
2014-02-17
Compatible devices:
Size:
12.30MB
URLs:
Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-06
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Lion's Den
Apple Apps Store
https://apps.apple.com/mx/app/d20-calculator/id817035968?l=en-GB

User Reviews

Users praise d20 Calculator for its intuitive UI, speed, and ability to handle complex dice formulas with saved presets. The most common drawbacks are crashes during save/purchase/restore actions and iPad-specific instability. Some reviewers also wish for roll history/run totals features. Overall, it’s seen as a strong, versatile dice calculator for gaming despite stability and feature-history concerns.
Pros
  • Intuitive, calculator-style UI that makes entering dice formulas easy.
  • Fast results with visibility of individual dice results for transparency.
  • Powerful and flexible: supports complex dice formulas and large dice pools.
  • Saves and names presets/rolls for quick reuse.
Cons
  • Frequent crashes during key actions such as saving rolls, purchasing upgrades, and restoring purchases.
  • iPad-specific instability and UI constraints (full-screen requirement, landscape mode, and occasional iPad crashes).
  • Users request roll history/tape and running totals features that are not consistently available across reviews.
Recent reviews
I use this all the time for D&D, especially for large dice rolls.
by Ro*****, 2024-01-16

It just is. Check out the app its free!
by De*****, 2023-11-01

This app is really great and convenient. But it’d be even more convenient if it supported Split View.
by re*****, 2023-10-16
View all user reviews ›

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