d20 Calculator vs Metric Beyond
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
d20 Calculator
This app is a specialized calculator for tabletop role-playing games. It allows users to input complex dice roll combinations, including additions, subtractions, multiplications, and divisions, and provides instant results. Save custom rolls and enjoy realistic sound effects for an enhanced gaming experience.
- Calculate complex dice combinations
- Support for any dice type (dx)
- Save and label frequently used rolls
- Dice roll sound effects
- Add, subtract, multiply, and divide dice
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A calculator for table top games. Enter any combination of die and get the result instantly. It can be as simple as "1d4" and as complex as "(3d100 + 5d7) x 3d2". No need to add up all the numbers yourself. d20 Calculator is a useful tool for any RPG or tabletop game. Features: - Save your frequently used rolls with labels to help you identify which rolls belong to which attacks. - "dx" button lets you roll any type of dice needed.. ever need a d7? - Add, subtract, multiply, and divide any combination of dice. - Dice roll sound effect so everyone know you're not cheating. - 6 stylish themes available.
Metric Beyond
Automatically converts imperial units to metric units on the D&D Beyond website. This Safari extension works across Mac, iPhone, and iPad, making it easier to use official French D&D sourcebook values.
- Converts distances and weights to metric
- Works on character, monster, and item pages
- Supports Safari on Mac, iPhone, and iPad
- Open source and free
- Uses official French D&D sourcebook values
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Bring the metric unit system to D&D Beyond ! Metric Beyond is a Safari Extension which will automatically convert all imperial units to metric units on the D&D Beyond* website. It uses the official values given in the french Dungeons&Dragons** sourcebooks. And it works on Mac, iPhone and iPad! MAIN FEATURES: ● Converts distances and weights in imperial units to metric units automatically ● It works on D&D Beyond character, monster, sourcebooks, spells and magic items pages, as well as the encounters tool. ● It's available for Safari on Mac, iPhone and iPad ● It's open source and free ! Find the source code at https://github.com/gencys/MetricBeyond ● And more features to come ! * ©2023 D&D Beyond | All Rights Reserved ** Dungeons & Dragons, D&D, their respective logos, and all Wizards titles and characters are property of Wizards of the Coast LLC in the U.S.A. and other countries. ©2023 Wizards.
Screenshots
Verdict
The clearest difference is in-app purchases: Metric Beyond at none against d20 Calculator's 1. Metric Beyond also leads on update cadence (every 3 weeks vs every 5 months) and review sentiment (100% vs 85%). d20 Calculator's advantage is iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. d20 Calculator sells 1 one-off in-app purchase. Metric Beyond asks for nothing beyond the download.
d20 Calculator ships an update every 5 months, Metric Beyond every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | d20 Calculator | Metric Beyond |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (343 ratings) — better | — |
| Positive reviews | 85.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 343 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Lion's Den | Jean-Francois Vaduret |
Customer experience
d20 Calculator
Metric Beyond
Bugs and requests
d20 Calculator
Reported bugs
3 issues- Crashes when attempting to purchase the full version
- Crashes when trying to save more than one dice roll
- Ads still present even after purchasing the full version
Requested features
4 requests- Add support for iPad multitasking features
- Implement option to re-roll 1s or discard certain dice
- Improve saved roll management (e.g., ability to edit saved rolls)
- Add a character creation feature (4d6 drop lowest)
Metric Beyond
Not enough reviews yet to summarise bugs or requests.
In-app purchases
d20 Calculator
- Full Version$0.99
Metric Beyond
No in-app purchases
Questions
Is d20 Calculator free?
Is Metric Beyond free?
Do d20 Calculator or Metric Beyond have ads?
Which is updated more often, d20 Calculator or Metric Beyond?
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