Comparison

Practice Lock vs Locker Practice

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

Head to head
About

Practice Lock

Master combination locks with a realistic digital simulator. Practice opening locks with helpful hints and step-by-step guidance. Customize your lock's appearance and choose your own or randomly generated combinations.

Highlights
  • Realistic lock unlocking simulation
  • Helpful hints for common mistakes
  • Step-by-step walkthrough mode
  • Customizable dial colors
  • Generate random combinations
  • Choose custom combination ranges
Features
Currently charting
Read full description

Combination locks can be tricky—especially when they're attached to lockers at your school. Practice beforehand so you know exactly how to open yours. REALISTIC UNLOCKING The lock behaves exactly like a real one. Spin the dial to enter your combination, then tap or swipe up on the shackle to open. If you want to start over, just keep spinning and enter the combination again. HELPFUL HINTS If you make a common mistake when opening the lock—like forgetting to spin one rotation to the left before your second number—you’ll be notified with a friendly hint. WALKTHROUGH MODE If you get stuck, don't worry. Enable Walkthrough Mode to get step-by-step instructions as you open the lock. CUSTOMIZE YOUR LOCK Choose from six different dial colors: red, yellow, green, blue, purple, or black. GENERATE A RANDOM COMBINATION, OR CHOOSE YOUR OWN If you want to test yourself, generate a combination randomly. Or, choose your own in one of two number ranges: 0-39 or 0-49.

About

Locker Practice

Master combination locks with a realistic digital dial. Practice opening locks repeatedly until it becomes automatic, with step-by-step guidance and progress tracking. Ideal for students and anyone needing to quickly open a padlock.

Highlights
  • Realistic rotary dial simulation
  • Step-by-step opening guidance
  • Customizable combinations
  • Progress tracking (success rate, best time)
  • Offline functionality
  • No ads or interruptions
Features
Read full description

Walk up to your locker already knowing how it opens. Locker Practice is combination lock practice on a dial that behaves like the real thing. Spin it with your finger, follow the true right-left-right sequence, and open your locker combination again and again until your hands remember it. No real padlock needed, no hallway audience, no daily limit. A dial with real weight Drag the dial and it turns with you, giving a haptic pulse at every notch, then settling on the nearest number when you let go — just like the padlock on your locker door. That feel is what a school handbook diagram can never teach you, and it is the whole point of locker practice. The real sequence, enforced A combination lock is a sequence, not a password. So it makes you do it properly: • Spin clockwise at least three full turns to clear the dial, then stop on your first number • Spin counter-clockwise one full turn past it, then stop on your second number • Spin clockwise straight to your third number — do not go past it • Swipe the shackle up Get a direction or the extra turn wrong and it stays shut, exactly like the real one. That is what separates real lock practice from tapping digits into a keypad. It tells you what you did wrong "It didn't open" is useless feedback. When you make one of the classic mistakes, this app names it: wrong way to start, not spun far enough to reset, forgot the extra full turn, spun past the third number. One tap resets the dial and you go straight into the next attempt. Practice the code you were actually given Type in the lock combination your school handed you and rehearse that exact one, or generate a random one when you just want reps. Switch on "new code after each open" for fresh combinations, so you train the motion rather than memorise one answer. Save the codes you use most and name them, so gym locker memory is one less thing to carry. When you want pressure Use it as a school practice lock at home. Challenge mode hides the code and starts a countdown on the practice lock. School Sim tightens it to 20 seconds, so the first time you feel rushed is not the first morning of term. Watch yourself get better Progress tracks success rate, best time, streaks and attempts — you see the moment a lock combination stops needing conscious thought. What is inside • A true-to-life rotary dial you drag, with per-notch haptics • Enforced clockwise, counter-clockwise, clockwise sequence with the extra full turn • Step-by-step walkthrough showing the current step and direction • Named, instant correction for the mistakes that keep lockers shut • Reset any time, plus how to reset a borrowed or second-hand padlock • Your own code or a random one; optional new code after every open • Dial ranges 0-29, 0-39 and 0-49 • Challenge countdown and School Simulation modes • Named saved combinations, success rate, best time and streaks • Haptics you can switch off; offline, 33 languages, light and dark What this app is not This is a practice lock for a code you already have. It does not open, crack or decode anyone else's lock and it teaches no lock picking. It does not pair with bluetooth or smart locks and does not cover keypad or fingerprint locks. No account, no cloud sync — everything stays on your device. Set your code, spin the dial, and make locker combination practice something you did at home instead of something you fumble in the hallway. Terms of Use: https://zeroplay.io/docs/legal/terms-of-service Privacy Policy: https://zeroplay.io/docs/legal/privacy-policy

Screenshots

Practice Lock4 screens
Locker Practice4 screens

Verdict

The call

The clearest difference is price: Locker Practice at Free against Practice Lock's $0.99. Locker Practice also leads on update cadence (weekly vs every 5 months) and review sentiment (100% vs 87%). Practice Lock's advantage is ads (none vs shown) and ratings volume (2K vs 87). On rating, in-app purchases, device support and iOS requirement 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

Locker Practice is free to download; Practice Lock costs $0.99 up front. Practice Lock sells 1 one-off in-app purchase and Locker Practice sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Practice Lock against 4.7 for Locker Practice. That said, the two scores are not equally well evidenced: Practice Lock has 2K ratings behind it against 87, so its average is the more settled of the two. Written reviews are what separate them: 87% of Practice Lock's written reviews are positive against 100% of Locker Practice's.

UpkeepUpdate frequency

Practice Lock ships an update every 5 months, Locker Practice weekly. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 4 level
Practice Lock versus Locker Practice: the parameters behind the verdict, then further details
ParameterPractice LockLocker Practice
Price$0.99Free — better
Rating4.8 (2K ratings) — better4.7 (87 ratings)
Positive reviews87.1% of reviews100.0% of reviews — better
Number of ratings2K — better87
Update frequencyEvery 5 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#75 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size4 MB111 MB
Age rating4+4+
DeveloperJames RandolphZeroPlay Ltd.

Customer experience

Practice Lock

All ratings1,988 ratings
Positive95.7%
Neutral2.1%
Negative2.2%
Written reviews116 reviews
Positive87.1%
Neutral4.3%
Negative8.6%

Locker Practice

All ratings87 ratings
Positive92.0%
Neutral2.3%
Negative5.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Practice Lock

Reported bugs

2 issues
  • Lock turning too fast at times
  • Inconsistent behavior compared to real-life locks

Requested features

3 requests
  • Add sound effects when unlocking
  • Include a randomize option to reset the lock combination
  • Provide more lock types and difficulty levels

Locker Practice

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Practice Lock

One-time1
  • Customize Lock$0.99
1 purchases

Locker Practice

One-time1
  • Locker Practice Pro$14.99

Questions

Is Practice Lock free?
Practice Lock costs $0.99, and also offers in-app purchases.
Is Locker Practice free?
Locker Practice is free to download, with in-app purchases available.
Which has better reviews, Practice Lock or Locker Practice?
Practice Lock is rated higher. Practice Lock averages 4.8 out of 5 from 2K ratings, while Locker Practice averages 4.7 from 87 ratings.
Do Practice Lock or Locker Practice have ads?
Locker Practice shows ads; Practice Lock does not.
Which is updated more often, Practice Lock or Locker Practice?
Practice Lock ships an update every 5 months, and Locker Practice weekly. Most recently, Practice Lock was updated on October 13, 2026 and Locker Practice on October 14, 2026.

Other comparisons