Comparison

Lock N Roll vs Probability Lab 777

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

Head to head
About

Lock N Roll

A thrilling dice game combining strategy and luck for 2+ players. Roll dice to score points, with bonus scoring for early rolls and doubles. Risk-reward gameplay encourages players to lock in points before a 7 wipes out their round score.

Highlights
  • 2+ player support
  • Adjustable round count (5-20)
  • Bonus scoring on early rolls
  • Doubles multiply round score
  • Risk-reward strategy
  • Simple to learn
Features
Read full description

Lock N' Roll is a thrilling dice game where strategy meets luck! Grab some dice, gather your friends, and see who can score the highest. HOW TO PLAY Roll two dice on your turn and watch your round score grow. The first 3 rolls of each round offer bonus scoring — rolling a 2 or 12 earns a 200-point jackpot, and 7s are worth 100 points. Doubles multiply your entire round score by 2! But be careful — after your first 3 rolls, rolling a 7 wipes out your round score completely. Lock in your points before it's too late! FEATURES - 2+ players — perfect for game night - Choose 5, 10, 15, or 20 rounds - Special bonus scoring on early rolls - Risk-reward strategy: push your luck or play it safe - Simple to learn, hard to put down - Completely free to play - Whether you're at a party, family gathering, or just hanging out, Lock N' Roll brings the fun. Who will have the nerve to keep rolling?

About

Probability Lab 777

Features
Read full description

Probability Lab 777 is an offline casual game built around probability-inspired three-reel symbol matching and local progress tracking. Adjust your play cost, spin the reels, match symbols on the center line, and earn virtual points based on the result. The app also includes rewards, a clear paytable, personal stats, and achievement progress so you can keep improving your best results over time. Features: • Three-reel symbol-matching gameplay that is easy to learn • Local points and progress tracking for a focused single-device experience • Daily and timed rewards to support continued play • Stats and achievements to monitor spins, best results, and milestones • No account required and no network connection needed All points in this app are virtual in-app points for gameplay only. They are stored locally on the device, cannot be purchased, and cannot be exchanged for real-world value.

Screenshots

Lock N Roll4 screens
Probability Lab 7773 screens

Verdict

The call

The clearest difference is update cadence: Probability Lab 777 at every 2 days against Lock N Roll's every 6 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lock N Roll ships an update every 6 weeks, Probability Lab 777 every 2 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 8 level
Lock N Roll versus Probability Lab 777: the parameters behind the verdict, then further details
ParameterLock N RollProbability Lab 777
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size24 MB9 MB
Age rating4+17+
DeveloperBrandon NelsonAmerica's Best Contacts & Eyeglasses, Inc.

In-app purchases

None

Lock N Roll

No in-app purchases

None

Probability Lab 777

No in-app purchases

Questions

Is Lock N Roll free?
Lock N Roll is free to download, with no in-app purchases.
Is Probability Lab 777 free?
Probability Lab 777 is free to download, with no in-app purchases.
Do Lock N Roll or Probability Lab 777 have ads?
Neither Lock N Roll nor Probability Lab 777 shows ads.
Which is updated more often, Lock N Roll or Probability Lab 777?
Lock N Roll ships an update every 6 weeks, and Probability Lab 777 every 2 days. Most recently, Lock N Roll was updated on October 4, 2026 and Probability Lab 777 on October 7, 2026.

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