Comparison

Poker "M" Calculator vs Rule Referee

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Poker "M" Calculator

Calculate the M-value, a metric used in poker to assess a player's stack size relative to the blinds. This tool helps players understand their tournament standing and make strategic decisions.

Highlights
  • Calculate M-value
  • Poker tournament strategy aid
  • Stack size assessment
  • Blind relative analysis
Features
Read full description

Thanks for checking out Poker M Calculator. Use this app to calculate the value of M, as defined here: https://en.wikipedia.org/wiki/M-ratio Please feel free to reach out to me at kevinzagala AT gmail.com for any questions, concerns, or donations.

About

Rule Referee

Get instant, accurate answers to board and card game rules without searching through manuals. This app provides clear, deterministic answers to keep your games moving smoothly. Access rules offline and enjoy a built-in timer for supported games.

Highlights
  • Instant rule answers
  • Offline access
  • Built-in game timer
  • Supports 79+ games
  • No AI guesswork
  • Deterministic answers
Features
Read full description

Stop arguing over the rules. Rule Referee gives you fast, clear answers to board and card game rules, without digging through manuals or guessing. Built for real gameplay so you stay in the moment and keep the game moving. What you can do: - Ask rule questions in plain language - Get simple, accurate answers instantly - Play without interruptions or debates - Access rules offline, no internet needed - Use the built-in Rummikub timer with notifications Why it's different: Most apps give you long rulebooks or AI guesses. Rule Referee uses structured, hand-built rules and deterministic answers. No AI. No hallucinations. No close enough. Just clarity you can trust at game night. Games supported include Viticulture, Catan, Wingspan, Spirit Island, Lords of Waterdeep, Flamecraft, Codenames, Pandemic, Chess, Exploding Kittens, and more. 79 games total, with new ones added regularly. Free games included Start playing right away with a selection of supported games. Unlock all games Get full access to all supported games and future additions with the All-Access Pass. No more confusion. No more rule disputes. Just play. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Poker "M" Calculator2 screens
Rule Referee4 screens

Verdict

The call

The clearest difference is in-app purchases: Poker "M" Calculator at none against Rule Referee's 1. Poker "M" Calculator also leads on iOS requirement (15.6 vs 17.0). Rule Referee's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Rule Referee sells 1 in-app purchase, starting at $2.99 per month. Poker "M" Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Poker "M" Calculator against 5.0 for Rule Referee. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Poker "M" Calculator ships an update every 4 months, Rule Referee monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 4 level
Poker "M" Calculator versus Rule Referee: the parameters behind the verdict, then further details
ParameterPoker "M" CalculatorRule Referee
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 4 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size21 MB124 MB
Age rating4+4+
DeveloperKevin ZagalaAutumn Wohlwend

Customer experience

Poker "M" Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Rule Referee

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Poker "M" Calculator

No in-app purchases

1 purchases

Rule Referee

Subscriptions1
  • Rule Referee All Access$2.991 Month

Questions

Is Poker "M" Calculator free?
Poker "M" Calculator is free to download, with no in-app purchases.
Is Rule Referee free?
Rule Referee is free to download, with in-app purchases available.
Which has better reviews, Poker "M" Calculator or Rule Referee?
Poker "M" Calculator and Rule Referee are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Poker "M" Calculator or Rule Referee have ads?
Poker "M" Calculator shows ads; Rule Referee does not.
Which is updated more often, Poker "M" Calculator or Rule Referee?
Poker "M" Calculator ships an update every 4 months, and Rule Referee monthly. Most recently, Poker "M" Calculator was updated on November 3, 2026 and Rule Referee on October 31, 2026.

Other comparisons