Comparison

Calculator + AR Ruler BLACK #1 vs Roulette Strategy Builder

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

Head to head
About

Calculator + AR Ruler BLACK #1

This utility app combines a standard calculator with an augmented reality ruler. Measure lengths by tapping points on your screen and instantly convert units. Perform calculations on surface area or other metrics using the integrated calculator.

Highlights
  • Augmented reality measuring ruler
  • Basic mathematical functions
  • Multiple unit conversion
  • Tap to measure length
  • Integrated calculator for surface area
Features
Read full description

Introducing The Impeccable Black Collectable Limited Edition Calculator Application. This beautifully designed utility not only is a simple calculator with mathematical functions, but also an AR measuring ruler that is perfectly positioned on the calculator display that allows users to tap two points on the screen of the camera view and measure the length of objects. After finding the length use the auto convert button to change the measuring units, then use the calculator to help you calculate surface area or another type of similar calculation right on the same screen. - Perform basic calculations such as addition, subtraction, multiplication, and division - AR measuring ruler with multiple unit conversion - Easy to use - Custom Made by Adam Shoucair, Founder of digiID® LLC. *Access to purchase - The Phenomenal Platinum Collectable Limited Edition Calculator Application

About

Roulette Strategy Builder

Features
Read full description

Build roulette strategies with real probability math. See expected value, hit rate, coverage, and volatility update live as you build combinations on a static table layout. No spins. No chips. No casino. RouletteStrat is an educational probability calculator and strategy simulator. Place bets, watch the math update, understand the odds. STRATEGY BUILDER Tap any cell on the static roulette layout to build a bet combination. Straight-up, split, street, corner, six-line, and outside bets. Your full probability profile updates in real time. 15 CLASSIC STRATEGY TEMPLATES Load well-known strategies instantly and inspect their exact probability metrics: James Bond, Martingale, Fibonacci, D'Alembert, Labouchere, Paroli, Snake, Jeu Zéro, Voisins du Zéro, Tiers du Cylindre, Orphelins, 1-3-2-6, All-on-Red, Corner System, Dozens Chase. MONTE CARLO SIMULATOR Run thousands of simulated rounds on any strategy. Set session length, stop-loss threshold, and profit target. View projected bankroll distribution before committing to a setup. SESSION LEDGER Log wins, losses, and pushes manually to track a live session. No casino integration, no payments, no wagering occurs in the app. SAVE YOUR STRATEGIES Sign in with Apple, Google, or email to save custom strategies to the cloud. EUROPEAN AND AMERICAN WHEELS Toggle between EU (single zero, 2.70% house edge) and US (double zero, 5.26% house edge). Every calculation updates automatically. FOUR LIVE METRICS • Hit Rate: probability that at least one bet wins on a given spin • Coverage: percentage of possible outcomes your bets cover • Expected Value: exact EV per unit wagered • Volatility: standard deviation of outcomes per spin This is not a casino game. No real-money wagering. No in-app purchases. No virtual currency. No gambling. FEATURES • Static roulette table layout, tap to build, instant calculation • Real-time EV, hit rate, coverage, and volatility • 15 classic strategy templates with full probability metrics • Monte Carlo probability simulation engine • Manual session ledger • Cloud strategy save and load • Apple Sign-In and Google Sign-In • European and American wheel support • Dark mode interface

Screenshots

Calculator + AR Ruler BLACK #13 screens
Roulette Strategy Builder4 screens

Verdict

The call

The clearest difference is in-app purchases: Roulette Strategy Builder at none against Calculator + AR Ruler BLACK #1's 1. Calculator + AR Ruler BLACK #1's advantage is update cadence (every 9 days vs every 5 weeks) and iOS requirement (13.0 vs 16.4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator + AR Ruler BLACK #1 sells 1 one-off in-app purchase. Roulette Strategy Builder asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator + AR Ruler BLACK #1 ships an update every 9 days, Roulette Strategy Builder every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator + AR Ruler BLACK #1 versus Roulette Strategy Builder: the parameters behind the verdict, then further details
ParameterCalculator + AR Ruler BLACK #1Roulette Strategy Builder
PriceFreeFree
Rating5.0 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 9 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size15 MB39 MB
Age rating4+12+
DeveloperDIGIID LLCOlikaOne LTD

In-app purchases

1 purchases

Calculator + AR Ruler BLACK #1

One-time1
  • Platinum VIP Membership$999.99
None

Roulette Strategy Builder

No in-app purchases

Questions

Is Calculator + AR Ruler BLACK #1 free?
Calculator + AR Ruler BLACK #1 is free to download, with in-app purchases available.
Is Roulette Strategy Builder free?
Roulette Strategy Builder is free to download, with no in-app purchases.
Do Calculator + AR Ruler BLACK #1 or Roulette Strategy Builder have ads?
Neither Calculator + AR Ruler BLACK #1 nor Roulette Strategy Builder shows ads.
Which is updated more often, Calculator + AR Ruler BLACK #1 or Roulette Strategy Builder?
Calculator + AR Ruler BLACK #1 ships an update every 9 days, and Roulette Strategy Builder every 5 weeks. Most recently, Calculator + AR Ruler BLACK #1 was updated on November 3, 2026 and Roulette Strategy Builder on October 31, 2026.

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