Comparison

Practice Lock Combo vs Locker

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

Head to head
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

About

Locker

Practice opening combination locks with a realistic simulation. Learn from clear explanations of mistakes and customize your practice experience. Ideal for preparing for school, gym, or work lockers.

Highlights
  • Realistic combination lock simulation
  • Customizable combinations
  • Clear mistake explanations
  • Adjustable dial sensitivity
  • Haptic and sound feedback options
  • Multiple dial sizes
  • Light and dark mode
Features
Read full description

New locker? Practice opening it before you have to do it in a crowded hallway. Locker is a realistic combination lock you turn with your finger. Enter your own combination, spin the dial, pull the shackle. When something goes wrong, Locker tells you exactly what happened in plain words — "You went past your second number" — instead of just resetting. EVERYTHING IS FREE • Your own combination, saved only on your phone • Dials numbered 0–29, 0–39, and 0–49 • Teach Me walkthrough with right/left arrows on the dial • Clear explanations for every mistake • Realistic dial feel with a sensitivity setting • Clicks and haptics you can turn off • Six dial colors, light and dark mode WORKS FOR ANY LOCKER School lockers, gym lockers, work lockers, college dorms. If it has a dial, you can practice it here. PRIVACY No accounts. No ads. No tracking. Your combination never leaves your device.

Screenshots

Practice Lock Combo4 screens
Locker4 screens

Verdict

The call

The clearest difference is in-app purchases: Locker at none against Practice Lock Combo's 6. Locker also leads on rating (5.0 vs 4.5) and iOS requirement (13.0 vs 15.0). Practice Lock Combo's advantage is ratings volume (284 vs 2). On price, 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

Both are free to download. Practice Lock Combo sells 6 in-app purchases, starting at $3.99 per month. Locker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Locker holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Practice Lock Combo has 284 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Practice Lock Combo ships an update fortnightly, Locker every 3 weeks. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Practice Lock Combo versus Locker: the parameters behind the verdict, then further details
ParameterPractice Lock ComboLocker
PriceFreeFree
Rating4.5 (284 ratings)5.0 (2 ratings) — better
Positive reviews91.7% of reviews—
Number of ratings284 — better2
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size11 MB43 MB
Age rating4+4+
DeveloperSandratra Razafindralambophannafest llc

Customer experience

Practice Lock Combo

All ratings265 ratings
Positive85.3%
Neutral7.9%
Negative6.8%
Written reviews12 reviews
Positive91.7%
Neutral0.0%
Negative8.3%

Locker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Practice Lock Combo

Subscriptions2
  • VaultX Pro (Monthly)$3.991 Month
  • VaultX Pro (Annual)$14.991 Year
One-time4
  • Starter Upgrade$1.99
  • Discounted Upgrade$2.99
  • Pro Upgrade$3.99
Show 1 more
  • VaultX Pro (Lifetime)$24.99
None

Locker

No in-app purchases

Questions

Is Practice Lock Combo free?
Practice Lock Combo is free to download, with in-app purchases available.
Is Locker free?
Locker is free to download, with no in-app purchases.
Which has better reviews, Practice Lock Combo or Locker?
Locker is rated higher. Practice Lock Combo averages 4.5 out of 5 from 284 ratings, while Locker averages 5.0 from 2 ratings.
Do Practice Lock Combo or Locker have ads?
Neither Practice Lock Combo nor Locker shows ads.
Which is updated more often, Practice Lock Combo or Locker?
Practice Lock Combo ships an update fortnightly, and Locker every 3 weeks. Most recently, Practice Lock Combo was updated on October 20, 2026 and Locker on October 13, 2026.

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