Comparison

School Lock vs Practice Lock Combo

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

Head to head
About

School Lock

Practice opening school lockers with a digital simulation. This app helps you master the right, left, right sequence required for combination locks, ensuring you can access your locker quickly and efficiently.

Highlights
  • Locker lock simulation
  • Right, left, right sequence practice
  • Combination number guidance
  • Speed practice for locker access
Features
Read full description

If there are lockers with locks at your school, you'll probably want to get used to opening yours quickly. This App gives you a chance to practice. This uses a right, left, right opening sequence and forces the correct direction for each combination number.

About

Practice Lock Combo

Master rotary dial combination locks with this realistic simulator. Practice opening lockers, safes, or padlocks with your own combinations and customizable dials. Features include haptic feedback and timed challenges to improve speed and accuracy.

Highlights
  • Practice with custom combinations
  • Realistic digital dial mechanics
  • Step-by-step visual guidance
  • Adjustable combination length
  • Haptic feedback for authentic feel
  • Multiple themes for personalization
  • Timed game modes
Read full description

Struggling to open a combination lock? Whether you're getting ready for school lockers or practicing for a safe, VaultX helps you master the twists and turns of a rotary dial. Perfect for students, parents, or anyone who wants to reduce stress before the first day of school, VaultX makes locker practice simple, fun, and effective. It’s also a handy training tool for remembering safe combinations or mastering padlocks at home. Enter your own combination to practice, customize the look of the dial, and challenge yourself with a timer to unlock as quickly as possible. With realistic rotation mechanics and haptic feedback, VaultX feels just like the real thing. Key Features: - Practice with your own combination - Digital dial that works just like a real one - Step-by-step walkthrough with visual guidance - Adjustable number range for longer combinations - Haptic feedbacks for authentic rotation feel - Multiple themes to personalize your dial - Fun game modes to crack the code using only haptics __________ VaultX Pro: Unlock unlimited practice and choose from more themes. Choose a monthly or annual subscription, or unlock Pro forever with a one-time Lifetime purchase. You can manage or cancel your subscriptions in your Apple Account settings. Terms of Use: https://sandratra.com/legal/terms

Screenshots

School Lock4 screens
Practice Lock Combo4 screens

Verdict

The call

The clearest difference is price: Practice Lock Combo at Free against School Lock's $0.99. Practice Lock Combo also leads on review sentiment (100% vs 66%). School Lock's advantage is in-app purchases (none vs 6) and ratings volume (1.1K vs 265). On rating, update cadence, 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

Practice Lock Combo is free to download; School Lock costs $0.99 up front. Practice Lock Combo sells 6 in-app purchases, starting at $1.99 per month. School Lock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for School Lock against 4.5 for Practice Lock Combo. Both are backed by a comparable volume of ratings — 1.1K and 265 respectively. Written reviews are what separate them: 66% of School Lock's written reviews are positive against 100% of Practice Lock Combo's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
School Lock versus Practice Lock Combo: the parameters behind the verdict, then further details
ParameterSchool LockPractice Lock Combo
Price$0.99Free — better
Rating4.5 (1.1K ratings)4.5 (265 ratings)
Positive reviews66.2% of reviews100.0% of reviews — better
Number of ratings1.1K — better265
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size2 MB11 MB
Age rating4+4+
DeveloperH3 Apps, LLCSandratra Razafindralambo

Customer experience

School Lock

All ratings1,137 ratings
Positive86.6%
Neutral4.5%
Negative8.9%
Written reviews65 reviews
Positive66.2%
Neutral1.5%
Negative32.3%

Practice Lock Combo

All ratings265 ratings
Positive85.3%
Neutral7.9%
Negative6.8%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

School Lock

Reported bugs

3 issues
  • Lock won't turn left
  • Reset button covered by ads
  • Glitchy and unreliable performance

Requested features

4 requests
  • Allow lock to turn both clockwise and counterclockwise
  • Increase lock rotation speed
  • Add ability to input real locker combinations
  • Provide more feedback/animation when lock is opened

Practice Lock Combo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

School Lock

No in-app purchases

6 purchases

Practice Lock Combo

Subscriptions2
  • VaultX Pro (Monthly)$1.991 Month
  • VaultX Pro (Annual)$4.991 Year
One-time4
  • Starter Upgrade$1.99
  • Discounted Upgrade$2.99
  • Pro Upgrade$3.99
Show 1 more
  • VaultX Pro (Lifetime)$9.99

Questions

Is School Lock free?
School Lock costs $0.99, with no in-app purchases.
Is Practice Lock Combo free?
Practice Lock Combo is free to download, with in-app purchases available.
Which has better reviews, School Lock or Practice Lock Combo?
School Lock and Practice Lock Combo are both rated 4.5 out of 5 on the App Store, from 1.1K and 265 ratings respectively.
Do School Lock or Practice Lock Combo have ads?
Neither School Lock nor Practice Lock Combo shows ads.
Which is updated more often, School Lock or Practice Lock Combo?
School Lock ships an update fortnightly, and Practice Lock Combo fortnightly. Most recently, School Lock was updated on September 23, 2026 and Practice Lock Combo on September 22, 2026.

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